Presiding:   Garry McDonald, Chair Education

Abstracts:   To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to Chair: gmcdonal@uark.edu

8:00     Putting the Meta in Metasequoia: Horticulture for a Virtual Environment. Lucy K. Bradley¹*, Laura Barth¹, Christine Bradish¹, Susan Caldwell², Lauren Campbell², Matthew Ross², and Matthew Thomas², ¹NC State University Department of Horticultural Science, Box 7609, Raleigh, NC 27695, ²Longwood Gardens Department of Continuing Education, 1001 Longwood Rd., Kennett Square, PA 19348 (Lucy_Bradley@ncsu.edu)

8:15   What does trace data tell us about student’ self-regulated learning ability? Dan Ye¹, Bodie Pennisi²*, and Lloyd Rieber³, ¹Michigan Tech University, William G. Jackson Center for Teaching and Learning, Houghton, MI, 49931, ²Department of Horticulture, University of Georgia Griffin-Campus, Griffin, GA 30223, ³College of Education, University of Georgia-Athens, Athens, GA 30602, (bpennisi@uga.edu)

Presiding:     Edgar Vinson, Chair

Abstracts:     To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to Chair:  vinsoed@auburn.edu

8:00   ‘Indulgence’ and ‘Dazzle’ Wine Grapes for the Mid-South.  John R. Clark*, Renee Threlfall, and Margaret Worthington, Depts. of Horticulture and Food Science, 316 Plant Science, University of Arkansas, Fayetteville, AR 72701.  (jrclark@uark.edu)

8:15   Wine Production of ‘Indulgence’ and ‘Dazzle’ Wine Grapes for the Mid-South. Renee T. Threlfall¹*, John R. Clark², and Margaret L. Worthington², ¹2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704, ²316 Plant Science, Horticulture Department, University of Arkansas, Fayetteville, AR 72701.  (rthrelf@uark.edu)

8:30   Planting Date Influence on Strawberry Variety Yield and Revenues in Texas.  Russell W. Wallace¹*, Peter A. Ampim², D. Thayne Montague³, Dale Rankin⁴, and Larry Stein⁵, ¹Department of Horticultural Sciences, Texas A&M AgriLife Extension, 1102 E. Drew St., Lubbock, 79403, ²Cooperative Agriculture Research Center, MS 2008, CARC Building, Prairie View A&M University, Prairie View, 77446, ³Departent of Plant & Soil Sciences, Texas Tech University and Texas A&M AgriLife Research, Lubbock, 79409, ⁴Texas A&M AgriLife Extension, Atascosa County, 25 E. 5^th St., Leming, and ⁵Department of Horticultural Sciences, Texas A&M AgriLife Extension, 1619 Garner Field Rd., Uvalde.  (rwwallace@ag.tamu.edu)

8:45   Performance of Geneva and Vineland Apple Rootstocks in South Carolina.  Gregory L. Reighard* and David Ouellette. Department of Plant & Environmental Sciences, Clemson University, Clemson, SC  29634-0310.  (grghrd@clemson.edu)

9:00   Fall Row Cover Use and Planting Date Impacts on Crown Size and Yield of Five Strawberry Cultivars.  Amanda McWhirt*, Lizzy Herrera and Sarah Cato, 2301 S. University Ave., Department of Horticulture, University of Arkansas System Division of Agriculture, Little Rock, AR 72204.  (amcwhirt@uada.edu)

9:15   Assessment of intraspecific compatibility among Passiflora incarnata genotypes from different provenances.  Eric T. Stafne*, Coastal Research and Extension Center, Mississippi State University, Poplarville, MS 39470.  (eric.stafne@msstate.edu).

9:30   Break

9:45   Response of Seedling Blackberries Treated with Preemergent Herbicides.  Kayla Knepp¹*, Matthew B. Bertucci¹, Amanda L. Mcwhirt², Nilda R. Burgos³, Aaron J. Cato², Drew E. Kirkpatrick¹, and Rachel C. Woody-Pumford¹, ¹316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, ²2301 S. University, Department of Horticulture, University of Arkansas Cooperative Extension Service, Little Rock, AR 72204, ³1354 W Altheimer Drive, Department of Crop, Soil, and Environmental Sciences, University of  Arkansas, Fayetteville, AR 72704.  (kknepp@uark.edu)

10:00 Influence of Light Level on Leaf Gas Exchange and Fruit Production of Two Strawberry (Fragaria × ananassa) Cultivars Grown in Texas.  D. Thayne Montague^1,2*, Russell W. Wallace², Peter A. Ampim³, Dale Rankin⁴, and Larry Stein⁵, ¹Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, ²Texas A&M AgriLife Research and Extension Center, Lubbock, TX 79403, ³Cooperative Agriculture Research Center, Prairie View A&M University, Prairie View, TX 77446, ⁴Texas A&M AgriLife Extension, Atascosa County, Leming, TX 78050, ⁵Department of Horticultural Sciences, Texas A&M AgriLife Extension, Uvalde, TX 78801.  (thayne.montague@ttu.edu)

10:15 Evaluation of New Grape Cultivars in Texas.  Justin J. Scheiner* and Fran Pontasch, Department of Horticultural Sciences, Texas A&M AgriLife Extension Service, HSFB, 2134 TAMU, College Station, TX 77843.  (jscheiner@tamu.edu)

10:30 A public-private partnership to uncover genetic treasures in Rubus.  Katie Sheehan-Lust* and Gina Fernandez, Department of Horticultural Science, 260 Kilgore Hall, Campus Box 7609, Raleigh, NC  27695-7609.  (kesheeha@ncsu.edu)

10:45 Effect of Planting Distance on Yield and Fruit Quality of PD Resistant Predominantly Vitis vinifera Grapevine.  Elina Coneva*, E.L. Vinson, and M. Salazar-Gutierrez, Department of Horticulture, Auburn University, Auburn, AL, 36849.  (edc0001@auburn.edu)

11:00 Evaluation of Size-Controlling, Pest Resistant Peach Rootstocks for Alabama  Elina Coneva, Department of Horticulture, Auburn University, Auburn, AL, 36849.  (edc0001@auburn.edu)

Presiding:   Michelle McHargue, Chair

Abstracts:   To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to Chair: (michelle.mchargue@lambweston.com)

8:00   Call to Order and Announcements

8:15   Optimizing Deployment of a Novel Wireworm Pheromone in Sweetpotato Agroecosystems.  Anders S. Huseth*¹, Emma Schoeppner¹, Alyssa M. Pellegrino¹, Livy Williams III², Jocelyn G. Millar³, Seth J. Dorman⁴, Helene Doughty⁵, and Tom Kuhar^{6  1}Department of Entomology and Plant Pathology, North Carolina State University; Campus Box 7630, Raleigh, NC, 27695, ²USDA-ARS U.S. Vegetable Laboratory; 2700 Savannah Highway, Charleston, SC, 29414, ³University of California, Riverside, Department of Entomology, 3401 Watkins Dr., Riverside, CA, 92521, ⁴USDA-ARS, Forage Seed and Cereal Research Unit, Corvallis, OR, USA, ⁵Department of Entomology, Virginia Tech, Painter, VA 23420, ⁶ Department of Entomology, Virginia Tech, Blacksburg, VA 24061

8:30   Utilizing Plant Hormones as Herbicide Safeners in Sweetpotato.  Matthew Cutulle* and Giovannia Caputo, Department of Plant and Environmental Sciences, Clemson University, 2700 Savannah Hwy Charleston, SC 29414

8:45   How Much Are We Under-Estimating the Effects of Sweetpotato Viruses on Yield in the U.S.?    C. A. Clark*, C. D. DeRobertis, and J. A. Davi,  ¹Department of Plant Pathology and Crop Physiology, Louisiana State University Agricultural Center, Baton Rouge, LA 70803 and ²Department of Entomology, Louisiana State University Agricultural Center, Baton Rouge, LA 70803

9:00   Integrated Nematode Management: a Louisiana Perspective.  Tristan Watson* and J.S. Rezende, Department of Plant Pathology and Crop Physiology, LSU AgCenter, Baton Rouge, LA 70803

9:15   Integrating Winter Cover Crops and Weed-suppressive Sweetpotato Cultivars for Weed Management.  Isabel S. Werle*¹, Matheus M. Noguera¹, Srikanth K. Karaikal¹, Gustavo B. de Lima¹, Te-Ming Tseng², and Nilda Roma-Burgos^{1  1} Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72704, ² Department of Plant and Soil Sciences, Mississippi State University, Starkville, MS 39759

9:30   Morning Break

9:45   Resistance to Wireworm / Diabrotica / Systena Among Sweetpotato Cultivars and Advanced Lines.  T. J. Douglas*¹, Stephen L. Meyers², Ashli Brown³, Blake Layton³ and Fred Musser^{3  1}Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS 39762. Currently at Auburn University, ²Pontotoc Ridge-Flatwoods Branch Experiment Station, Mississippi State University, Pontotoc, MS 38863. Currently at Purdue University, ³Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS 39762

10:00 Sweetpotato Response to Reduced Rates of Dicamba.  Lorin M. Harvey*, Mark W. Shankle, and Callie J. Morris, Pontotoc Ridge-Flatwoods Branch Experiment Station, Mississippi State University, Pontotoc, MS 38863

10:15 Production of Green-engineered Silver Nanoparticles Against the Root-knot Nematode Meloidogyne incognita, and the Evaluation of Their Nematicidal Activity in Sweetpotato.  Gregory C. Bernard*, Naresh Shahi², Byungjin Min², Marceline Egnin, Ivi Mitchell, Andrea Lockett, Inocent Ritte, Osa Idehen, Adrianne Brown, and Conrad Bonsi, Department of Agriculture, Department of Nutrition Science²  Tuskegee University, 1200 W. Montgomery Rd. Tuskegee, AL 36088

10:30 Effect of Flumioxazin and S-metolachlor on Covington sweetpotato planted vertically or horizontally.  Keith D. Starke*¹, Levi D. Moore², Colton D. Blankenship², Katherine M. Jennings², David W. Monks², Jonathan Schultheis^{2  1}Central Crops Research Station, North Carolina State University, Clayton, NC 27520, ²Horticultural Science Department, North Carolina State University, Raleigh, NC 27695

10:45 Are We Staying Clean? Detection of Sweetpotato Viruses on Multiple Seed Generations in North Carolina.  Christie Almeyda*¹, Tamara Abernethy¹, Chunying Li¹, Ken Pecota² and Craig Yencho^{2  1}Micropropagation and Repository Unit, Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27607, ²Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695

11:00 Development of an IPM Program for the Sweet Potato Weevil, Cylas formicarius in Puerto Rico   Martha Giraldo*¹ and Wanda  I.  Almodóvar^{2  1}Department of Agroenvironmental Sciences, University of Puerto Rico  at  Mayaguez Campus, Agricultural Experimental Station (AES) at Rio Piedras, San Juan,  ²Department of Agroenvironmental Sciences, University of  Puerto  Rico,  Mayaguez  Campus,  Agricultural Extension Service at Mayaguez

11:15 Evaluating Electrical and Mechanical Methods for Palmer Amaranth (Amaranthus palmeri) Control in Sweetpotato  Levi D. Moore*¹, Katherine M. Jennings¹, David W. Monks¹, Michael D. Boyette², Ramon G. Leon³, David L. Jordan³, Stephen J. Ippolito¹, Colton D. Blankenship¹, and FNU Chitra^{1  1}2721 Founders Drive, Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695, ²3100 Faucette Dr., Department of Biological and Agricultural Engineering, North Carolina State University, Raleigh, NC 27695, ³101 Derieux Pl, Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC 27695

11:30 Evaluating Sweet Potato Varieties for Their Allelopathic Effects on Growth of Different Weed Species under Field Conditions.  Varsha Singh*¹, Isabel Werle², Mark W. Shankle³, Stephen L. Meyers⁴, and Te-Ming Tseng^{1  1}Mississippi State University, Starkville, MS 39762, ²University of Arkansas, Fayetteville, AR 72701, ³Mississippi State University, Pontotoc, MS 38863, ⁴Purdue University, West Lafayette IN, 47907

11:45 Investigating the Use of Biologicals and Re-curing for the Management of Rhizopus Soft Rot on Sweetpotato Roots.  Waana Kaluwasha* and Christopher Clark, Department of Plant Pathology and Crop Physiology, Louisiana State University, Baton Rouge, LA 70801

12:00 QTL analysis of the ‘Tanzania’ x ‘Beauregard’ Sweetpotato Mapping Population for Resistance to Meloidogyne enterolobii.  Simon Fraher*¹, Tanner Schwarz², Bonny Oloka³, Ken Pecota¹, Chris Heim¹, Adrienne Gorny², and G. Craig Yencho^{1  1}Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695, ²Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695, ³Root Crops Program, National Agricultural Research Organization, Entebbe, Uganda

12:15 Effect of Preemergence Herbicides in Covington Sweetpotato.  Stephen Ippolito*¹, Katherine M. Jennings¹, David W. Monks¹, Sushila Chaudhari², David L. Jordan³, ¹ Department of Horticultural Science, North Carolina State University, Raleigh, NC, USA, ² Department of Horticulture, Plant and Soil Science, Michigan State University, East Lansing, MI, USA, ³ Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC, USA

12:30    Lunch

1:45      Discussion

2:30      Business Meeting and Awards

5:00      Adjourn

Presiding:   Elizabeth Clippard, ACB-President, Moderator

Amy Wright, SRASHS President,
Courtesy Welcome to Undergrads

Jeb Fields, Section Chair & Judging Coordinator

Abstracts:    To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to Chair: JFields@agcenter.lsu.edu

1. Carbohydrate Budget of Pecan Trees during 2021 Fruiting Season. Wendy Gong*, Srijana Panta and Lu Zhang. Department of Horticulture & Landscape Architecture, Oklahoma State University, Stillwater, OK 74078. (luzhang@okstate.edu)
2. Carbohydrate content of rhizomes as potential indicator of sod tensile strength in Cynodon spp. Abigail Hobbs*, Charles Fontanier, Niels Maness, and Shehbaz Singh, Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK 74078-6027. (abigail.hobbs@okstate.edu)
3. Cut Flower Carnation Photoluminescence. Abby Pace¹*, Bruce L. Dunn¹, Charles Fontanier¹, Carla Goad², and Hardeep Singh³¹, 358 Ag Hall, Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK 74078, ²301F MSCS Bldg., Department of Statistics, Oklahoma State University, Stillwater, OK 74078, ³2002 Throckmorton Plant Science Center, Kansas State University, Manhattan, KS 66506 (dunn@okstate.edu)
4. Discovery of Natural Agents for the Control of Ball Moss (Tillandsia recurvate) on Ornamental Landscape Plants. Brianna Slade*, Heather Kirk-Ballard and Zhijun Liu, School of Plant, Environmental and Soil Sciences, Louisiana State University, Baton Rouge, LA. 70803. (bslade1@lsu.edu).
5. Effects of Nitrogen, Potassium, and Musketeer® Turf Growth Regulator on Dollar Spot Disease Severity of Creeping Bentgrass. Ashton Franks* and Charles Fontanier. Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK 74078-6027. (ashton.franks@okstate.edu)
6. Effects of Paper and Plastic Mulch on Tomato and Okra Production. Izzy Gonzales¹*, Bizhen Hu², Lynn Brandenberger², Matthew Beartrack², and Charles Fontanier²_, ¹Department of Environmental Science, Oklahoma State University, Stillwater, OK 74078, ²Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK 74078. (bizhen.hu@okstate.edu)
7. Effects of Trellising Systems on Spotted-Wing Drosophila in Blackberries in Arkansas. Mataya Duncan ¹*, Sarah Cato ², Lizzy Herrera ², Aaron Cato ², and Amanda McWhirt ², ¹ Department of Biology, University of Arkansas at Little Rock, 2801 S. University Ave., Little Rock, AR 72204, ² Department of Horticulture, University of Arkansas Cooperative Extension Service, 2301 S. University Ave., Little Rock, AR 72204. (msduncan@ualr.edu)
8. Influence of Flue Gas Desulfurization Gypsum on Phosphorus Loss in Pine Bark Substrates. Landon Erbrick¹*, Paul Bartley¹, Dexter Watts², and Allen Torbert², ¹101 Funchess Hall, Department of Horticulture, Auburn University, AL 36849. ²USDA-ARS National Soil Dynamics Laboratory, Auburn, AL 36832. (pcb0004@auburn.edu)
9. Quality and Yield Responses of Louisiana Tea to Nitrogen Fertilizer Treatments. Harrison Steudlein^1*, Yan Chen¹, Zhijun Liu², and Lisa Fultz. ¹School of Plant, Environmental and Soil Sciences, Louisiana State University, ²School of Renewable Natural Resources. Baton Rouge, LA 70803. ¹ (yachen@agcenter.lsu.edu)
10. Scalable Extraction and Purification of an Anti-Cancer Drug Precursor from Oklahoma Eastern Red Cedar. Gwen Reilly*^1, Niels Maness², John Nickel², and Katie Stenmark², ¹Department of Nutritional Sciences, ²Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK 74078. (greilly@okstate.edu)
11. School gardens: why they are important, who benefits, and how they can be supported. Shelley Mitchell and Genny Harris*, OSU Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, Oklahoma 74078. (mitchell@okstate.edu)
12. Tea Leaf Chemical Composition Altered by Temporary Shade in Louisiana. Javen Little^1*, Yan Chen¹, Harrison Steudlein¹, Zhijun Liu², and Lisa Fultz¹.¹School of Plant, Environmental and Soil Sciences, Louisiana State University, ²School of Renewable Natural Resources, 227 Renewable Natural Resources Bldg. Baton Rouge, LA 70803. (yachen@agcenter.lsu.edu)
13. Using Iron and Sulfur to Correct Iron Deficiency in Potted Petunias. Alexandria Thompson* and Bruce L. Dunn. 358 Ag Hall, Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater OK, 74078 (bruce.dunn@okstate.edu)

Presiding:   Amanda McWhirt, Chair

Abstracts:   To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to Chair: amcwhirt@uada.edu

8:30   Expanding Training Opportunities for Therapeutic Horticulture with Online Learning: A Partnership between North Carolina Botanical Garden and NC State Extension Gardener. Sally Haskett¹  Christine Bradish²*, Alta Zhang³, Emilee Weaver⁴, Joanna Massey Lelekacs¹, and Lucy Bradley², ¹North Carolina Botanical Garden, University of North Carolina at Chapel Hill, ²Department of Horticultural Science, North Carolina State University, ³Extension Information Technology, North Carolina State University, ⁴NC Central Regional State Psychiatric Hospital.  (cmbradis@ncsu.edu)

8:45   Establishing the Arkansas Quality Wine Program. Renee T. Threlfall¹*, Amanda J. Fleming¹, and Amanda L. McWhirt², ¹2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704, ²2301 S. University Ave., Cooperative Extension Service, University of Arkansas, Little Rock, AR 72204. (rthrelf@uark.edu)

9:00   A Nationwide Survey of Grower Extension Needs Associated with Soilless Substrate Adoption. Alexa J. Lamm¹, Kristin E. Gibson¹*, Kevan. W. Lamm¹, Jeb S. Fields², and James Owen³, ¹132 Four Towers, Department of Agricultural Leadership, Education and Communication, University of Georgia, Athens, GA 30602, ²21549 Old Covington Highway, Hammond Research Station, Louisiana State University, Hammond, LA 70403, ³1680 Madison Ave., Agricultural Engineering Building, USDA ARS, Wooster, OH 44691. (alamm@uga.edu)

9:15   Informed Decision-making or Guesswork? Examining How Residents Adjust Their Irrigation Based on Local Rainfall. Colby Silvert¹*, Cody Gusto¹, John Diaz¹, Laura Warner¹, and Robin Grantham², ¹Department of Agricultural Education & Communication, University of Florida, 305 Rolfs Hall, PO Box 110540, Gainesville, FL 32611-0690, ²Southwest Florida Water Management District, 2379 Broad Street, Brooksville, FL 34604. (colby.silvert@ufl.edu)

9:30   Integrated Extension Approaches to Support Small-Scale Hops Production in Arkansas. Lizzy Herrera ¹*, Amanda McWhirt¹, Renee Threlfall², Aaron Cato¹, Sarah Cato¹, and James McClellan³,  ¹2301 S. University Ave, Department of Horticulture, University of Arkansas System Division of Agriculture, Little Rock, AR 72204, ²2435 N. Hatch Ave., Department of Food Science, University of Arkansas System Division of Agriculture, Fayetteville, AR 72704, ³1749 State Hwy 818, Arkansas Agricultural Experiment Station Fruit Research Station, Clarksville, AR 72830. (lherrera@uada.edu)

9:45   Helping Small Farmers Transition to Federal Hemp Regulations. Sanjun Gu* and Randy Fulk, Cooperative Extension, North Carolina A&T State University, Greensboro, NC 27411. (sgu@ncat.edu)

10:00 Break

10:15 A Conversation with Growers: Exploring Soilless Substrate Adoption to Inform Extension Program Development. Alexa J. Lamm¹*, Kevan. W. Lamm¹, Kristin E. Gibson¹, Jeb S. Fields², and James Owen³, ¹132 Four Towers, Department of Agricultural Leadership, Education and Communication, University of Georgia, Athens, GA 30602, ²21549 Old Covington Highway, Hammond Research Station, Louisiana State University, Hammond, LA 70403, ³1680 Madison Ave., Agricultural Engineering Building, USDA ARS, Wooster, OH 44691. (alamm@uga.edu)

10:30 A Perspective on Tweeting. Eric T. Stafne*, Coastal Research and Extension Center, Mississippi State University, Poplarville, MS 39470. (eric.stafne@msstate.edu)

10:45 Assessing the Effectiveness of Webinars for Training Growers & Cooperative Extension Agents in Small Fruit Production. Sarah Cato¹, Amanda McWhirt ^1*, Lizzy Herrera¹, Aaron Cato¹ and Mary Poling², ¹2301 S. University Ave., Department of Horticulture, University of Arkansas System Divisions of Agriculture, Cooperative Extension Service, Little Rock, AR 72204, ²2301 S. University Ave., Department of Information Technology, University of Arkansas System Division of Agriculture Cooperative Extension Service, Little Rock, AR 72204. (amcwhirt@uada.edu)

11:00 NC A&T Plasticulture Publications and Resources for Small Farmers. Randy Fulk* and Sanjun Gu, Cooperative Extension at North Carolina Agricultural and Technical State University, Greensboro, NC 27419. (rafulk@ncat.edu)

11:15 “I Want to Be a Contributor”: Perceptions, Barriers, and Strategies Surrounding Residential Pollinator Gardening. Cody Gusto¹*, Colby Silvert¹, John Diaz¹, Laura A. Warner¹, and Rachel Mallinger², ¹Department of Agricultural Education & Communication, 411 Rolfs Hall, 341 Buckman Dr., University of Florida, Gainesville, FL 32611-0690, ²Entomology and Nematology Department, University of Florida, Steinmetz Hall, 1881 Natural Area Dr., Gainesville, FL 32611-0690. (cgusto@ufl.edu)

11:30 Industry Certification Post-Pandemic. Bodie Pennisi¹* and Greg Huber², ¹Department of Horticulture, University of Georgia Griffin-Campus, Griffin, GA 30223, ²Center for Urban Agriculture, University of Georgia Griffin-Campus, Griffin, GA 30223. (bpennisi@uga.edu)

11:45 Utilizing Statewide Cooperative Extension Agent Demonstrations to Enhance Specialty Crop Recommendations. Aaron Cato* and Amanda McWhirt, 2301 S. University Ave., Department of Horticulture, University of Arkansas System Division of Agriculture, :Little Rock, AR 72204. (acato@uada.edu)

12:00 How Alabama Extension Commercial Horticulture Program Team utilized social media and evaluation metrics for virtual event planning during and post- COVID-19 pandemic.  Ayanava Majumdar¹*, Ann Chambliss¹, Harli Willis¹, Edward Sikora¹, Katelyn Kesheimer¹, Jeremy Pickens², Edgar Vinson³, Elina Coneva⁴, Joe Kemble⁴, Andre da Silva⁴, David Han⁵, Rishi Prasad⁵, Audrey Gamble⁵, Steve Li⁵, Adam Rabinowitz⁶, Jim Jacobi⁷, Kassie Conner⁸, Sonja Thomas⁹, and Matt Ulmer¹⁰, ¹Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, 36849, ²Ornamental Horticulture Research Center, PO Box 8276, Mobile, AL 36689, ³Chilton Regional Research and Extension Center, 120 County Road 756, Clanton, AL 35045, ⁴Department of Horticulture, Auburn University, Auburn, AL 36849, ⁵Department of Crop, Soil, and Environmental Sciences, Auburn University, Auburn, AL 36849, ⁶Department of Agricultural Economics and Rural Sociology, Auburn University, Auburn, AL 36849, ⁷C. Beaty Hanna Horticulture and Environmental Center, 2612 Lane Park Road Birmingham, AL 35223, ⁸Plant Diagnostic Center, 143 ALFA Building, Auburn University, Auburn, AL 36849, ⁹245 E Duncan Hall, Auburn University, Auburn, AL 36849, ¹⁰105 Duncan Hall, Auburn University, Auburn, AL 36849.  (azm0024@auburn.edu)

12:15 Lunch Break

1:00   Strategic Planning for Georgia’s Extension Master Gardener Program: Environmental Attitudes as a Measure of Commitment Among Generations. Sheri Dorn¹*, Paul Pugliese², Joel Burnsed³, Timothy Daly⁴, Cynthia McCrary⁵, and Kathy Hensley⁶, ¹1109 Experiment Street, Department of Horticulture, University of Georgia, Griffin, GA 30223, ²University of Georgia Extension, Bartow County, 320 West Cherokee Avenue Room 112 Cartersville, GA 30120-3059, ³University of Georgia Extension, Walton County, 100 North Broad St. Monroe, GA 30655, ⁴University of Georgia Extension, Gwinnett County, 750 South Perry Street, Suite 400 Lawrenceville, GA 30046-4804, ⁵University of Georgia Extension, Fayette County, 140 Stonewall Avenue W Suite 209 Fayetteville, GA 30214-1520, ⁶University of Georgia Extension, Bibb County, 145 First Street Macon, GA 31201-2627. (sdorn@uga.edu)

1:15   Horticulture CSI: Long Beach Radish Case Closed. Gary R. Bachman¹*, Christine E.H. Coker¹ and Patricia R. Knight², ¹Coastal Research and Extension Center, Mississippi State University, 1815 Popps Ferry Road, Biloxi, MS 38532, ²Coastal Horticulture Research, South Mississippi Branch Station, Poplarville, MS (gary.bachman@msstate.edu)

1:30   Extension Gardener Plant Toolbox: Reaching Wider Audiences through National Partnerships.  Lucy K. Bradley¹*, Kathleen A. Moore¹, Matthew P. Ross², Andy Pulte³, Grant L. Thompson⁴, Ryan Contreras⁵, Laura Barth¹, and Lis Meyer¹, ¹Department of Horticulture, North Carolina State University, 2721 Founders Dr., Raleigh, NC 27695, ²Longwood Gardens 1001 Longwood Rd., Kennett Square, PA 19348, ³Department of Plant Science, University of Tennessee Institute of Agriculture, 2505 E J Chapman Dr., Knoxville, TN 37996, ⁴ Department of Horticulture, Iowa State University, 137 Horticulture Hall, Ames, IA 50011, ⁵ Agriculture & Life Sciences, Oregon State University, 4017 Agriculture & Life Sciences, Corvallis, OR 97331. (lucy_bradley@ncsu.edu)

1:45   Multi-state Extension Publication Series Highlights the Benefits of Consumer Horticulture to Society and Provides Basis for Further Education Efforts. Heather Kirk-Ballard¹*, Natalie R. Bumgarner², Ellen M. Bauske³, Pam J. Bennett⁴, David D. Close⁵, Sheri Dorn³, Richard E. Durham⁶, Carl I. Evensen⁷, Terri James⁸, Jeff S. Keuhny¹, Bodie Pennisi³, Robert F. Polomski⁹, Kerry Smith¹⁰, and Katie Walberg², ¹School of Plant, Environmental, and Soil Sciences, Louisiana State University, Baton Rouge, LA 70803, ²Plant Sciences Department, University of Tennessee, Knoxville, TN 37996, ³Department of Horticulture, University of Georgia, Griffin, GA 30223, ⁴The Ohio State University, Springfield, OH  45505, ⁵School of Plant & Environmental Sciences, Virginia Tech University, Blacksburg, VA  24061, ⁶Department of Horticulture, University of Kentucky, Lexington, KY  40546, ⁷Department of Natural Resources and Environmental Management, University of Hawai’i at Manoa, Honolulu, HI 96822, ⁸Department of Agronomy & Horticulture, University of Nebraska-Lincoln, Lincoln, NE 68583, ⁹Department of Plant and Environmental Sciences, Clemson University, Clemson, SC  29634, ¹⁰Alabama Cooperative Extension System, Auburn University, Auburn University, AL 36849. (hkirkballard@agcenter.lsu.edu)

2:00   County Fair Grounds as Food Innovation Hubs in Arkansas Despite the Pandemic. Amanda Philyaw Perez¹*, Renee Threlfall², Ruben Morawicki², Angela Gardner¹, and Mallory Eggleton¹, ¹2301 S. University Ave, Department of Horticulture, University of Arkansas Cooperative Extension Service, Little Rock, AR 72204, 22650 Young Ave., ²Department of Food Science, University of Arkansas Division of Agriculture, Fayetteville, AR, 72704. (aperez@uada.edu)

2:15   Creating a Campus-wide Student Community Garden. Kathryn K. Fontenot* and Edward W. Bush, School of Plant, Environmental, and Soil Sciences, LSU AgCenter, Baton Rouge, LA 70803. (kkfontenot@agcenter.lsu.edu)

2:30   Commercial Nursery Hurricane Guide. Tom Yeager¹* and Michael Gavazzi², ¹Department of Environmental Horticulture, University of Florida, IFAS, Gainesville, FL 32611, ² USDA Forest Service, Southern Research Station, Southeast Climate Hub, Research Triangle Park, NC 27709. (yeagert@ufl.edu)

2:45   Extension Gardener: Horticulture Training Made Easy through an Online Customizable Tool.  Lucy K. Bradley*, and Kathleen A. Moore, Department of Horticulture, North Carolina State University, 2721 Founders Dr., Raleigh, NC 27695. (lucy_bradley@ncsu.edu)

3:00   Break

3:15   Hammond Trials: A Trial Garden’s Perspective on Virtual Extension. Jeb S. Fields*, Ashley Edwards, Maureen Thiessen, and Jason Stagg, Hammond Research Station, Louisiana State University Agricultural Center, Hammond, LA 70403. (JSFields@agcenter.lsu.edu)

3:30   Changes in Consumer Purchasing Behavior of Fresh Fruits and Vegetables During the COVID-19 Pandemic. Lauri M. Baker¹*, Hikaru H. Peterson², and Cheryl R. Boyer³, ¹1408 Sabal Palm Drive, Level 2, Department of Agricultural Education and Communication, University of Florida, Gainesville, FL 32611, ²1994 Buford Ave., Department of Applied Economics, University of Minnesota, St. Paul, MN 55108, ³1712 Claflin Rd., Department of Horticulture and Natural Resources, Kansas State University, Manhattan, KS 66506. (lauri.m.baker@ufl.edu).

3:45   Farm to School Directly Benefits Local and Regional Food Systems. Carl Motsenbocker*, Crystal Besse, Denyse Cummins, Jacey Wesley, and Alessandro Holzapfel, School of Plant, Environmental and Soil Sciences, LSU AgCenter, Baton Rouge, LA 70803. (cmotsenbocker@agcenter.lsu.edu)

4:00   Small On-Farm Sweetpotato (Ipomoea batatas) Slip Production for Early Field Planting and Yield Increase in Missouri. Ramón Arancibia*, Juan Cabrera-Garcia, and Patrick Byers, University of Missouri Extension, Columbia, MO. (raa522@missouri.edu)

4:15   K-State Garden Hour Webinar Series Facilitated Behavior Change and Improved Quality of Life During the COVID-19 Pandemic. Cheryl R. Boyer¹* and Matthew McKernan², ¹1712 Claflin Rd., Department of Horticulture and Natural Resources, Kansas State University, Manhattan, KS 66506, ²7001 W. 21^st St. N., K-State Research and Extension Sedgwick County, Wichita, KS 67205. (crboyer@k-state.edu)

4:30   Twenty Years of the LSU AgCenter’s Get It Growing Extension Program – Teaching Louisiana about Gardening through Multi-Media.  Heather Kirk-Ballard*, School of Plant, Environmental, and Soil Sciences, Louisiana State University, Baton Rouge, LA 70803. (hkirkballard@agcenter.lsu.edu)

4:45   Educating Inmates in Horticulture for Post-Release Employment Opportunities. Jeff C. Wilson¹*, T. Casey Barickman¹, and Scott Cagle ², ¹Mississippi State University, North Mississippi Research & Extension Center, Verona, MS 38879, ²Mississippi State University, Former Chickasaw County Extension Agent, Houston, MS 38851.(jeff.wilson@msstate.edu)

Presiding:   Matt Chappell, Chair

Abstracts:   To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to Chair: chappell@vt.edu

1. A public-private partnership to uncover genetic treasures in  Katelyn Sheehan-Lust¹*, Gina Fernandez¹, Hamid Ashrafi¹, Cherie Oschenfeld², Abraham Corrales³, Margaret Worthington­⁴, Erika Henderson⁴, Courtney Weber⁵, Jill Bushakra⁶ and Michael Dossett⁷. ¹ Department of Horticultural Science, NCSU Raleigh NC, ² Pairwise, Durham, NC, ³ Plant Sciences Inc., Watsonville, CA, ⁴ Department of Horticulture, University of Arkansas Fayetteville, AR, ⁵ Department of Horticulture, Cornell University Ithaca, NY, ⁶ USDA, Corvallis, OR, ⁷ BC Berry Cultivars, Agassiz, British Colombia, Canada. (kesheeha@ncsu.edu)
2. Alleviating dormancy: The effect of temperature, gibberellic acid, and cool-moist stratification on select carex species. Godwin Shokoya^*, Dr. Charles Fontanier, Dr. Bruce Dunn and Dr. Dennis Martin. Department of Horticulture, Oklahoma State University, Stillwater, Oklahoma, OK 74078. (shokoya@okstate.edu)
3. An overview: Current state of knowledge of Cannabis sativa propagation by cuttings. Samuel des Bordes^*, Babitha Jampala, Heather Kirk-Ballard, Kathryn Fontenot and Gerald Myers. School of Plant, Environmental and Soil Sciences, Louisiana State University, Baton Rouge, LA 70803. (sdesbo1@lsu.edu)
4. Delayed pruning as a tool to prevent frost damage on grapevines in the Southeast Region (Vitis vinifera). Jack Bobo¹, Shane Breeden¹, Savithri Nambeesan¹, Mark Hoffman², Cain Hickey³ and Leonardo Lombardini¹. ¹ Department of Horticulture, University of Georgia, Athens, GA 30606, ² Department of Horticulture, North Carolina State University, Raleigh, NC 27607, ³ Department of Plant Science, Penn State University, University Park, PA 16802. (jbobo@uga.edu)
5. Effect of different colored shade nets on quality and production of ornamental plants. Harpreet Singh^* and Bruce L. Dunn. Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK 74075. (singh11@okstate.edu)
6. Determining quality, volatile, and aroma sensory attributes of Arkansas-grown hops. Jordan P. Chenier^1*, James O. McClelan¹, Renee T. Threlfall¹, Amanda L. McWhirt², Aaron Cato², Luke R. Howard¹ and Cindi R. Brownmiller¹. ¹ 2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704, ² 2301 S. University Ave., Cooperative Extension Service, University of Arkansas, Little Rock, AR 72204. (jchenier@uark.edu)
7. Effects of pumpkin spacing on fruit yield, size, and uniformity.  Kim Heagy^*1, Travis Birdsell²and Jonathan Schultheis¹. ¹ Raleigh, NC, Department of Horticultural Science, NC State University, ² Jefferson, NC, Ashe County Center, North Carolina Cooperative Extension Service. (kkheagy@nscu.edu)
8. Evaluating effects of chemical pinching during early vegetative stages on ‘Sunfinity’ sunflower for potted plant production. Mason Marshall^*1, Terri Starman¹, H. Brent Pemberton² and Calvin Trostle³. ¹ Department of Horticultural Sciences, Texas A&M University, College Station, TX, ² Texas A&M AgriLife Research, Texas A&M AgriLife Research and Extension Center, Overton, TX, ³ Texas A&M AgriLife Research and Extension, Lubbock, TX, USA. (masonmarshall@tamu.edu)
9. Evaluation of shipping potential on marketability of North Carolina-grown muscadine grapes.  Cody Rawls^1*, Renee T. Threlfall¹ and Margaret L. Worthington². ¹ 2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704, ² 316 Plant Science, Horticulture Department, University of Arkansas, Fayetteville, AR 72701. (rawls@uark.edu)
10. Evaluation of sweetpotato varieties in an organically managed system in North Carolina. Alyssa J. Woodard^1*, Jonathan Schultheis¹ and David Suchoff². ¹ Department of Horticultural Sciences, North Carolina State University, Raleigh, NC 27695, ² Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC 27695. (ajwooda2@ncsu.edu)
11. Flowering in ‘Natchez’ crepe myrtle (Lagerstroemia ×fauriei ‘Natchez’) in relation to crepe myrtle bark scale (Acanthococcus lagerstroemiae) and sooty mold (Capnodium) incidence. Beatriz Ruiz ^*, P. Alvarez, J. Parsons and Derald A. Harp. Texas A&M University-Commerce, Commerce, TX 75429. (bruiz2@leomail.tamuc.edu)
12. Genetic diversity of wild and cultivated muscadine grape (Vitis rotundifolia) Populations.Kenneth Buck^* and Margaret Worthington. 316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701. (kb013@uark.edu)
13. Harvest attributes of 3-year-old Arkansas-grown hops with different fertility rates. James O. McClellan¹*, Renee T. Threlfall¹, Amanda L. McWhirt², Aaron Cato², Luke R. Howard¹ and Cindi R. Brownmiller¹. ¹ 2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704, ² 2301 S. University Ave., Cooperative Extension Service, University of Arkansas, Little Rock, AR 72204. (jomcclel@uark.edu)
14. Heat stress responses of tomato plants grafted onto wild relative rootstocks  pennelliiand S. peruvianum.Chungkeun Lee^* and Daniel I. Leskovar. Texas A&M AgriLife Research and Extension Center, Uvalde, TX 78801. (d-leskovar@tamu.edu)
15. Higher nitrogen pre-plant rates are not associated with improved yield of June bearing strawberry in North Carolina. Amanda Lay-Walters^1*, Michelle Schroeder-Moreno², Alex Woodley² and Mark Hoffmann¹. ¹ Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695, ² Department of Crop and Soil Science, North Carolina State University, Raleigh, NC 27695. (amlay@ncsu.edu)
16. Investigating acquisitional nitrogen source preference in southern highbush blueberry. John Doyle^1*, Anish Malladi¹ and Miguel Cabrera². ¹ 1111 Plant Sciences Building, Department of Horticulture, University of Georgia, Athens, GA 30601, ² 4119 Plant Sciences Building, Department of Crop and Soil Sciences, University of Georgia, Athens, GA 30601. (doylejw@uga.edu, malladi@uga.edu)
17. Investigating optimal irrigation of Vitis vinifera ‘Roussanne’ vines grown on the Texas High Plains. Kyle Lauterbach^1*, Thayne Montague^1,2, Pierre Helwi² and Ed Hellman¹. ¹ Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, ² Texas A&M AgriLife Research and Extension Center, Lubbock, TX 79403, ³ Department of Plant and Soil Science, Texas Tech University, Fredericksburg, TX 78624. (klauterb@ttu.edu)
18. Investigation of methyl bromide replacements: Controlling soil pests through steam in combination with alternative chemicals. Emma Volk^1*, Gene Fox¹, Joe Neal¹, Steven Fennimore² and Mark Hoffmann¹. ¹ Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695, ² University of California Davis, Department of Plant Science, Salinas, CA 93905. (evolk@ncsu.edu)
19. Mutation breeding of Salvia coccinea with ethyl methanesulfonate (EMS). Rebekah Maynard* and J. Ruter, Department of Horticulture, University of Georgia, Athens, GA, 30602. (rebekah.maynard@uga.edu)
20. Primocane height manipulation on dwarf and standard blackberry plants utilizing plant growth regulators. Carmen Johns^1*, Margaret Worthington¹, Christopher Clavet² and Tom Kon². ¹ 1316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, ² North Carolina State University Department of Horticultural Sciences, Mountain Horticultural Crops Research and Extension Center, 455 Research Drive, Mills River, NC 28759. (cxj025@uark.edu)
21. Quantity demand and latent demand for local foods in local public institutions of Lee and Russell Counties, Alabama. Jesse Teel^*. Department of Horticultural Sciences, Auburn University, Auburn, AL 36830. (jct0014@auburn.edu)
22. Using Lachancea thermotolerans yeast to modify acidity in wine fermentations from Chambourcin grapes grown in Arkansas. Amanda J. Fleming^* and Renee T. Threlfall. 2650 N. Young Avenue,Department of Food Science, University of Arkansas, Fayetteville, AR 72704. (ajflemin@uark.edu)
23. Volatile and sensory aroma attributes of arkansas-grown fresh-market blackberries.Andrea L. Myers^*, Renee T. Threlfall, Luke R. Howard and Cindi R. Brownmiller. 2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704. (alm028@uark.edu)
24. Water temperature effects on basil growth in NFT hydroponic systems. Teal Hendrickson* and Bruce Dunn. 358 Ag Hall, Department of Horticulture and Landscape Architecture, Stillwater, OK 74078. (hendrickson@okstate.edu)

Presiding:   Andre DaSilva, Chair

Abstracts:   To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to Chair:  azb0207@auburn.edu

Floriculture, Ornamentals and Turf

1G) Effect of Hormone Source on Propagation of Sweet Bay Magnolia. Jenny B. Ryals¹*, Patricia R. Knight¹, Anthony T. Bowden¹, Christine E. H. Coker², Gary R. Bachman², Jim DelPrince², Scott A. Langlois¹ and Patricia R. Drackett³. ¹Coastal Research and Extension Center, Mississippi State University, Poplarville, MS 39470, ²Coastal Research and Extension Center, Mississippi State University, Biloxi, MS 39532, ³The Crosby Arboretum, Mississippi State University, Picayune, MS 39466 (j.ryals@msstate.edu)

2UG) Discovery of Natural Agents for the Control of Ball Moss (Tillandsia recurvate) on Ornamental Landscape Plants.  Brianna Slade^*, Heather Kirk-Ballard and Zhijun Liu, School of Plant, Environmental and Soil Sciences, Louisiana State University, Baton Rouge, LA. 70803. (bslade1@lsu.edu)

3) Reducing Postemergence Herbicide Spot Treatments with Preemergence Herbicides in Landscape Planting Beds S. Chris Marble¹* and Stephen F. Enloe², ¹University of Florida/IFAS Mid-Florida Research and Education Center, 2725 S. Binion Rd., Apopka, FL 32703, ²University of Florida/IFAS Center for Aquatic and Invasive Plants, 7922 NW 71 St., Gainesville, FL 32653. (marblesc@ufl.edu)

4G) Efficacy of plant growth regulator applications on ‘Sunfinity’ Sunflower Mason Marshall*¹, Terri Starman¹, H. Brent Pemberton², Calvin Trostle³, 1 Department of Horticultural Sciences, Texas A&M University,  College Station, TX, 2 Texas A&M AgriLife Research, Texas A&M AgriLife Research and Extension Center, Overton, TX, ³ Texas A&M AgriLife Research and Extension, Lubbock, TX, USA (masonmarshall@tamu.edu)

5UG) Comparison of Slow-Release Fertilizer and Long-term Composting for Performance of Cool and Warm Season Annuals. Alvarez, Phoebe*¹, Steve George², and Derald A. Harp¹. ¹Texas A&M University-Commerce, Commerce, TX 75429; ²Texas A&M AgriLife Extension Service, Dallas, TX 75080 (Derald.Harp@leomail.tamuc.edu)

6) To Pinch or not to Pinch:  Cut Flower Marigolds for Southern Growers.  Christine E.H. Coker¹*, James DelPrince1, Kathryn Fontenot², Anthony Bowden¹, Scott Langlois¹, and Patricia Knight¹, 1815 Popps Ferry Road, Coastal Research and Extension Center, Mississippi State University, Biloxi, MS 39532, 163 J. C. Miller , School of Plant, Environmental and Soil Sciences, Louisiana State University, Baton Rouge, LA 70803. (cec117@msstate.edu)

7G) Veteran Emotional Perceptions and Preferences of Landscape Design Elements. Alicia A. Thomas*, Dr. Muntazar Monsur, Dr. Carol S. Lindquist, and Dr. Catherine Simpson, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409 (alicia.thomas@ttu.edu)

8UG) Greenhouse Growth of Hosta and Salvia ‘Mystic Spires’ in Peat-Lite, Bark, Wood Fiber, and Coir Substrates. Wynne, Madison and Derald A. Harp. Texas A&M University-Commerce, Commerce, TX 75429 (Derald.Harp@leomail.tamuc.edu)

9G) How native is native? Characterization of locally adapted Carex stands in Oklahoma. Godwin Shokoya*, Charles Fontanier, Bruce Dunn, Dennis Martin., Department of Horticulture, Oklahoma State University, Stillwater, Oklahoma, OK 74078. (godwin.shokoya@okstate.edu)

10G) Life Table Construction for Crapemyrtle Bark Scale (Acanthococcus lagerstroemiae) and its Application in Evaluating the Effect of Different Plant Nutrient Conditions on Insect Performance. Runshi Xie^1,3, Bin Wu^1,3, Mengmeng Gu², and Hongmin Qin³*, ¹ Department of Horticultural Sciences, Texas A&M University, College Station, TX 77843, USA, ² Department of Horticultural Sciences, Texas A&M AgriLife Extension Service, College Station, TX 77843, ³ Department of Biology, Texas A&M University, College Station, TX 77843. (hqin@bio.tamu.edu)

11G) Vegetative and Generative Traits of Different Gladiolus Genotypes as Induced by Distinct Compounds. L. Anderson* and S. Islam Department of Agriculture/Agricultural Regulations, University of Arkansas at Pine Bluff, 148 Woodard Hall, 1200 North University Drive, Mail Slot 4913, Pine Bluff, AR 71601 (islams@uapb.edu)

Fruit Crops

12) Aronia ‘Viking’ Responds Favorably to Chill Hours. Bodie Pennisi¹*, Carol Robacker¹, and Nirmal Joshee², ¹Department of Horticulture, University of Georgia Griffin-Campus, Griffin, GA 30223, ²College of Agriculture, Family Sciences and Technology, Fort Valley State University, Fort Valley, GA 31030 (bpennisi@uga.edu)

13G) A public-private partnership to uncover genetic treasures in Rubus. Katelyn Sheehan-Lust¹, Gina Fernandez¹ and Cherie Oschenfeld². ¹Department of Horticultural Science, NCSU Raleigh NC, ²Pairwise, Durham NC. (kesheeha@ncsu.edu)

14) Assessment of MP-29 Rootstock for Potted Peach Production. Elina Coneva, Department of Horticulture, Auburn University, Auburn, AL, 36849. (Edc0001@auburn.edu)

15G) An Analysis of Factors Affecting the Rooting Ability of Hardwood Muscadine Cuttings. Kenneth Buck¹*, Margaret Worthington¹, and Patrick Conner², ¹316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, ²Department of Horticulture, University of Georgia – Tifton Campus, 2360 Rainwater Road, Tifton, GA,31793. (kb013@uark.edu)

16) Empirical evaluation of multi-trait DNA testing in an apple seedling population. Sushan Ru^1*, Craig Hardner², Katherine M. Evans³, Dorrie Main⁴, Patrick A. Carter⁵, Julia Harshman⁶, Paul Sandefur⁷, Daniel Edge-Garza² and Cameron Peace⁴, ¹Auburn University, Auburn, AL, 36849, ²Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, 4072, Australia, ³Department of Horticulture, Washington State University Tree Fruit Research & Extension Center, Wenatchee, WA 98801, USA, ⁴Department of Horticulture, Washington State University, Pullman, WA, 99164 USA, ⁵School of Biological Sciences, Washington State University, Pullman, WA, 99164, USA, ⁶Duda Farm Fresh Foods, Salinas, CA 92908, USA, ⁷FallCreek Farm and Nursery, Inc., Lowell, OR 97452, USA (szr0099@auburn.edu)

17G) Comparing Sugar Profiles in Southern Highbush, Rabbiteye, and Northern Highbush Blueberry Cultivars. Jamal Mohammed¹*, Kathleen S. Amaral¹, Renée M. Holland², Dario J. Chavez¹, and Rachel A. Itle¹. ¹Department of Horticulture, University of Georgia, UGA– Cowart Building, 210 Cowart Street, Griffin, GA 30223, ²ANR Extension, University of Georgia Extension, 203 South Dixon Street, Suite 3, Alma, GA 31510. (jm30002@uga.edu)

18G) Exploring Nanocellulose as an Active Freeze Protection Strategy in Peaches. Deanna Bigio¹, Rachel A. Itle¹, Sudhagard Mani², and Dario J. Chavez¹. ¹Department of Horticulture, University of Georgia, Griffin Campus, GA 30224. ²College of Engineering, University of Georgia, Athens, GA 30609 (dchavez@uga.edu)

19G) Determining Marketability Impacts of Fresh-market Blackberries to Develop a Soft-robotic Gripper for Harvesting. Andrea L. Myers^1*, Renee T. Threlfall1, Yue Chen², and Anthony L. Gunderman², ¹2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704. ²313 Ferst Dr., Biomedical Engineering Department, Georgia Institute of Technology/Emory, NW, Atlanta, GA 30332. (alm028@uark.edu)

20) Genetic Control of Primocane Height in Blackberry. Carmen Johns¹*, Margaret Worthington¹, Mason Chizk¹, Lacy Nelson¹, John R. Clark¹, Rishi Aryal², and Hamid Ashrafi². ¹316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, ²North Carolina State University Department of Horticultural Sciences, 234 Kilgore Hall Campus Box 7609, Raleigh, NC 27695. (cxj025@uark.edu)

21G) Winegrape Quality of ‘MidSouth’ Following Canopy Manipulation in South Mississippi. Haley N. Williams* and Eric T. Stafne. Mississippi State University, MAFES South MS Branch Experiment Station, 711 W. North St., Poplarville, MS 39470. (hnw111@msstate.edu)

22) Optimizing irrigation scheduling for maximum fruit size in peach orchards in South Carolina. Juan Carlos Melgar*, Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29631. (jmelgar@clemson.edu)

23G) Impact of Harvest Date on Volatile Components of Arkansas-grown Blackberries. Jordan P. Chenier*, Andrea L. Myers, Renee T. Threlfall, Luke R. Howard, and Cindi R. Brownmiller, 2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704. (jchenier@uark.edu)

24) Performance of Selected Blackberry Cultivars in Alabama. James D. Spiers*¹ and Edgar Vinson², ¹111 Funchess Hall, Department of Horticulture, Auburn University, AL 36849, ²Chilton Research and Extension Center, Clanton, AL 35045. (jds0017@auburn.edu)

25G) Expanding Color and Quality Standards for Fresh-market Muscadine Grapes, J. Cody Rawls¹*, Renee T. Threlfall1, Penelope Perkins-Veazie², and Margaret L. Worthington³. ¹2650 N. Young Avenue, Food Science Department, University of Arkansas, Fayetteville, AR 72704, ²Plants for Human Health Institute, Department of Horticulture, 600 Laureate Way, Kannapolis, NC 28081. ³316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701. (rthrelf@uark.edu)

26) Rhizosphere microbiome of grapefruit grown in Florida flatwood soils. John M. Santiago¹, Davie M. Kadyampakeni², and Lorenzo Rossi^1,*. ¹Horticultural Sciences Department, University of Florida, IFAS, Indian River Research and Education Center, Fort Pierce, FL; ²Soil and Water Sciences Department, University of Florida, IFAS, Citrus Research and Education Center, Lake Alfred, FL. (l.rossi@ufl.edu)

27G) Enlightened Roots: The Effect of Supplemental Light on Root Growth Rate of Vitis riparia x V. rupestris ‘101-14’, grafted to French American Hybrid ‘Traminette’. Kiara McKenzie-Perry^1*, Kyle Freedman² and Mark Hoffmann². ¹ North Carolina Agriculture and Technical State University, Department of Agriculture and Environmental Systems, Greensboro NC 27441, ² Department of Horticultural Sciences, NC State University, Raleigh NC 27695. (knmckenzieperry@aggies.ncat.edu).

28) Seedless Muscadine Fruit Chemistry Changes with Low Temperature Storage. Penelope Perkins-Veazie*¹, Mark Hoffman², and Guoying Ma¹. ¹North Carolina State University, Plants for Human Health Institute, Department of Horticultural Science, 600 Laureate Way, Kannapolis, NC 28081; ²North Carolina State University, Department of Horticultural Science, Raleigh, NC 27695 (penelope_perkins@ncsu.edu)

29G) Investigating the impact of basal leaf removal, and cluster thinning timing, on potassium accumulation in the berries of red wine grapes. Jacob N. Muras¹*, Justin J. Scheiner¹, and Michael Cook², Department of Horticultural Sciences, ¹ Texas A&M University, HSFB, 2134 TAMU, College Station, TX 77843, ²Texas A&M AgriLife Extension Service, 401 W. Hickory St. Denton, TX 76201 (muras.jacob@tamu.edu)

30) Size-Controlling Apple Rootstocks for High Density Orchards in Alabama. Elina Coneva, Department of Horticulture, Auburn University, Auburn, AL, 36849. (Edc0001@auburn.edu)

31G) Nutritional Status of Young Peach Plants on Guardian and MP-29 Rootstocks Under Different Irrigation Scheduling Practices. Srijana Thapa Magar^*1, George Vellidis², Wesley Porter², Vasileios Liakos², Jose H. Andreis³, and Dario J. Chavez¹_, ¹Department of Horticulture, University of Georgia, Griffin Campus, Griffin, GA 30223, ²Department of Crop and Soil Sciences, University of Georgia, Tifton Campus, Tifton, GA 31793, ³Austn LTDA ME, Marau, RS 99150-000, Brazil. (st45674@uga.edu)

32) Southern Highbush Blueberry Cultivar Fruit Quality Evaluation. David H. Picha*, Kathryn K. Fontenot, and Heather Kirk-Ballard. School of Plant, Environmental and Soil Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA 70803. (dpicha@agcenter.lsu.edu)

33G) Lab screening of nanocellulose as a freeze protection strategy in southern highbush blueberry. Hannah M. Elliott¹*, Jamal Mohammed¹, Dario J. Chavez¹, Sudhagar Mani², Renée M. Holland³, and Rachel A. Itle¹, ¹Department of Horticulture, University of Georgia, UGA– Cowart Building, 210 Cowart Street, Griffin, GA 30223, ²College of Engineering, University of Georgia, 110 Riverbend Road, Athens, GA 30602, ³ANR Extension, University of Georgia, 203 S. Dixon Street, Alma, GA 31510. (hannah.elliott@uga.edu)

34) The Effect of Municipal Mulch and Chicken Litter Applied to Peach Orchards on Fruit Blemishes and Marketable Yield. Sydney Lykins*¹, Brian T. Lawrence¹, Juan Carlos Melgar¹, and Guido Schnabel¹. ¹ 105 Collings Street, 218 Biosystems Research Complex, Plant and Environmental Sciences Department, Clemson University, Clemson, SC 29634. (slykins@g.clemson.edu)

35G) Rapid Digital Phenotyping of Red Drupelet Reversion and Fruit Morphology in Blackberry.  G  Mason Chizk*, Margaret Worthington, John R. Clark. 316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701. (tmchizk@uark.edu)

36UG) Impacts of Novel Training Methods for the Rotating Cross Arm Trellis on Blackberry Yield and Labor Inputs. Mataya Duncan ^1*, Sarah Cato ², Lizzy Herrera ², Aaron Cato ², and Amanda McWhirt ², ¹ Department of Biology, University of Arkansas at Little Rock, 2801 S. University Ave., Little Rock, AR 72204, ² Department of Horticulture, University of Arkansas Cooperative Extension Service, 2301 S. University Ave., Little Rock, AR 72204. (msduncan@ualr.edu)

37G) Survey of Wine Purchasing and Consumption Habits of Consumers of Commercial Arkansas Wines. Amanda J. Fleming* and Renee T. Threlfall, 12650 N. Young Avenue, Department of Food Science, University of Arkansas, Fayetteville, AR 72704. (ajflemin@uark.edu)

38) Postharvest Evaluation of Gold Kiwifruit Cultivars Grown in Central Alabama. James D. Spiers*, 111 Funchess Hall, Department of Horticulture, Auburn University, AL 36849. (jds0017@auburn.edu)

39G) Fine Mapping of QFD2.2, a Major QTL for Fruit Diameter in Watermelon (Citrullus lanatus). Samuel Manthi* and Cecilia McGregor, Department of Horticulture, University of Georgia, 1111 Plant Sciences Building, Athens, GA 30602, USA. (samuel.josiah@uga.edu)

Vegetable Crops

40) Evaluation of Radish Varieties in the Virgin Islands. Daryl A. Richards, Jr.*, Jessica Ewer, and Thomas W. Zimmerman, Agricultural Experiment Station, University of the Virgin Islands, 10,000 Castle Burke, Kingshill, VI 00850. (daryl.richars@uvi.edu)

41G) Evaluating Waterlogging Stress on the Morphological and Gas Exchange Parameters of Cowpea (Vigna unguiculata (L.) Walp.) Genotypes Under Field Conditions. Omolayo J. Olorunwa*, Bikash Adhikari, and T. Casey Barickman, Department of Plant and Soil Sciences, Mississippi State University, North Mississippi Research and Extension Center, Verona, MS, 38879. (ojo26@msstate.edu)

42) V Evaluation of Specialty Pumpkin Varieties in Arkansas. Drew E. Kirkpatrick^1*, Matthew B. Bertucci¹, Jeremie Kouame², Kayla Knepp¹, Rachel C. Woody-Pumford¹, Jonathan M. McArthur¹, and Conner O. Cravens¹, ¹316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, ²115 Plant Science, Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72701. (dedillio@uark.edu)

43G) Aeroponic production of lettuce promotes biomass and root growth in comparison to hydroponic production methods. Kamron Newberry, Vikram Baliga, and Catherine Simpson, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409 (Kamron.Newberry@ttu.edu)

44G) Photosynthetic Efficiency, Chlorophyll Fluorescence, and CO₂ Responses of Net Assimilation are Impacted by Seed Priming and Salt Stress in Lettuce (Lactuca sativa L.). Bikash Adhikari*, Omolayo J. Olorunwa, and T. Casey Barickman, Department of Plant and Soil Sciences, Mississippi State University, North Mississippi Research and Extension Center, Verona, MS, 38879. (ba917@msstate.edu)

45) Influence of potting and soil type on quality and yield of muskmelons in the U.S. Virgin Islands. Jessica Ewer^1*, Thomas W. Zimmerman¹, and Henry O. Awika^1,2. ¹School of Agriculture, Agricultural Experiment Station, University of the Virgin Islands, 10,000, Kingshill, VI 00850. ²School of Agriculture, Cooperative Extension Service, University of the Virgin Islands, 10,000, Kingshill, VI 00850. (Jessica.ewer@uvi.edu)

46G) Impacts of Carbamazepine Rates on Lettuce (Lactuca sativa var. capitata) Growth in Hydroponics Systems. Emily Stamm*¹, Clinton Williams², Cade Coldren¹, Catherine Simpson¹, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, 2US Arid-Land Agricultural Research Center, 21881 North Cardon Lane, Maricopa, AZ 85138. (emstamm@ttu.edu)

47UG) The Effects of Salinity on Broccoli (Brassica oleracae) and Purslane (Portulaca oleracea) Microgreens. Gretchen Plocek* and Catherine Simpson, Department of Plant and Soil Sciences, Texas Tech University, Lubbock, TX 79409. (gplocek@ttu.edu)

48G) Effects of Se on growth and physiochemical properties in hydroponically produced Indian Mustard (Brassica juncea cv. Red Giant): Savannah. Cognasi*¹, Matthew Siebecker¹, Clinton Williams², and Catherine Simpson^1 1Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, ²US Arid-Land Agricultural Research Center, Maricopa, AZ 85138. (savannah.cognasi@ttu.edu)

49) Influence of Sweetpotato Spacing on Yield in the Virgin Islands. Samuel Joseph* and Thomas W. Zimmerman, Agricultural Experiment Station, University of the Virgin Islands, 10,000 Castle Burke, Kingshill, VI 00850. (tzimmer@uvi.edu)

50G) Effect of different colored shade nets on quality and growth of hydroponic lettuce and basil. Harpreet Singh*, Bruce L. Dunn. Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK 74075 (harpreet.singh11@okstate.edu)

51) Organoleptic Attributes of Best Adapted Strawberry Cultivars for Alabama.  Edgar Vinson*¹., P. Perkins-Veazie², Elina Coneva¹, and M. Price³. ¹Department of Horticulture, Auburn University, 101 Funchess Hall, Auburn, AL  36849. ²600 N.C. State University, Laureate Way, Kannapolis, NC  28081. ³Chilton Research and Extension Center, 120 County Road 756, Clanton, AL  35045, (vinsoed@auburn.edu)

52G) Elevated Levels of Iron Influences Physiological Performance, Yield, and Soluble Sugar and Phytonutrient Concentrations of Lettuce (Lactuca sativa L.). Travis Blanche*, Bikash Adhikari, Thomas Horgan, Jeff Wilson, and T. Casey Barickman. Department of Plant and Soil Sciences, Mississippi State University, North Mississippi Research and Extension Center, Verona, MS, 38879. (jtb804@msstate.edu)

53G) Hydrogen Peroxide (H₂O₂) Effects on Lettuce, Basil, and Algae in an Ebb and Flow Hydroponic System. Teal Hendrickson* and Bruce Dunn. 358 Ag Hall, Department of Horticulture and Landscape Architecture, Stillwater, OK 74078 (teal.hendrickson@okstate.edu)

54) Plant Growth and Yield and Incidence of Tomato Yellow Leaf Curl Virus in Tomato Cultivars. Diaz-Perez, Juan C.¹, Calob Guerra¹, and Sudeep Bag², ¹Department of Horticulture and ²Department of Plant Pathology, University of Georgia, Tifton Campus, Tifton, GA 31793 (jcdiaz@uga.edu).

55G) Seed Priming and Salt Stress Impacts Germination, Phenotypic Traits, and Biomass Accumulation of Lettuce (Lactuca sativa L.). Bikash Adhikari*, Omolayo J. Olorunwa, Thomas Horgan, and T. Casey Barickman, Department of Plant and Soil Sciences, Mississippi State University, North Mississippi Research and Extension Center, Verona, MS, 38879. (ba917@msstate.edu)

56) Spring Fresh Market Brussel Sprouts Variety Trial in Oklahoma. Bizhen Hu2, Izzy Gonzales1*, Lynn Brandenberger2, and Matthew Beartrack2, 1Department of Environmental Science, Oklahoma State University, Stillwater, OK 74078, 2Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK 74078. (bizhen.hu@okstate.edu)

57UG) Seedless Watermelon Variety Trial Grown in Arkansas. Rachel C. Woody-Pumford¹*, Matthew B. Bertucci¹, Drew Kirkpatrick¹, Darrin G. Henderson², and Kayla Knepp¹, ¹Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, ²University of Arkansas Division of Agriculture Research & Extension, Huntsville, AR 72740. (rxw025@uark.edu)

58G) Functional Roles of Diverse Colored Sweetpotatoes Varieties (Ipomoea batatas L.) and its Tops. Kaitlyn Hapke*, and. Islam, S^. Department of Agriculture / Agricultural Regulations, University of Arkansas at Pine Bluff, 148 Woodard Hall, 1200 North University Drive, Mail Slot 4913, Pine Bluff, AR 71601 (islams@uapb.edu)

Cross-Commodity

59) A Survey on Growers’ Awareness Related to On-Farm Food Safety and Conservation Practices in the Southeastern United States. Camila Rodrigues^*1, Kristin Woods², Laurel Dunn³. ¹Department of Horticulture, Auburn University, Auburn, AL 36849 (crodrigues@auburn.edu), ²Alabama Cooperative Extension System, Auburn University, Auburn, AL 36049, ³Department of Food Science & Technology, University of Georgia, Athens, GA 30602.

60G) Plant Selection for Floating Treatment Wetlands in Brackish Waters. Andrea C. Landaverde¹*, Sarah A. White², and William H.J. Strosnider³, ¹Department of Biological Sciences, Clemson University, Clemson, SC 29631, ²Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29631, ³Baruch Marine Field Laboratory, University of South Carolina, Georgetown, SC 29440. (alandav@clemson.edu)

61) Impact of preplant fumigation with Pic-Clor 60 on hemp yields in Georgia.  Timothy Coolong*, Amanda Marabesi, and Noelle Joy, Department of Horticulture, University of Georgia, Athens, GA 30602. (tcoolong@uga.edu)

62) Influence of soil temperature on plant available nitrogen from organic fertilizers.  Hanna de Jesus^*1 Kate Cassity-Duffey¹, Miguel Cabrera², Andre da Silva³, Bhabesh Dutta⁴, and Timothy Coolong¹, ¹1111 Miller Plant Sciences, University of Georgia, Athens, GA 30602, ²4119 Plant Sciences Bldg., University of Georgia, Athens, GA 30602, ³124 Funchess Hall, Auburn University, Auburn, AL 36849, ⁴2360 Rainwater Rd., University of Georgia, Tifton, GA 31793. (tcoolong@uga.edu)

63) Screening of 28 Hemp Varieties and Analysis of Spatial Distribution and Seasonal Development of Cannabinoids.  Kaylee Deynzer*, Gerald Myers, Kathryn Fontenot, Heather Kirk-Ballard, Department of Horticulture, Louisiana State University, Baton Rouge, LA 70803.

64UG) Influence of Flue Gas Desulfurization Gypsum on Phosphorus Loss in Pine Bark Substrates. Landon Erbrick¹*, Paul Bartley¹, Dexter Watts², Allen Torbert², ¹101 Funchess Hall, Department of Horticulture, Auburn University, AL 36849. ²USDA-ARS National Soil Dynamics Laboratory, Auburn, AL 36832. (pcb0004@auburn.edu)

65) Pollinating the Field to Achieve the Yield; Program for Native Habitat On-Farm Assistance. Olivia Fuller ^*1 ,Camila Rodrigues ² , Kristin Woods ¹  , Ayanava Mujumdar ¹ . ¹ Alabama Cooperative Extension System, Auburn University, Auburn, AL 36049, ²Department of Horticulture, Auburn University, Auburn, AL 36849.

66) Eggplant Biomass is Significantly Higher in Composted Spent Coffee Grounds than Non-Composted Spent Coffee Grounds Across All Treatments, But Not Basil Biomass.  Amanda L. Birnbaum^1*, Benjamin G. Wherley², David W. Reed¹, ¹Horticultural Sciences, Texas A&M University, College Station, TX 77843-2133, ²Soil and Crop Sciences Texas A&M University, College Station, TX 77843-2133.  (abirnbaum@tamu.edu)

Extension

67) Making a Difference: K-State Garden Hour Webinar Series Improves Lives.  Cheryl R. Boyer¹*, Matthew McKernan², and Russell P. Boyer³. ¹1712 Claflin Rd., Department of Horticulture and Natural Resources, Kansas State University, Manhattan, KS 66506, ²7001 W. 21^st St. N., K-State Research and Extension Sedgwick County, Wichita, KS 67205, ³1301 Lovers Lane, Department of Management, Kansas State University, Manhattan, KS 66506. (crboyer@k-state.edu).

Presiding:  TBA, ACB Vice-President

Nate Philips, ACB Advisor

Presiding:   Joe Masabni, Chair

Abstracts:   To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to Chair: jmasabni@ag.tamu.edu

1:00   An Evaluation of Commercial Cucurbit Crops in Alabama during the Whitefly Season. Andre da Silva¹*, Olivia Fuller², Ayanava Majundar³, Edward Sikora³, and Alvin Simmons⁴, ¹Department of Horticulture, Auburn University, Auburn, AL 36849, ²Tuscaloosa Co. Extension Office, Tuscaloosa, AL 35401, ³Department Entomology and Plant Pathology, Auburn, AL 36849. ⁴USDA – Vegetable Research, Charleston, SC 29414. (azb0207@auburn.edu)

1:15   Use of Mulching Systems for Hop Production in the Environmental Conditions of Alabama. Andre da Silva¹*, Michael Phillips¹, Joe Kemble¹, and Alex Harkess², ¹Department of Horticulture, Auburn University, Auburn, AL 36849, ²Department of Soil, Crop, and Environmental Science, Auburn University, Auburn, AL 36849. (azb0207@auburn.edu)

1:30   Evaluation of Cucurbita Germplasm for Resistance to Whitefly Transmitted Viruses. Alexander Luckew¹, Geoffrey Meru², Emily Wang², Rodrick Mwatuwa², Mathews Paret³, Renato Carvalho³, Melanie Kalischuk^3,7, Andre Luiz Biscaia Ribeiro da Silva^1,6, Joara Candian¹, Bhabesh Dutta⁴, Babu Srinivasan⁵, Saritha Raman Kavalappara⁵, RRD Naga Charan Konakalla⁴, Sudeep Bag⁴, and Cecilia McGregor¹*, ¹Department of Horticulture, University of Georgia, Athens, GA 30602, ²Horticultural Sciences Department, University of Florida, Homestead, FL 33031, ³Department of Plant Pathology, University of Florida, Quincy, FL 32351, ⁴Department of Plant Pathology, University of Georgia, Tifton, GA 31793, ⁵Department of Entomology, University of Georgia, Griffin, GA 30223, ⁶Department of Horticulture, Auburn University, Auburn AL 36849, ⁷Department of Plant Agriculture, University of Guelph, Guelph, Ontario, Canada N1G 2W1. (cmcgre1@uga.edu)

1:45   Role of Planting Date on Yield in Quality of Auto-Flower and Daylength Sensitive Hemp in Georgia. Timothy Coolong* and Noelle Joy, Department of Horticulture, University of Georgia, Athens, GA 30602. (tcoolong@uga.edu)

2:00   Effects of Irrigation System and Cultivation Method on Productivity of Organically-Grown Broccoli in Georgia. Kate Cassity-Duffey¹, Nicholas Basinger², Bhabesh Dutta³, and Timothy Coolong¹*, ¹Department of Horticulture, University of Georgia, Athens, GA 30602, ²Crop and Soil Sciences Department, University of Georgia, Athens, GA 30602, ³Department of Plant Pathology, University of Georgia, Tifton, GA 31793. (tcoolong@uga.edu)

2:15   Break

2:30   Screening of Cowpea (Vigna unguiculata (L.) Walp.) Genotypes for Waterlogging Tolerance using Morpho-physiological Traits at the Early Growth Stage. Omolayo J. Olorunwa¹*, Bikash Adhikari¹, Ainong Shi², and T. Casey Barickman¹, ¹Department of Plant and Soil Sciences, Mississippi State University, North Mississippi Research and Extension Center, Verona, MS, 38879, ²Department of Horticulture, University of Arkansas, Fayetteville, AR 72701. (ojo26@msstate.edu)

2:45   Diurnal Fertigation Interval for Effective Hydroponics Nutrients Management in Dutch Bucket Cucumber Production. Emmanuel Ayipio* and Daniel E. Wells, Department of Horticulture, Auburn University, Auburn, AL 36849. (eza0035@auburn.edu)

3:00   Yield and Fruit Quality of 12 Cherry Tomato Cultivars in High Tunnels. Sanjun Gu, Peter Coffey*, John Kimes, and Quincey Moffitt, Cooperative Extension, North Carolina A&T State University, Greensboro, NC 27411. (plcoffey@ncat.edu)

3:15   Breeding for Novel Traits in Peppers (Capsicum spp.) at Texas A&M. Kevin Crosby¹*, Daniel Leskovar², and John Jifon³, ¹Department of Horticultural Sciences, Texas A&M University, College Station, TX 77843, ²Texas A&M AgriLife Research and Extension Center, Uvalde, TX 78801, ³Texas A&M AgriLife Research and Extension Center, Weslaco, TX 78596. (k-crosby@tamu.edu)

Presiding:   Matt Chappell, Chair

Abstracts:   To publish abstract in HortScience, see instructions at end of program. Submit on disk at meeting or email to 1:00-4:45Chair: chappell@vt.edu

1. 3D phenotyping and quantitative analysis of peach tree architecture via terrestrial laser scanning. Jordan Knapp-Wilson^1*, Rafael Bohn Reckziegel², Alexander Bucksch³ and Dario J. Chavez⁴. ¹ Cowart Building – Rm 214, Institute of Plant Breeding, Genetics, Genomics, University of Georgia, Griffin Campus, Griffin, GA 30223, ² Chair of Forest Growth and Dendroecology, University of Freiburg, Freiburg, Germany 79098, ³ Miller Plant Sciences – Rm 2611, Department of Plant Biology, University of Georgia, Athens Campus, Athens, GA 30602, ⁴ Physiology Building – Rm 105, Department of Horticulture, University of Georgia, Griffin Campus, Griffin, GA 30223. (jrk88473@uga.edu)
2. Association mapping of fruit firmness and morphology in blackberry. Mason Chizk^1*, Margaret Worthington¹, Carmen Johns ¹, Lacy Nelson¹, John R. Clark¹, Rishi Aryal² and Hamid Ashrafi². ¹ 1316 Plant Science, Department of Horticulture, University of Arkansas, Fayetteville, AR 72701, ² North Carolina State University Department of Horticultural Sciences, 234 Kilgore Hall Campus Box 7609, Raleigh, NC 27695. (tmchizk@uark.edu)
3. Dissection of race 1 anthracnose resistance in a watermelon (Citrullus lanatuslanatus) biparental mapping population. Bed Prakash Bhatta^1,2*, Takshay Patel³, Edgar Correa^1,2, Todd C. Wehner³, Kevin M. Crosby¹, Michael J. Thomson⁴, Richard Metz⁵, Shichen Wang⁵, Marcel Brun⁵, Charles D. Johnson⁵ and Subas Malla^1,2. ¹ Department of Horticultural Sciences, Texas A&M University, College Station, Texas, 77843, USA, ² Texas A&M AgriLife Research and Extension Center, Uvalde, Texas, 78801, USA, ³ Department of Horticultural Science, North Carolina State University, Raleigh, North Carolina, 27695, USA,  ⁴ Department of Soil and Crop Sciences, Texas A&M University, College Station, Texas, 77843, USA, ⁵ Genomics and Bioinformatics Service, Texas A&M AgriLife Research, College Station, Texas, 77843, USA. (subas.malla@ag.tamu.edu)
4. Evaluation of one-time foliar auxin applications co-applied with a surfactant in the propagation of woody ornamentals. Anthony T. Bowden^1*, Patricia R. Knight¹, Jenny B. Ryals¹, Christine E.H. Coker¹, Scott A. Langlois¹, Shaun R. Broderick², Eugene K. Blythe³, Hamidou F. Sakhanokho⁴ and Ebrahiem M. Babiker⁴. ¹ Coastal Research and Extension Center, South Mississippi Branch Experiment Station, P.O. Box 193, Poplarville, MS 39470, ² Truck Crops Branch Experiment Station, 2024 Experiment Station Rd., Crystal Springs, MS 39059, ³ College of Agriculture, Auburn University, Auburn, AL 36849, ⁴ USDA-ARS Southern Horticultural Lab., P.O. Box 287, Poplarville, MS 39470. (ab1001@msstate.edu)
5. Evaluation of nitrogen rate and fertilizer source for the production of organic onion in Georgia. Hanna de Jesus^*1, Kate Cassity-Duffey¹, Andre da Silva², Bhabesh Dutta³ and Timothy Coolong¹. ¹ 1111 Miller Plant Sciences, University of Georgia, Athens, GA 30602, ² 124 Funchess Hall, Auburn University, Auburn, AL 36849, ³ 2360 Rainwater Rd., University of Georgia, Tifton, GA 31793. (hannaij@uga.edu)
6. Effect of drying methods no hemp flower quality. Noelle Joy^*1, Timothy Coolong¹, and Daniel Jackson². ¹ 1111 Miller Plant Sciences, University of Georgia, Athens, GA 30602, ² 2400 College Station Rd., Crop Quality Lab, University of Georgia, Athens, GA 30602. (noellejoy@uga.edu)
7. Hydration of traditional and stratified substrates under varied moisture conditions. Kristopher S. Criscione^* and Jeb S. Fields. Hammond Research Station, Louisiana State University Agricultural Center, 21549 Old Covington Hwy., Hammond, LA 70403. (kcrisc2@lsu.edu)
8. Impact of light intensity on bud fruitfulness of French-American hybrid ‘Traminette’ and American ‘Concord’ grapevines. Kyle Freedman^*, Cristian Collado, Ricardo Hernández and Mark Hoffmann. Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695. (kafreedm@ncsu.edu)
9. Influence of cadmium on growth and nutrient uptake in hydroponically-grown hemp. Amanda Olbrick Marabesi^*1, Timothy Coolong¹ and Jason Lessl². ¹ 1111 Miller Plant Sciences, University of Georgia, Athens, GA 30602, ² 2400 College Station Rd., Agricultural and Environmental Services Lab, University of Georgia, Athens, GA 30602. (aom@uga.edu)
10. Integration of blueberry flavor volatile with consumer acceptability for identification of key flavor compounds. Jamal Mohammed^1*, Kathleen S. Amaral¹, Juyoung Kim², Shangci Wang², Koushik Adhikari², Renée M. Holland³, D. Scott NeSmith¹ and Rachel A. Itle¹. ¹ Department of Horticulture, University of Georgia, UGA– Cowart Building, 210 Cowart Street, Griffin, GA 30223, ² Department of Food Science & Technology, University of Georgia, UGA – Melton Building, 350 Woodroof Drive, Griffin GA, 30223, ³ ANR Extension, University of Georgia Extension, 203 South Dixon Street, Suite 3, Alma, GA 31510. (jm30002@uga.edu)
11. Integration of quantitative trait loci (QTL) associated with gummy stem blight resistance from a crop wild relative into elite watermelons. Samikshya Rijal^*, and Cecilia McGregor, Institute of Plant Breeding, Genetics & Genomics, University of Georgia, Athens, GA 30602, USA. (sr12566@uga.edu)
12. Screening of cowpea (Vigna unguiculata(L.) Walp.) genotypes for waterlogging tolerance using morpho-physiological traits at the early growth stage.Omolayo J. Olorunwa^1*, Bikash Adhikari¹, Ainong Shi² and T. Casey Barickman¹. ¹ Department of Plant and Soil Sciences, Mississippi State University, North Mississippi Research and Extension Center, Verona, MS, 38879, ² Department of Horticulture, University of Arkansas, Fayetteville, AR 72701. (ojo26@msstate.edu)
13. SmartIrrigation peach app for irrigation scheduling in a mature peach orchard.Srijana Thapa Magar^*1, George Vellidis², Wesley Porter², Vasileios Liakos², Jose H. Andreis³ and Dario J. Chavez¹_.¹ Department of Horticulture, University of Georgia, Griffin Campus, Griffin, GA 30223, ² Department of Crop and Soil Sciences, University of Georgia, Tifton Campus, Tifton, GA 31793, ³ Austn LTDA ME, Marau, RS 99150-000, Brazil. (st45674@uga.edu)
14. Texture characteristics associated with fruit shelf-life in blueberry. Heeduk Oh^1,2*, Marti Pottorff¹, Lara Giongo³, Massimo Iorizzo^1,2 and Penelope Perkins-Veazie^1,2. ¹ Plants for Human Health Institute, North Carolina State University, Kannapolis, NC, USA 28081, ² Department of Horticulture, North Carolina State University, Raleigh, NC, USA 27607, ³ Fondazione Edmund Mach, Research and Innovation Centre, San Michele a/A, Trento, Italy. (penelope_perkins@ncsu.edu, miorizz@ncsu.edu)
15. “To eat, or not to eat” question answered by real-time monitoring system combined with semiautomatic analysis of feeding behavior study for crapemyrtle bark scale. Bin Wu^1,2*, Runshi Xie^1,2, Elizabeth Chun², Gary W. Knox³, Mengmeng Gu⁴ and Hongmin Qin². ¹ Department of Horticultural Sciences, Texas A&M University, College Station, TX 77843, ² Department of Biology, Texas A&M University, College Station, TX 77843, ³ Department of Environmental Horticulture, University of Florida/IFAS North Florida Research and Education Center, Quincy, FL 32351, ⁴ Department of Horticultural.