Staff
Staff
B. Warren Roberts Associate Professor
B. Warren Roberts
Associate Professor
Department of Horticulture & Landscape Architecture
Oklahoma State University
Wes Watkins Agricultural Research and Extension Center
Box 128, Lane, Oklahoma 74555
Education
Ph.D. 1987 Department of Soil Science, North Carolina State University
M.S. 1985 Department of Soil Science, North Carolina State University.
B.S. 1974 Department of Agriculture, Berea College, Berea, Kentucky.
Professional Experience
6/92 to present: Associate Professor, Department of Horticulture and Landscape Architecture, Oklahoma State University, Wes Watkins Agricultural Research and Extension Center, Lane, Oklahoma. Research involves cultural management practices, conservation tillage and soil fertility interactions as related to vegetable production.
11/87 to 6/92:
Assistant Professor, Department of Horticulture & Landscape Architecture,Oklahoma State University
9/82 to 11/87:
Graduate Research Assistant, Soil Science Department, N.C.S.U. Raleigh N.C.
10/76 to 9/82:
Agricultural Research Technician. Mountain Horticultural Crops Research and Extension Center, Fletcher, N.C. Research was soil fertility and plant nutrition oriented.
1/74 to 10/76:
Assistant Agricultural Extension Agent. N.C. Agricultural Extension Service, Avery County, North Carolina. Horticulture and 4-H.
5/73 to 9/73:
Research Assistant. Imperial Chemical Industries. Goldsboro, N.C. Field research with experimental chemical products.
Professional Affiliations:
American Society for Horticultural Science
Southern Association of Agricultural Scientists
Oklahoma Vegetable Association
Publications (Major Refereed):
Lu, Wenhua, J.V. Edelson, Jim A. Duthie, and B. Warren Roberts. 2003. A comparison of yield between high- and low-intensity management for three watermelon cultivars. HortScience 38(3):351-356.
Edelson, J.V., J. Duthie , and W. Roberts . 2003. Watermelon growth, fruit yield and plant survival as affected by squash bug (Hemiptera: Coreidae) feeding. J. Econ. Entomol. 96(1):64-70.
Lu, Wenhua, B. Warren Roberts, James A. Duthie, James W. Shrefler, Merritt J. Taylor, and Jonathan V. Edelson. 2003. Characteristics and geographic variation of watermelon (Citrullus lanatus) production in Oklahoma from a statewide survey. J. Veg. Crop. Prod. 9(1):33-48.
Lu, Wenhua, James A. Duthie, B. Warren Roberts, Merritt J. Taylor, Jonathan V. Edelson. 2003. Partial budget analysis of effects of crop management intensity on profitability of three watermelon cultivars. J. Veg. Crop. Prod. 9(1):49-71
Williams, T.V. and W. Roberts. 2002. Is vegetable variety evaluation and reporting becoming a lost art? HortTechnology. 12(4): pp 553-559.
Edelson, J.V., J. Duthie and W. Roberts. 2002. Watermelon seedling growth and mortality as affected by Anasa tristis (Heteroptera: Coreidae). J. Econ. Entomol. 95(3):595-597.
Edelson, J.V., J. Duthie and W. Roberts. 2002. Toxicology of biorational insecticides: Activity against the green peach aphid (Myzus persicae (Sulzer)). Pest Management Science. 58:255-260.
Perkins-Veazie, P., J. K. Collins, S. D. Pair, and W. Roberts. 2001. Lycopene content differs among red-fleshed watermelon cultivars. J. Sci. Food and Agric. 81(10): 983-987.
Roberts, W., J. Duthie, J. Edelson, B. Cartwright, J, Shrefler, N. Roe. 1999. Limitations and Possibilities for Some Conservation Tillage Systems with Vegetable Crops in the Southern Plains of the United States. HortTechnology 9(3): 359-365.
Duthie, J.A., Shrefler, J.W., Roberts, B.W., and Edelson, J.V. 1999. Plant density-dependent variation in marketable yield, fruit biomass, and marketable fraction in watermelon. Crop Science 39:406-412.
Duthie, J.A., Roberts, B.W., Edelson, J.V., and Shrefler, J.W. 1999. Plant density-dependent variation in density, frequency, and size of watermelon fruits. Crop Science 39:412-417.
Roberts, B.W. and J. A. Anderson. 1994. Canopy Shade and Soil Mulch Affects Yield and Sunscald of Bell Pepper. HortScience. 29(4):258-260.
Roberts B.W. and C.W. O'Hern. 1993. Inexpensive Sand Filters for Drip Irrigation Systems. HortTechnology. 3(1):85-88.
Roberts, W. and V. Russo. 1991. Time of Flooding and Cultivar Affect Sweetpotato Yield. HortScience. 26(12):1473-1474.
Roberts, W., and B. Cartwright. 1991. Vegetable Production with Conservation Tillage, Cover Crops, and Raised Beds. p. 72-76 In: T.C. Keisling (ed.). Proc. 1991 Southern Conservation Tillage Conf. Ark. Agric. Exp. Sta. Spec. Rep. 148.
Roberts, B.W. and B. Cartwright. 1991. Cover Crop, Nitrogen, and Insect Interactions. p 164-165. In: W.L. Hargrove (ed.). Cover Crops for Clean Water. Inter. Conf., Soil & Water Cons. Soc., Ankeny, Iowa.
Russo, V. M., B. W. Roberts., and R. J. Schatzer. 1991. Feasibility of Trellised Cucumber Production. HortScience. 26(9):1156-1158.
Roberts, B. W. and B. Cartwright. 1991. Alternative Soil and Pest Management Practices for Sustainable Production of Fresh-Market Cabbage. J. Sust. Agric. 1(3):21-35.
Nelson, W.A., B.A. Kahn, and B.W. Roberts. 1991. Screening Cover Crops for Use in Conservation Tillage Systems for Vegetables Following Spring Plowing. HortScience. 26(7):860-862.
Russo, V. M. and B. W. Roberts. 1991. Variable Yield of Bell Pepper Established on Converted Pasture Fertilized According to Recommendations. HortTechnology. 1(1):39-41.
Cartwright, B., B.W. Roberts, T.K. Hartz, and J.V. Edelson. 1990. Effects of Mulches on the Population Increase of Myzus persicae (Sulzer) on Bell Peppers. Southwestern Entomologist. 15:475-479.
Anderson, J., G. McCollum, and W. Roberts. 1990.
High Temperature Acclimation in Pepper Leaves. HortScience 25(10):1272-1274.
Publications (Reviewed):
J. Shrefler, J. Duthie, J. Edelson, W. Roberts, M. Taylor, and M. Dogramaci. 2003. Foliar disease management alternatives for watermelon (Citrullus lanatus). In D. N. Maynard (ed.), Cucurbitaceae 2002. ASHS Press. pp. 252-258.
Lu, W., M. Biernacki, J. Duthie, W. Roberts, M. Taylor, and J. V. Edelson. 2003. Characteristics of watermelon (Citrullus lanatus) fields and production in Oklahoma. In D. N. Maynard (ed.), Cucurbitaceae 2002. ASHS Press. pp. 386-392.
P. Perkins-Veazie, J.K. Collins, S, Pair, and W. Roberts. 2003. Watermelon: lycopene content changes with ripeness stage, germplasm, and storage. In D. N. Maynard (ed.), Cucurbitaceae 2002. ASHS Press. pp. 427-430.
Taylor, Merrit J., Wenhua Lu, James A. Duthie, B. Warren Roberts, and Jonathan V. Edelson. 2003. Effects of high and low management intensity on profitability for three watermelon genotypes. Economic Proceedings. Proceedings of Southern Agricultural Economics Association invited papers, SAAS, Mobile, AL February, 2003. 17pp.
Edelson, J.V, W. Roberts, and J. Duthie. 2002. Squash bug feeding reduces watermelon seedling growth and increases seedling mortality. Proc. Of Cucurbitaceae. 2002. pp 265-269.
Lu, W., M. Biernacki, W. Roberts, J. Duthie, J. Edelson, W. Roberts. 2002. Characteristics of watermelon (Citrullus lanatus) fields and production in Oklahoma. Proc. of Cucurbitaceae. 2002. Naples, Fl., Dec. 2002.
Perkins-Veazie, P, J. Collins, S. Pair, W. Roberts. 2002. Watermelon: Lycopene content changes with ripeness, germplasm, and storage. Proc. of Cucurbitaceae. 2002. Naples, Fl., Dec. 2002.
Edelson, J.V., J. Duthie and W. Roberts. 2002. Controlling squash bugs with foliar applications, Oklahoma, 2001. Arthropod Management Tests.
Edelson, J.V., J. Duthie and W. Roberts. 2002. Controlling squash bug with soil insecticide applications. Arthropod Management Tests.
Edelson, J.V., J. Duthie and W. Roberts. 2002. Controlling squash bug on seedlings with carbofuran soil insecticide applications. Arthropod Management Tests.
Edelson, J.V., J. Duthie and W. Roberts. 2001. Control of squash bugs on squash with soil applied insecticides, Oklahoma, 2000. Arthropod Management Tests. E77.
Edelson, J.V., J. Duthie and W. Roberts. 2001. Controlling squash bugs on squash with foliar applications, Oklahoma, 2000. Arthropod Management Tests. E76.
Edelson, J.V., J. Duthie and W. Roberts. 2001. ‘Biorational’ insecticides for controlling aphids, Oklahoma, 2000. Arthropod Management Tests. E102.
Edelson, J.V., J. Duthie and W. Roberts. 2001. Controlling green peach aphids on turnip greens, Oklahoma, 2000. Arthropod Management Tests. E97.
Edelson, J.V., J. Duthie and W. Roberts. 2001. Effect of lepidoptera specific insecticides on aphid populations on turnip greens, Oklahoma, 2000. Arthropod Management Tests. E99.
Edelson, J.V., J. Duthie and W. Roberts. 2001. Insecticides for controlling aphids on turnips, Oklahoma, 1999. Arthropod Management Tests. E98.
Edelson, J.V., J. Duthie and W. Roberts. 2001. Soil insecticides for controlling aphids, Oklahoma, 1999. Arthropod Management Tests. E100.
Edelson, J.V., J. Duthie and W. Roberts. 2001. Soil application of insecticides to control aphids, Oklahoma, 2000. Arthropod Management Tests. E101.
Roberts, W. J. Shrefler, J. Duthie, J. Edelson, M. Biernacki, and M. Taylor. 2000. Weed control mechanisms in multi-cropped forages and watermelon. Proc. Southern Weed Sci. Soc., SWSS 2000(53):215.
Biernacki,M., W. Roberts, J. Shrefler, J. Duthie, J. Edelson, and M. Taylor. 2000. Effects of weed density and distance on watermelon growth and development. Proc. Southern Weed Sci. Soc., SWSS 2000(53):62-63.
Biernacki, M., W. Roberts, J. Shrefler, J. Duthie, J. Edelson, and M. Taylor. 2000. Water use by watermelon and selected weeds. Proc. Southern Weed Sci. Soc., SWSS 2000(53):150-151.
Biernacki, M., W. Roberts, and C.L. Webber, III. 2000. Effects of Tumble Pigweed (Amaranthus albus L.) on Modular Demography of Watermelon (Citrullus lanatus). Proc. of the WSSA Nat. Conf. Toronto, Ontario, Canada. Feb. 5-10, 2000. (216). 2000.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Control of insects on turnips, 1998. Arthropod Mngt. Tests. 25: 178.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Neonicotinoid insecticide efficacy for aphid control, turnips, 1999. Arthropod Mngt. Tests. 25: 177-178.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Neonicotinoid insecticide efficacy for aphid control, turnips, 1998. Arthropod Mngt. Tests. 25: 177.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Evaluation of insecticide efficacy, turnips, 1999. Arthropod Mngt. Tests. 25: 177.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Evaluation of insecticide efficacy on turnips using a bioassay, 1998. Arthropod Mngt. Tests. 25: 176.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Activity of ‘organic’ insecticides, turnips, 1998. Arthropod Mngt. Tests. 25: 106.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Control of insects on collards, 1998. Arthropod Mngt. Tests. 25: 106-107.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Comparison of insecticides to control larvae on collards, 1999. Arthropod Mngt. Tests. 25: 107.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Comparison of insecticides for controlling larvae, collards, 1998. Arthropod Mngt. Tests. 25: 106.
Edelson, J.V., J. Duthie, W. Roberts. 2000. Control of insects on turnips, 1998. Arthropod Mngt. Tests. 25: 178.
Shrefler, J. W., W.B. Bigger, S.C. Jones, B. W. Roberts. 1999. On-farm evaluation of weed control options for watermelon. Proc. Southern Weed Sci. Soc., SWSS 1999(52):84-85.
Edelson, J.V., M. Peters, A. Sutherland, J. Duthie, and W. Roberts. 1999. Control of lepidopterous larvae and aphids in a commercial cabbage field, 1998. Arthropod Mngt. Tests, 24: E4.
Edelson, J.V., C. Mackey, J. Duthie and W. Roberts. 1999. Control of insects on summer
squash, 1998. Arthropod Mngt. Test, 24:E84.
Edelson, J.V., M. Peters, A. Sutherland, J. Duthie and W. Roberts. 1999. Control of squash bug in a commercial watermelon field, 1998. Arthropod Mngt. Tests, 24: E104.
Shrefler, J. W., B. W. Roberts, J. V. Edelson, J. A. Duthie, and M. J. Taylor. 1998. Assessment of currently available and potential tools for controlling weeds in watermelon. Proc. Southern Weed Sci. Soc., SWSS 1998(51): 93.
Damicone, J., K. Conway, W. Roberts. 1998. Diseases of Asparagus in Oklahoma. OSU Fact Sheet F-7646.
Roberts, W., J. Edelson, J. Duthie, J. Shrefler, J. Enis, S. Smith, W. O'Hern, N. Roe, G. Cornforth, T. Matthews. 1998. Multi-Cropping Cattle and Watermelon in the Southern Plains. In Sustainable Agriculture Research & Education: Southern Region 1998 Annual Report. Pp. 32-33.
Faulkenberry, O. L., J. A. Duthie, J. V. Edelson, & B. W. Roberts. Response of Three Watermelon cultivars to High-intensity and Low-intensity Crop Management, 1997. 1998. Biological and Cultural Tests, Vol. 13, p 190.
Edelson, J. V., M. Peters, J. Duthie, W. Roberts. 1997. Control of Squash Bug on Summer Squash in Oklahoma. In Arthropod Management Tests.
Edelson, J. V., M. Peters, J. Duthie, W. Roberts. 1997. Control of Lepidopterous Larvae on Collards in Oklahoma. In Arthropod Management Tests.
Roberts, W., J. Edelson, J. Duthie, J. Shrefler, J. Enis, S. Smith, W. O'Hern, N. Roe, G. Cornforth, T. Matthews. 1997. Multi-Cropping Cattle and Watermelon in the Southern Plains. In Sustainable Agriculture Research & Education: Southern Region 1997 Annual Report. Pp 51-52.
Motes, J. E. and Warren Roberts. 1997. Growing Vegetable Transplants. OSU Fact Sheet 6020.
Motes, J. E., Warren Roberts, John Damicone, and Jonathan Edelson. 1997.Southern Pea Production. OSU Fact Sheet 6029.
Roberts, W., J. Edelson, J. Duthie, J. Shrefler, J. Enis, S. Smith, W. O'Hern, N. Roe, G. Cornforth, T. Matthews. 1996. Multi-Cropping Cattle and Watermelon in the Southern Plains. In Sustainable Agriculture Research & Education: Southern Region 1997 Annual Report. Pp 53-54
Roberts, W., J. E. Motes, J. Edelson, J. Damicone, and J. Duthie. 1996. Watermelon Production. OSU Fact Sheet 6236.
Motes, J. E., W. Roberts, J. Edelson, J. Damicone, and J. Duthie. 1996. Slicing Cucumber Production. OSU Fact Sheet 6023.
Motes, J. E., W. Roberts, J. Edelson, J. Damicone, and J. Duthie. 1996. Cantaloupe Production. OSU Fact Sheet 6237.
Motes, J. E., W. Roberts, J. Edelson, J. Damicone, and J. Duthie. 1996. Squash and Pumpkin Production. OSU Fact Sheet 6026.
Motes, J. E., and W. Roberts. 1996. Weed Control in Vegetables. OSU Current Report CR-6008.
Motes, J.E., W. Roberts, and B. A. Kahn. 1995. Vegetable Varieties for Oklahoma, OSU Fact Sheet 6032.
Motes, J. E., and W. Roberts. 1995. Weed Control in Vegetables. OSU Current Report CR-6008.
Motes, Cuperus, Cartwright, Damicone, Maness, Roberts, Criswell, Maness, Schatzer, Sutherland, Tilley. 1995. Cucurbit Production and Pest Management . OSU. Circular E-853. 56 pp.
Rowland, S., B. Cartwright, and B. W. Roberts. 1994. Control of pests on tomatoes, summer 1993. Arthropod Control Tests 19.
Motes, J.E., B. W. Roberts, and B. A. Kahn. 1994. Vegetable Varieties for Oklahoma, OSU Fact Sheet 6032.
Motes, J. E., and W. Roberts. 1994. Weed Control in Vegetables. OSU Current Report CR-6008.
Motes, J. E., Warren Roberts, and B. O. Cartwright. 1994. Sweet Corn Production. OSU Fact Sheet 6021.
Motes, J. E., and W. Roberts. 1994. Fertilizing Commercial Vegetables. OSU Fact Sheet 6000.
W. Roberts, Jim Motes, and Joe Schatzer. 1994. Commercial Production of Fresh Market Tomatoes. OSU Fact Sheet 6019.
Rowland, S, B. Cartwright, and W. Roberts. 1993. Control of tomato pests on tomatoes. Insect. & Acar. Tests.
Whitworth, J. and W. Roberts. 1992. Weed Management in Small Fruit Crops. OSU Extension Facts. 6243.
Roberts, B. W., and B. Cartwright. 1990. A Reduced
Input Approach to Cabbage Production: Managing Erosion, Fertility, and Pests.
Agric. Exp. Sta., OSU., P-911. March, 1990. 15 pp.
Publications (Non-Refereed):
Roberts, W., L. Brandenberger, P. Perkins-Veazie, J. Edelson, and J. Shrefler. 2003. Watermelon Cultivar Evaluations. In 2002 Vegetable Trial Report. OSU. MP-164.
Edelson, J.V., J. Duthie, and W. Roberts. 2003. Controlling squash bug on seedlings with carbofuran soil insecticide applications, Oklahoma, 2002: Watermelon: Citrullus lanatus (Thumb.), ‘MickyLee’. In 2002 Vegetable Trial Report. OSU. MP-164.
Roberts, W., and L. Brandenberger. 2002. Watermelon Cultivar Trials. 2001 Vegetable Trial Report. OSU. HORT 02-1.
Edelson, J.V., J. Damicone, J. Duthie and W. Roberts. 2002. Vegetable trials report – . OSU. HORT 02-1. (8 separate reports).
Roberts, W. 2002. Cucurbit Crop Management. IN Cucurbit Integrated Crop Management Oklahoma Cooperative Extension Service Publication E-853, P. Bolin and L. Brandenberger – Editors, January, 2002. pp 15-29.
Roberts, W. M. Biernacki, J. Edelson, J. Duthie, J. Shrefler, M. Taylor, W. Lu. 2002. Watermelon Survey Findings for Oklahoma. Proc. 21st Ann. Hort. Ind. Show. Pp. 160-161.
Shen, Z, W. Roberts, J. Duthie, J. Edelson, P Perkins-Veazie. 2002. Lycopene Development in Watermelons. Proc. 21st Ann. Hort. Ind. Show. Pp 162-164.
Roberts, W., and J. Shrefler. Weed Control in Vegetables – 2001. OSU Fact Sheet. CR – 6008.
Webber, C.L. III, B. W. Roberts, and J. W. Shrefler, Cover Crops and Black Bean Production. 2001. 20th Annual Horticultural Industries Show. Springdale, AR. p. 108-111.
Edelson, J.V., J. Duthie and W. Roberts. 2001. Vegetable trials report – Oklahoma State University, Cooperative Extension Service. (10 separate reports). Department of Horticulture and Landscape Architecture, HORT 01-1.
Roberts, W., J. Edelson, J. Duthie, J. Shrefler, M. Taylor, M. Biernacki. 2000. Conservation Tillage for Vegetables. Proc. 19th Ann. Hort. Ind. Show. Pp. 194-198.
Webber, C.L. III, B.W. Roberts, J.W. Shrefler, and J. Duthie. 2000. Germination of Cucurbit and Pigweed Seeds in Response to Temperature. 19th Annual Horticultural Industries Show. Tulsa, OK. p. 129-133.
Roberts, B. W. and B. A. Kahn. 1999. Commercial Vegetable Varieties for Oklahoma. OSU Fact Sheet F-6035.
Roberts, W., M. Bienacki, J. Duthie, M. Taylor and J. V. Edelson. 1999. Vegetable yield and soil nutrient changes with poultry litter fertilizers. Proc. 18th Ann. Hort. Ind. Show. Pp. 112-115.
Roberts, W., Maciej Biernacki, Benny Bruton, Jim Duthie, Jonathan Edelson, Sam Pair, Jim Shrefler, Merritt Taylor, Penny Perkins-Veazie. 1999. A Changing Watermelon Industry. Proc. 18th Ann. Hort. Ind. Show. Pp. 116-118.
B. W. Roberts and B. Kahn. 1999. Commercial Vegetable Varieties for Oklahoma. OSU Fact Sheet f-6035.
Damicone, J., K. Conway, W. Roberts. 1998. Diseases of Asparagus in Oklahoma. OSU Fact Sheet F-7646.
J. Duthie, J. Damicone, and W. Roberts. 1998. Diseases of Leafy Crucifer Vegetables (collards, kale, mustard, turnips). OSU Fact Sheet. F-7666.
Roberts, W., J. Duthie, J. Edelson, J. Shrefler, M. Taylor, 1998. Relationship between Watermelon Foliage and Fruit. Proc. 17th Ann. Ok. Hort. Ind. Show. P 229-232.
Shrefler, J., W. Roberts, W. O'Hern. 1998. Vegetable Weed Control. Proc. 17th Ann. Hort. Ind. Show. Pp. 242-243.
Sutherland, A., W. Roberts. 1998. Watermelons and the World Wide Web. Proc. 17th Ann. Hort. Ind. Show. Pp. 246-249.
Roberts, W. 1998. Microbial Food Safety for Fresh Produce. Proc. 17th Ann. Hort. Ind. Show. Pp. 268-270.
Roberts, W., J. Edelson, J. Duthie, J. Shrefler, J. Enis, S. Smith, W. O'Hern, N. Roe, G. Cornforth, T. Matthews. 1998. Multi-Cropping Cattle and Watermelon in the Southern Plains. Proc. 17th Ann. Hort. Ind. Show. Pp. 291-295.
Roberts, W. and J. Motes. 1997. Jalapeno Pepper: Cultivar and Soil Fertility. Proc. 16th Ann. Ok. Hort. Ind. Show. p. 264 - 265.
Duthie, J., J. Edelson, W. Roberts, J. Shrefler. 1997. A Calendar for Management of Watermelon Pests in Oklahoma: A Planting to Harvest Checklist. Proc. 16th Ann. Ok. Hort. Ind. Show. p 228 - 231.
Shrefler, J. W., B. W. Roberts and W. O’Hern. 1997. Watermelon Weed Control Studies. Proc. 16th Ann. Ok. Hort. Ind. Show. pp. 232-235.
Roberts, W., and J. Motes. 1996. Extending the Production Season. Proc. 15th Ann. Ok. Hort. Ind. Show. pp. 234-237.
Duthie, J. A., Roberts, B. W., Edelson, J. V., and Shrefler, J. 1996. Forecasting to control watermelon diseases. Proc. 15th Ann. Ok. Hort. Ind. Show, 126.
Rowland, S. J., Duthie, J. A., and Roberts, B. W. 1995. Watermelon anthracnose control (‘Sugar Baby’) - Lane, 1995. In 1995 Vegetable Trial Report, OSU Hort 96(1):24.
Rowland, S. J., Duthie, J. A., and Roberts, B. W. 1995. Reaction of watermelon varieties to anthracnose - Lane, 1995. In 1995 Vegetable Trial Report, OSU Hort 96(1):24.
Roberts, B. W., J. E. Motes, and V. Russo. 1995. Jalapeno Variety Trial - Lane. In 1995 Vegetable Trial Report, OSU Hort 96(1):6.
Roberts, B. W., J. E. Motes, and J. A. Duthie. 1995. Cucumber Variety Trial - Lane. In 1995 Vegetable Trial Report, OSU Hort 96(1):4.
W. Roberts, Jim Motes, and A. Sutherland. 1995. Oklahoma Vegetable Association Newsletter. January, 1995.
W. Roberts, Jim Motes, and A. Sutherland. 1995. Oklahoma Vegetable Association Newsletter. May, 1995.
W. Roberts, Jim Motes, and A. Sutherland. 1995. Oklahoma Vegetable Association Newsletter. December, 1995.
W. Roberts, Jim Motes, and A. Sutherland. 1994. Oklahoma Vegetable Association Newsletter. October, 1994.
Roberts, W., J. Duthie, and B. Cartwright. 1994. Plant Spacing Effects on Production of 'Allsweet' and 'Sugar Baby' Watermelons. Proc. 13th Ann. Ok. Hort. Ind. Show. pp. 124-127.
Roberts, W. and J. Whitworth. 1993. Alternatives to Soil Nutrient Management. Commercial Alternative Ag Newsline. OSU 3(7): 3-5.
Whitworth, J. and W. Roberts. 1993. Sustainable Agriculture: Why Isn't it Being Adopted. Commercial Alternative Ag Newsline. OSU 3(3):4-5.
Roberts, W. and J. Whitworth. 1993. Row Covers Protect Watermelons from Hail. Proc. 12th Ann. Ok. Hort. Ind. Show. pp 142-143.
Roberts, W. 1992. Cucumber Variety Trial. 1992. Vegetable Trial Report. OSU. Hort 93(1):8.
Roberts, W. 1992. Pumpkin Variety Trial. 1992. Vegetable Trial Report. OSU. Hort. 93(1):17.
Roberts, W. 1992. Heat Tolerant Tomato Variety Trial. Vegetable Trial Report. OSU. Hort. 93(1):37
Roberts, W. 1992. Watermelon Variety Trials. Vegetable Trial Report. OSU. Hort. 93(1):39.
Roberts, W. 1992. Cucumber Germination and Growth Response to Seed Treatments. Technical Report to Rohm & Haas and Ciba-Geigy.
Whitworth, J. and W. Roberts. 1992. Weed Management in Small Fruit Crops. Proc. 11th Ann. Ok. Hort. Ind. Show. pp. 74-77.
Roberts, B. W. and B. Cartwright. 1991. Cover crops for soil fertility Proc. Ark. Hort. Sci 111th Ann. Meet. pp. 30-36.
Roberts, W. 1991. Fertilizer Efficiency: Nitrogen and Phosphorus. Proc. 10th Ann. Ok. Hort. Ind. Show. pp. 63-65.
Roberts, W. 1991. Diagnosing Nutritional Disorders. Proc. 10th Ann. Ok. Hort. Ind. Show. pp. 93-95.
Roberts, B.W. 1990. Comparing conventional and no-till production of cabbage, corn, and tomato. Proc. 9th Ann. Ok. Hort. Ind. Show. pp. 103-106.
Roberts, W. and B. Cartwright. 1990. Alternative tillage and insect control strategies for cabbage, sweet corn, and trellised tomatoes. USDA-ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:9.
Roberts, W. and B. Cartwright. 1990. Cover crop by nitrogen interactions for fall planted tomatoes and broccoli. ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:10.
Roberts, W. 1990. Phosphorus fertilization techniques for snap beans, sweet corn, bell pepper, and trellised tomatoes. USDA-ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:11-12.
Wann, E.V. and B.W. Roberts. 1990. Evaluation of tomato cultivars. USDA-ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:13-14.
Roberts, W. 1990. Evaluation of high temperature tolerant tomato cultivars. USDA-ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:15.
Roberts, W. 1990. Effect of age and growth condition of transplants on yield and quality of trellised tomatoes. USDA-ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:16.
Anderson, J. and W. Roberts. 1990. Heat stress in bell peppers. USDA-ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:18-19.
Roberts, W., V. Russo, and J. Schatzer. 1990. Yield Response and economic feasibility of trellising cucumbers. USDA-ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:21.
Roberts, W. and V. Russo. 1990. Effects of flooding and time of flooding on sweet potato production. USDA-ARS and OSU 1990 Prog. Report. WWAREC and SCARL. 4:22.
Roberts, W. 1989. Feed the soil, feed the plants, feed the people. Proc. 8th Ann. Ok. Hort. Ind. Show. pp 116-119.
Roberts, W. and V. Russo. 1989. Cucumber trellising by variety trials. USDA-ARS and OSU 1989 Prog. Report. WWAREC and SCARL. 3:19-20
Roberts, W., J. Anderson, and G. McCollum. 1989. Mulch effects on heat stress of bell peppers. USDA-ARS and OSU 1989 Prog. Report. WWAREC and SCARL. 3:29-30.
Roberts, W., J. Motes, and V. Russo. 1989. Sweet potato flooding by variety trials. USDA-ARS and OSU 1989 Prog. Report. WWAREC and SCARL. 3:31.
Roberts, W. and B. Cartwright. 1989. Concepts of low input sustainable agriculture with spring tomatoes, corn, and cabbage. USDA-ARS and OSU 1989 Prog. Report. WWAREC and SCARL. 3:32-33.
Roberts, W. and B. Kahn. 1989. Conservation tillage with fall tomatoes and broccoli. USDA-ARS and OSU 1989 Prog. Report. WWAREC and SCARL. 3:34-35.
Roberts, W. and V. Russo. 1990. Cucumber Variety X Trellising - Lane and Wilburton, 1989. In 1989 Vegetable Trial Report. OSU Research Report. Hort 90(1):8.
Roberts, W. and J. Motes. 1990. Bell Pepper Variety Trial - Lane, 1989. In 1989 Vegetable Trial Report. OSU Research Report. Hort 90(1):4.
Roberts, W. and J. Motes. 1990. Tomato Variety Trial - Lane, 1989. In 1989 Vegetable Trial Report. OSU Research Report. Hort 90(1):21.
Roberts, W. and B. Kahn. 1990. Cabbage Variety Trial - Lane, Spring, 1989. In 1989 Vegetable Trial Report. OSU Research Report. Hort 90(1):5.
Roberts, W. and B. Kahn. 1989. Broccoli Variety Trial - Lane, Fall, 1988. In 1988 Vegetable Trial Report. OSU Research Report. Hort 89(1):8.
Roberts, W. and J. Motes. 1989. Bell Pepper Variety Trial - Lane, 1988. In 1988 Vegetable Trial Report. OSU Research Report. Hort 89(1):5.
Roberts, W. and J. Motes. 1989. Cucumber Variety Trial - Lane, 1988. In 1988 Vegetable Trial Report. OSU Research Report. Hort 89(1):13.
Roberts, W. and J. Motes. 1989. Muskmelon Variety Trial - Lane, 1988. In 1988 Vegetable Trial Report. OSU Research Report. Hort 89(1):17
Roberts, W., J. Motes, and D. McCraw. 1989. Sweet Potato Variety - Lane, 1988. In 1988 Vegetable Trial Report. OSU Research Report. Hort 89(1):26
Roberts, W. 1988. Trellised tomato production in Western North Carolina. Proc. Proc. 7th Ann. Ok. Hort. Ind. Show. pp 148-151.
Kahn, B., J. Motes, and W. Roberts. 1988. Cabbage variety trials. USDA-ARS and OSU 1988 Prog. Report. WWAREC and SCARL. 2:16.
Motes, J. and W. Roberts. 1988. Cucurbit variety trials. USDA-ARS and OSU 1988 Prog. Report. WWAREC and SCARL. 2:17.
Roberts, W. 1988. Phosphorus rate by placement. USDA-ARS and OSU 1988 Prog. Report. WWAREC and SCARL. 2:20-21.
Kahn, B., W. Roberts, and W. Nelson. 1988. Screening of cover crops for use in conservation tillage systems for vegetable crops in Oklahoma. USDA-ARS and OSU 1988 Prog. Report. WWAREC and SCARL. 2:22-23.
Roberts, W. and B. Kahn. 1988. Conservation tillage with fall tomatoes. USDA-ARS and OSU 1988 Prog. Report. WWAREC and SCARL. 2:24-25.
Roberts, W. and B. Kahn. 1988. Conservation tillage with fall broccoli. USDA-ARS and OSU 1988 Prog. Report. WWAREC and SCARL. 2:26-27.
Roberts, W. 1988. Mulch comparisons for pepper, tomatoes. USDA-ARS and OSU 1988 Prog. Report. WWAREC and SCARL. 2:28-29.
Cartwright, B., W. Roberts, and C.L. Patterson.
1988. Effect of vegetable mulching systems on the colonization of insect
pests. USDA-ARS and OSU 1988 Prog. Report. WWAREC and SCARL. 2:30-31.
Publications (Abstracts):
Roberts, Warren, Benny Bruton, Jonathan Edelson, Jim Shrefler, Merritt Taylor. 2003. Watermelon Stand Establishment and Disease Control. HortScience (In Press)
Roberts, Warren, Penny Perkins-Veazie, Lynn Brandenberger, Jonathan Edelson, Jim Shrefler, Oklahoma Watermelon Cultivar Evaluations, 2002. HortScience (In Press)
Perkins-Veazie, Penelope, Warren Roberts, and Kristi Perez. 2003. Watermelon fruit potassium and lycopene content in response to increased potassium fertility. HortScience 38(5):816-817.
Roberts, Warren, Maciej Biernacki, Jonathan Edelson, Jim Shrefler, and Merritt Taylor. 2002. Uniformity in watermelon cultivar trials. HortScience 37(5):752-753.
Roberts, Warren, Benny Bruton, Jonathan Edelson, and Jim Shrefler. 2002. Effects of cultural practices on watermelon stand and disease. HortScience 37(5):746-747.
Roberts, Warren, Lynn Brandenberger, Jonathan Edelson, and Jim Shrefler. 2002. Watermelon cultivar evaluations in Oklahoma. HortScience 37(5): 753.
Roberts, W., J. Duthie, J. Edelson, J. Shrefler, M. Beirnacki, and M. Taylor. 1999. Watermelon germination responses to temperature and cultivar. HortScience. 34(5):827.
Roberts, W., J. Duthie, J. Edelson, and J. Shrefler. 1999. Limitations to the use of poultry litter as a fertilizer for vegetables. HortScience. 34(3):465.
Roberts, W., J. Duthie, J. Edelson, and J. Shrefler. 1998. Foliar and spatial requirements for watermelon. HortScience. 33(3):545.
Roberts, W., J. Duthie, J. Edelson, and J. Shrefler. 1998. Watermelon foliage and yield relationships. HortScience: 33(4):598.
Duthie, J. A., J. Shrefler, W. Roberts, and J. V. Edelson. 1998. Yield Response of Watermelon to Plant Density. HortScience. 33(4):598.
Roberts, W., N. Roe, J. Duthie, J. Edelson, J. Shrefler, G Cornforth, J Enis, and S. Smith. 1997. Integrating Watermelon and Forage Crops. HortScience. 32(3):539.
Roberts, W., J. Shrefler, J Duthie, and J. Edelson. 1997. Watermelon Weed Control: Current and Future Possibilities. HortScience. 32(3):428.
Roberts, W., J. Duthie, and J. Edelson. 1996. Cucumber Yield and Soil Nutrient Changes with Poultry Litter and Synthetic Fertilizers. HortScience. 31(4):610.
Roberts, W., J. Shrefler, J. Duthie, J. Edelson. 1996. Mechanical and Chemical Alternatives for Weed Control in Watermelon. HortScience. 31(5):758.
Rowland, S., J. A. Duthie and B. W. Roberts. 1996. Evaluation of Watermelon Cultivars for Resistance to Anthracnose, 1996. Biological and Cultural Tests for Control of Plant Diseases 11:122.
Roberts, W., and J. Duthie. 1995. Watermelon yield as affected by plant density and spatial arrangement. HortScience. 30:754.
Roberts, W., J. Duthie, and J. Whitworth. 1995. Cucumber yield responses to raw and processed poultry litter. HortScience. 30:428.
Duthie, J., W. Roberts, and T. Thannisch. 1995. Weather-based schedules for fungicidal control of watermelon anthracnose. Phytopathology. 85:510.
Roberts, W., and B. Cartwright. 1994. No-Till Cabbage Production Using Rye Cover Crops. HortScience. 29(5):428
Duthie, J. and W. Roberts. 1994. Effects of density and aggregation of seedlings on yield of watermelon. Phytopathology 84:1092.
Roberts, W. and J. Duthie. 1994. Tomato transplant age and method of plant hardening affect yield. HortScience. 29(7):732.
Whitworth, J. and W. Roberts. 1994. Fall fertilization of strawberries with boron. HortScience. 29(7):735-736.
Roberts, W., J. Duthie, and B. Cartwright. 1993. Row covers and mulches for early season melons. 1993 Biennial Report of Vegetable Research in the Southern United States, Hawaii, and Puerto Rico. U.S. Vegetable Laboratory, USDA-ARS, Charleston, S.C. p. 129.
Roberts, W., J. Duthie, and B. Cartwright. 1993. Row spacing & in-row spacing of watermelons. 1993 Biennial Report of Vegetable Research in the Southern United States, Hawaii, and Puerto Rico. U.S. Vegetable Laboratory, USDA-ARS, Charleston, S.C. pp 129-130.
Roberts, W., and J. Whitworth. 1993. Fertilization with poultry litter and synthetic fertilizers. 1993 Biennial Report of Vegetable Research in the Southern United States, Hawaii, and Puerto Rico. U.S. Vegetable Laboratory, USDA-ARS, Charleston, S.C. pp 28-29.
Roberts, W., and J. Anderson. 1993. Cultural practices for reduction of heat stress. 1993 Biennial Report of Vegetable Research in the Southern United States, Hawaii, and Puerto Rico. U.S. Vegetable Laboratory, USDA-ARS, Charleston, S.C. p. 65.
Roberts, W., and B. Cartwright. No till cabbage in rye cover crops. 1993. 1993 Biennial Report of Vegetable Research in the Southern United States, Hawaii, and Puerto Rico. U.S. Vegetable Laboratory, USDA-ARS, Charleston, S.C. p. 10.
Roberts, B. W. and M. W. Smith. 1993. Corn yield variability and uptake of various nutrients in response to phosphorus fertilization in low-P soils. HortScience. 28(5):172.
Whitworth, J. and B. W. Roberts. 1993. Gel polymer can reduce leaching and improve nutrition of strawberry plants. HortScience. 28(5):140.
Roberts, W. and J. Whitworth. 1993. Row covers, watermelon, and hail damage. HortScience. 28(4):274.
Roberts, B. W., and Jeff Anderson. 1992. Cultural modification techniques for alleviation of heat stress in bell peppers. HortScience. 27(6):193.
Roberts, W., and B. Cartwright. 1991. Sweet corn yield and insect damage as affected by cover crops and nitrogen. HortScience. 26(5):489.
Roberts, W., and V. Russo. 1991. Influence of cultivars, flooding, and time of flooding on sweet potato yield. HortScience. 26(5):489.
Roberts, W. 1990. Phosphorus rate and placement methods with double row raised beds. HortScience. 25(8):859
Roberts, W. and B. Cartwright. 1990. Alternative approaches to soil erosion, fertility, and pest management of cabbage. HortScience. 25(8):859.
Roberts, B. W., and C.W. O'Hern. 1990. Small scale, low cost filters for drip irrigation systems. HortScience. 25(9):103
Russo, V.M., B.W. Roberts, and R. J. Schatzer. 1990. Production and economic feasibility of trellising cucumbers. HortScience. 25(9):1067.
Roberts, B.W. and Bob Cartwright. 1990. Minimum tillage and nitrogen interactions in production of fall broccoli. HortScience. 25(9)1158.
Russo, V.M., and B. W. Roberts. 1990. Variability in soil factors affecting bell pepper production. Proc. 10th National Pepper Conference p.29.
Roberts, B.W., and B. Cartwright. 1989. Plastic and living mulch affects crop yield, soil, and insects. HortScience. Prog. Abstr. p 111
Nelson, W.A., B.A. Kahn, and B.W. Roberts. 1989. Screening cover crops for use in conservation tillage systems for vegetables following spring plowing. HortScience. 24(5):763.
Anderson, J., G. McCollum, and W. Roberts. 1989. Heat stress in bell pepper leaves. HortScience. Prog. Abstr. p. 127.
Roberts, B.W., A.G. Wollum, II, R.A. Reinert, and S.R. Shafer. 1987. Growth Responses of Tomato to Sulfur Dioxide and Ozone. Hortscience. 22(5):105.
Roberts, B.W., R.A. Reinert, S.R. Shafer, and A.G. Wollum, II. 1987. Glycine max Growth Responses and Bradyrhizobium strain competitiveness as affected by SO2. Agronomy Abstracts, American Society of Agronomy, Madison, Wi.
Roberts, B.W., A.G. Wollum,II, R.A. Reinert, and S.R. Shafer. 1986. Effects of Atmospheric Contaminants upon Plant Characteristics and Rhizosphere Microorganisms in Different Soil Types. Agronomy Abstracts, American Society of Agronomy, Madison, Wi.
Presentations (National):
Perkins-Veazie, Penelope, Warren Roberts, and Kristi Perez. 2003. Watermelon fruit potassium and lycopene content in response to increased potassium fertility. ASHS Annual Meeting, Providence, R.I. Oct, 2003.
Lu, W., M. Biernacki, J. Duthie, W. Roberts, M. Taylor, and J. V. Edelson. 2002. Characteristics of watermelon (Citrullus lanatus) fields and production in Oklahoma. In D. N. Maynard (ed.), Cucurbitaceae 2002, pp. 386-392. ASHS Press, Naple, FL.*
M. Dogramaci, W. Lu, J. Duthie, W. Roberts, J. Shrefler, M. Taylor, and J. V. Edelson. 2002. Occurrence, abundance, and distribution of watermelon arthropod pests in Oklahoma from extensive and intensive surveys. Poster, The Annual Meeting of the Entomological Society of America, November 17-20, 2002, Fort Lauderdale, FL.
Lu, W., J. V. Edelson, J. A. Duthie, and B. W. Roberts. 2001. High or low intensity of management: does it make any difference in harvest yields for watermelon crops? Poster, Southwest Branch Meeting of the Entomological Society of America. February 2001, San Antonio, TX.
Roberts, W., M. Biernacki, J. Duthie, J. Edelson, J. Shrefler, M. Taylor. 2000. Watermelon Cultivar Uniformity Enhancement. National Watermelon Promotion Board. Orlando, Florida. November, 2000.
Roberts, W. 2000. Watermelon seed germination in response to temperature. ASHS National Meeting, Orlando, Florida. June, 2000. Invited Speaker to Workshop - Triploid Seedless Watermelon: Improving Seed Germination, Seedling Growth, and Hybrid Development.
W. Roberts, J. Duthie, J. Edelson, and J. Shrefler. 1999. Limitations to the Use of Poultry Litter as a Fertilizer for Vegetables. 1999 National ASHS Ann. Meeting, Minneapolis, Mn. July 1999.
Roberts, W., M. Biernacki, J. Duthie, J. Edelson, J. Shrefler, M. Taylor. 1999. Watermelon Cultivar Uniformity Enhancement. National Watermelon Promotion Board. Orlando, Florida. November, 1999.
W. Roberts. 1998. Some limitation to implementing no-till for vegetables. 1998 Annual Meeting, ASHS. Charlotte, N.C.
W. Roberts, J. Duthie, J. Edelson, and J. Shrefler. 1998. Foliar and spatial requirements for watermelon. 1998 National ASHS Ann. Meeting, Charlotte, NC. July 1998.
Roberts, W., N. Roe, J. Duthie, J. Edelson, J. Shrefler, G Cornforth, J Enis, and S. Smith. 1997. ASHS National Meeting, Salt Lake City, Utah. July, 1997.
Roberts, W., J. Shrefler, J Duthie, and J. Edelson. 1997. Watermelon Weed Control: Current and Future Possibilities. ASHS National Meeting, Salt Lake City, Utah. July, 1997.
Roberts, W., J. Duthie, and J. Edelson. 1996. Cucumber Yield and Soil Nutrient Changes with Poultry Litter and Synthetic Fertilizers. ASHS National Meeting, Lexington, Ky.
Roberts, W., and J. Duthie. 1995. Watermelon yield as affected by plant density and spatial arrangement. ASHS National Meeting, Montreal, Canada. August, 1995.
Roberts, W., and B. Cartwright. 1994. No-Till Cabbage Production Using Rye Cover Crops. ASHS National Meeting, Corvallis, Oregon. August, 1994.
Duthie, J. and W. Roberts. 1994. Effects of density and aggregation of seedlings on yield of watermelon. Amer. Path. Soc. Annual Meeting. Albuquerque, N.M.
Roberts, B. W. and M. W. Smith. 1993. Corn yield variability and uptake of various nutrients in response to phosphorus fertilization in low-P soils. ASHS National Meeting, Nashville, Tennessee. August, 1993.
Whitworth, J. and B. W. Roberts. 1993. Gel polymer can reduce leaching and improve nutrition of strawberry plants. ASHS National Meeting, Nashville, Tennessee. August, 1993.
Roberts, B. W., and Jeff Anderson. 1992. Cultural modification techniques for alleviation of heat stress in bell peppers. ASHS National Meeting, Honolulu, Hawaii, August 1-4, 1992.
Roberts, B.W. and B. Cartwright. 1991. Cover Crop, Nitrogen, and Insect Interactions. International Conference on Cover Crops for Clean Water. Soil & Water Conservation Society. Jackson, Tennessee. April 9-11, 1991.
Roberts, B.W., and C.W. O'Hern. 1990. Small scale, low cost filters for drip irrigation systems. ASHS National Meeting, Tucson, Arizona, November 4-8, 1990.
Russo, V.M., B.W. Roberts, and R. J. Schatzer. 1990. Production and economic feasibility of trellising cucumbers. ASHS National Meeting, Tucson, Arizona, November 4-8, 1990.
Roberts, B.W. and Bob Cartwright. 1990. Minimum tillage and nitrogen interactions in production of fall broccoli. ASHS National Meeting, Tucson, Arizona, November 4-8, 1990.
Russo, V.M., and B. W. Roberts. 1990. Variability in soil factors affecting bell pepper production. 10th National Pepper Conference, Wilmington, Delaware, July 25-27, 1990.
Winters, S. J., B. Cartwright, and B. W. Roberts. 1990. Influence of ground cover and nitrogen fertilization on the primary pests of cabbage. Ann. Meeting of Entomological Society of America, New Orleans, LA., December 4, 1990.
Roberts, B.W., and B. Cartwright. 1989. Plastic and Living Mulch affects Crop Yield, Soil, and Insects. Annual Meeting, American Society for Horticultural Science, Tulsa, OK. Aug. 1989.
Anderson, J., G. McCollum, and W. Roberts. 1989. Heat
Stress in Bell Pepper Leaves. Annual Meeting, ASHS, Tulsa, OK. Aug. 1989.
Presentations (Regional):
Roberts, Warren, Benny Bruton, Jonathan Edelson, Jim Shrefler, Merritt Taylor. 2003. Watermelon Stand Establishment and Disease Control. Annual SR-ASHS Meeting, Mobile, Alabama, February, 2003.
Roberts, Warren, Penny Perkins-Veazie, Lynn Brandenberger, Jonathan Edelson, Jim Shrefler.
Oklahoma Watermelon Cultivar Evaluations, 2002. Annual SR-ASHS Meeting, Mobile, Alabama, February, 2003.
Roberts, W., J. V. Edelson, B. Bruton and J. Shrefler. 2002. Effects of cultural practices on watermelon stand and disease. Annual SR-ASHS meeting, February 2002, Orlando, FL.
Roberts, W., J. V. Edelson, L. Brandenberger and J. Shrefler. 2002. Watermelon cultivar evaluations in Oklahoma. Annual SR-ASHS meeting, February 2002, Orlando, FL.
Roberts, W., J. V. Edelson, M. Biernacki and M. Taylor. 2002. Uniformity in watermelon cultivar trials. Annual SR-ASHS meeting, February 2002, Orlando, FL.
W. Roberts and M. Biernacki. 1999. Watermelon Cultivar Uniformity. Annual Cucurbit Meeting. SR-ASHS, Memphis, Tn. Feb, 1999.
W. Roberts, J. Duthie, J. Edelson, J. Shrefler, M. Biernacki, and M. Taylor. 1999. Watermelon Germination Responses to Temperature and Cultivar. 1999 SR-ASHS Ann. Meeting, Memphis, Tn. Feb. 1999.
W. Roberts, J. A. Duthie, J. V. Edelson and J. W. Shrefler. 1998. Watermelon Foliage and Yield Relationships. 1998 SR-ASHS Ann. Meeting, Little Rock, AR. Feb, 1998.
Roberts, W., J. Shrefler, J. Duthie, J. Edelson. 1996. Mechanical and Chemical Alternatives for Weed Control in Watermelon. Southern Region ASHS, Greensboro, N. C. Feb 5, 1996.
Roberts, W., J. Duthie, and J. Whitworth. 1995. Cucumber yield responses to raw and processed poultry litter. Southern Region ASHS, New Orleans, La. Jan 30, 1995.
Duthie, J., W. Roberts, and T. Thannisch. 1995. Weather-based schedules for fungicidal control of watermelon anthracnose. SR-Amer. Path. Soc. Annual Meeting, New Orleans.
Roberts, W. and J. Duthie. 1994. Tomato transplant age and method of plant hardening affect yield. Southern Region ASHS, Nashville, Tennessee. Feb. 8, 1994.
Whitworth, J. and W. Roberts. 1994. Fall fertilization of strawberries with boron. Southern Region ASHS, Nashville, Tennessee. Feb. 8, 1994.
Roberts, W., J. Duthie, J. Schatzer, and J. Lanier. 1994. Forecasting watermelon disease epidemics. OCAST board meeting. Stillwater, Ok. Oct. 25, 1994.
Roberts, W. and J. Whitworth. 1993. Row covers, watermelon, and hail damage. Southern Region ASHS, Tulsa, Oklahoma, Feb 1-3, 1993.
Rowland, S., B. Cartwright, and B. W. Roberts. 1993. Integration of Alternative Cultural Practices with Cabbage Pest Management.
Roberts, W., and B. Cartwright. 1991. Vegetable Production with Conservation Tillage, Cover Crops, and Raised Beds. 1991 Southern Conservation Tillage Conference. Little Rock, Ark. June 18-20, 1991.
Roberts, W., and B. Cartwright. 1991. Sweet corn yield and insect damage as affected by cover crops and nitrogen. Southern Region ASHS, Fort Worth, Texas, Feb 3-6, 1991.
Roberts, W., and V. Russo. 1991. Influence of cultivars, flooding, and time of flooding on sweet potato yield. Southern Region ASHS, Fort Worth, Texas, Feb 3-6, 1991.
Roberts, W. 1990. Phosphorus rate and placement methods with double row raised beds. Southern Region ASHS, Little Rock, Arkansas, February 3-6, 1990.
Roberts, W. and B. Cartwright. 1990. Alternative Approaches to Soil Erosion, Fertility, and Pest Management of Cabbage. Southern Region ASHS, Little Rock, Arkansas, February 3-6, 1990.
Nelson, W.A., B.A. Kahn, and B.W. Roberts. 1989. Screening Cover Crops for use in Conservation Tillage Systems for Vegetables Following Spring Plowing. Southern Regional Meeting, ASHS, Nashville, Tenn. Feb. 1989.
Presentations (Invited):
Roberts, W. 2000. Watermelon seed germination in response to temperature. ASHS National Meeting, Orlando, Florida. Workshop - Triploid Seedless Watermelon: Improving Seed Germination, Seedling Growth, and Hybrid Development. June, 2000.
Roberts, W. 1998. Some Limitations to Implementing No-till for Vegetables. Conservation Tillage for Vegetables Workshop. ASHS National Meeting. Charlotte, North Carolina. July 13, 1998.
Roberts, W. 1993. Cows or Cucumbers? Promotion of a Vegetable Industry in Oklahoma. University of Kentucky Seminar. Nov. 20, 1993.
Roberts, W. 1993. Soil Management in Vegetable Production. Soil & Water Conservation Society Annual Meeting. Oklahoma City, OK. June 3, 1993.
Roberts, W. 1991. Cover Crops in Horticultural Production. Arkansas-Oklahoma Sustainable Agricultural Network Annual Meeting. Little Rock, Arkansas. November 19, 1991.
Roberts, B. W. 1990. Fertilizer Alternatives: Where we go from here. Eco-Fair. Austin, Texas, October 4-5, 1990.
Roberts, B. W. and B. Cartwright. 1990. Cover crops for soil fertility and tilth. Ark. Hort. Sci. Soc. Ann. Meet., Ft. Smith, Ark., Nov 14-15, 1990.
Cartwright, B. and B. W. Roberts. 1990. Interactions
between soil fertility, cover crops, and vegetable pests. Ark. Hort. Sci. Soc.
Ann. Meet., Ft. Smith, Ark., Nov 14-15, 1990.
Presentations (Extension):
Roberts, W. 2003. Science Fair Judge. Lane, Oklahoma.
Roberts, W. 2003. Horticultural Judge at County Fair, Atoka Co. Sept. 2003.
Roberts, W. 2003. Horticultural Judge at County Fair, Coal Co. Sept. 2003.
Roberts, W, B. Bruton, J. Edelson, J. Shrefler, P. Perkins-Veazie, and M. Taylor. Pythium Disease Destroys Watermelon Seedlings. Power Point presentation at WWAREC/SCARL field day, Lane, Ok. June, 2003.
W. Roberts and Ted Evicks. 2003. Vegetable gardening for homeowners. Master Gardener training. Pittsburgh Co. January, 2003.
W. Roberts. 2003. Poultry Litter: A problem and an opportunity. Presentation to Congressmen, scientists, and EPA. Lane, Ok. June 2003. Oklahoma watermelon cultivar evaluations.
Roberts, W. 2003. Consideration when selecting watermelon types. Grower Meeting. Wetumka. Feb, 2003.
Roberts, W. 2002. Conservation Tillage & Vegetable Production. Oklahoma Annual Watermelon Meeting. Chickasha. December, 2002.
Roberts, W. Cultural Crop Management of Watermelon. Melon production and pest management field meeting, Leon, OK. June 6, 2002.
Roberts, W. Fertilizers and Applications. Grower Meeting. Wetumka. Feb. 2002.
Roberts, W. M. Biernacki, J. Edelson, J. Duthie, J. Shrefler, M. Taylor, W. Lu. 2002. Watermelon Survey Findings for Oklahoma. 21st Annual Horticulture Industries Show, Tulsa Ok. Jan. 11-12, 2002.
Roberts, W. 2002. Watermelon production; past, present, and future. Atoka Lions Club. March, 2002.
W. Roberts, Shen, Z., J. Duthie, J. Edelson, P Perkins-Veazie. 2002. Lycopene Development in Watermelons. 21st Annual Horticulture Industries Show, Tulsa Ok. Jan. 11-12, 2002.
Roberts, W. 2001. Watermelon Cultivar Evaluations. Oklahoma Annual Watermelon Meeting. Chickasha. Ok. Dec. 2001.
Roberts, W. 2000. Watermelon Research – Determining Grower Needs. Oklahoma Annual Watermelon Meeting. Chickasha.
Roberts, W. and M. Biernacki. Watermelon Survey Status Report. 1999. Annual Oklahoma Watermelon Meeting, Chickasha, OK.
W. Roberts, J. Duthie, J. Edelson, J. Shrefler, and M. Taylor. 1999. Vegetable Yield and Soil Nutrient Changes with Poultry Litter Fertilizers. 18th Annual Horticulture Industries Show, Springdale, Arkansas, January 8-9, 1999.
W. Roberts, M. Biernacki, B. Bruton, J. Duthie, J. Edelson, S. Pair, J. Shrefler, M. Taylor, and P. Perkins-Veazie. 1999. A Changing Watermelon Industry. 18th Annual Horticulture Industries Show, Springdale, Arkansas, January 8-9, 1999.
Roberts, W. 1999. Watermelon Cultivar Evaluations. Oklahoma Annual Watermelon Meeting. Chickasha.
Roberts, W. 1998. Watermelon Plant Density and Row Arrangements. Oklahoma Annual Watermelon Meeting. Chickasha.
Bigger, W. B., J. Edelson, W. Roberts,, J. Duthie, J. Shrefler, M. Taylor. 1997. “Turn-Row” Mini Field Days. Marshall - Love - Jefferson Co’s. June, 1997.
Bigger, W. B., J. Edelson, W. Roberts,, J. Duthie, J. Shrefler, M. Taylor. 1997. “Turn-Row” Mini Field Days. Marshall - Love - Jefferson Co’s. July, 1997.
Bigger, W. B., J. Edelson, W. Roberts,, J. Duthie, J. Shrefler, M. Taylor. 1997. “Turn-Row” Mini Field Days. Caddo Co, July 1997.
Roberts, W. WWAREC Field Day, Lane, Ok. Aug, 1997.
Roberts, W. 1997. TV Appearance - Watermelon and Forages. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1997. TV Appearance - Watermelon Weed Control. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W., R. Marble, J. Collins. 1997. Science Fair Judge. Atoka County. March, 1997.
Roberts, W. 1997. County Fair Horticultural Judge. Atoka County. September , 1997.
Bigger, W. B., J. Edelson, W. Roberts,, J. Duthie, J. Shrefler. 1996. “Turn-Row” Mini Field Days. Marshall - Love - Jefferson Co’s. June 6.
Bigger, W. B., J. Edelson, W. Roberts,, J. Duthie, J. Shrefler. 1996. “Turn-Row” Mini Field Days. Marshall - Love - Jefferson Co’s. July 2.
Bigger, W. B., J. Edelson, W. Roberts,, J. Duthie, J. Shrefler. 1996. “Turn-Row” Mini Field Days. Marshall - Love - Jefferson Co’s. Aug 7.
Roberts, W. 1997. County Fair Horticultural Judge. Atoka County. September , 1996.
Roberts, W. 1997. County Fair Horticultural Judge. Coal County. September , 1996.
Roberts, W. 1996. TV Appearance - Cucurbits and Soil Temperatures. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1996. Leon Growers Meeting, Watermelon Soil Fertility and Plant Spacing, Feb 16.
Roberts, W. 1996. Bryan County Growers Meeting, Cucurbit Production - Row Spacing, Bedding, and Pumpkin Production. Feb 20.
Roberts, W. 1996. Hydro Growers Meeting. Watermelon Production and Plant Spacing. Jan. 23.
Roberts, W. 1996. District Extension Advisory Council. Ada, Ok.
Roberts, W. 1995. WWAREC & Farm Bureau Meeting, Lane, Ok. Feb. 14.
Roberts, W. 1995. TV Appearance - Cucurbits and Plant Nutrition. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison. March 15.
Roberts, W. 1995. TV Appearance - Cucurbit Planting Requirements. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison. April 20.
Roberts, W. 1995. Horticulture Tour - Berea College Agricultural Department. June 6.
Roberts, W. 1995. TV Appearance - Alternative Crops. Sunup. OETA. October 24.
Roberts, W. 1995. TV Appearance - Next Year’s Weed Control. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison. October 15.
Roberts, W. 1995. Hydro Growers Meeting. Watermelon Production. January 23.
Roberts, W. 1995. Watermelon Spacing. Field Day. WWAREC. Sept, 1995.
Roberts, W. 1995. Watermelon Herbicide Trials. Field Day. WWAREC. Sept, 1995.
Roberts, W. 1995. Cucumber - Poultry Litter Soil Fertility. Field Day. WWAREC. Sept, 1995.
Roberts, W. 1995. Jalapeno Pepper Cultivar x Fertility. Field Day. WWAREC. Sept, 1995.
Roberts, W. 1995. Pumpkin Cultivar Evaluations. Field Day. WWAREC. Sept, 1995.
Roberts, W., V. Wann, J. Collins. 1995. Science Fair Judge. Atoka County. February, 1995.
Roberts, W. 1994. County Fair Horticultural Judge. Coal County. September 8, 1994.
Roberts, W. 1994. County Fair Horticultural Judge. Atoka County. September 15, 1994.
Roberts, W. 1994. State Fair Horticultural Judge. Tulsa, Ok. September 29, 1994.
Roberts, W. 1994. Early Harvest of Watermelons, Cucurbit Field Day. WWAREC. Lane, Ok. Aug 3, 1994.
Roberts, W. 1994. Poultry Litter and Cucumbers, Cucurbit Field Day. WWAREC. Lane, Ok. Aug 3, 1994.
Roberts, W. 1994. Trellising X Planting Dates for Cucumbers, Cucurbit Field Day. WWAREC. Lane, Ok. Aug 3, 1994.
Roberts, W. 1994. Cucumber Variety Trials, Cucurbit Field Day. WWAREC. Lane, Ok. Aug 3, 1994.
Roberts, W. 1994. Blackberry Fertility and Poultry Litter. Small Fruits Field Day. October, 1994.
Roberts, W., J. Duthie, and B. Cartwright. 1994. Plant Spacing and Row Covers: Watermelon Management Techniques. Hydro Vegetable Meeting, Hydro, Ok. January 25, 1994.
Roberts, W.. 1994. Vegetable Varieties & Extending Your Growing Season. Creek County Growers Meeting. Feb. 12, 1994.
Roberts, W.. 1994. Watermelon Management: Plant Spacing and Season Extenders. Pottawatomie Co. Growers Meeting. Feb. 26, 1994.
Roberts, W. 1994. Cultural Management Techniques for Cucumber Production. Three-Rivers Growers Meeting. Feb. 22, 1994.
Roberts, W. 1994. Vegetable Management for Farmer's Markets. Checotoh, Ok. April 12, 1994.
Roberts, W., J. Duthie, and B. Cartwright. 1994. Plant Spacing Effects on Production of 'Allsweet' and 'Sugar Baby' Watermelons. Horticulture Industries Show Annual Meeting., Tulsa, Ok. January 7-8, 1994.
Roberts, W. 1994. TV Appearance - Horticulture Industies, Plans and Preparation. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1994. TV Appearance - Watermelons: Fruit Blotch and Seed Supplies. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1994. TV Appearance - Watermelons: Planning Ahead. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1993. Vegetable Production: Climate Effects and Modifications. Annual Field Day Seminar. WWAREC. Lane, Ok. Aug 11, 1993.
Roberts, W. 1993. Soil Management in Vegetable Production. Soil & Water Conservation Society Annual Meeting. Oklahoma City, OK. June 3, 1993.
Roberts, W. 1993. Soil Fertility & Management for Vegetable Production. Guest Lecture. OSU. Stillwater, Ok. November 17, 1993.
Roberts, W. 1993. Vegetable Production - Soil Management & Soil Fertility. Graduate Class Guest Lecture. OSU. Stillwater, Ok. May 25, 1993.
Roberts, W. 1993. Vegetable Production. Hughes-Pontotoc Grower Meeting. Allen, Ok. Nov. 8, 1993.
Roberts, W. 1993. What's New in Vegetable Production? Master-Gardener Training Meeting. OK City, Ok. Nov. 2, 1993.
Roberts, W. 1993. TV Appearance - Horticulture Industies, Plans and Preparation. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1993. TV Appearance - Fall Soil Preparation: Fertility and Weeds. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1993. Vegetable Production: Climate Effects and Modifications. Annual Field Day Seminar. WWAREC. Lane, Ok. Aug 11, 1993.
Roberts, W. and Julia Whitworth. 1993. Row Covers Protect Watermelons from Hail. Oklahoma Horticulture Industries Show Annual Meeting., Tulsa, Ok. January 7-8, 1993.
Roberts, W. 1993. TV Appearance - Row Covers and Mulches for Early Watermelon Yield. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. and Julia Whitworth. 1993. Row Covers Protect Watermelons from Hail. Oklahoma Horticulture Industries Show Annual Meeting., Tulsa, Ok. January 7-8, 1993.
Roberts, W. Soil Management for Vegetable Production. 1992. Three-Rivers Annual Growers Meeting. Atoka, Oklahoma.
Roberts, W. Soil Fertility and Cultural Practices for Vegetables. 1992. Carter County Growers Meeting. Ardmore, Oklahoma.
Roberts, W. Irrigation and Soil Fertility Vegetable Production. 1992. Bryan County Annual Growers Meeting. Durant, Oklahoma.
Roberts, W. 1992. TV Appearance - Soil Nitrogen Management. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1991. Diagnosing Nutritional Disorders. Oklahoma Horticulture Industries Show Annual Meeting. Tulsa, Ok. Jan 4-5, 1991.
Roberts, W. 1991. Fertilizer Efficiency: Nitrogen and Phosphorus. Oklahoma Horticulture Industries Show Annual Meeting. Tulsa, Ok. Jan 4-5, 1991.
Roberts, W. 1991. Soil Management for Cucurbits. WWAREC Winter Short Course. Lane, Ok. February, 1991.
Roberts, W. 1991. TV Appearance - Conservation Tillage. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1991. TV Appearance - Cabbage Production with Raised Beds and Conservation Tillage. Oklahoma Gardening. OETA.
Roberts, B.W. 1990. Comparing conventional and no-till production of cabbage, corn, and tomato. Oklahoma Horticulture Industries Show Annual Meeting., Tulsa, Ok. January 5-6, 1990.
Roberts, B.W. 1990. Comparing conventional and no-till production of cabbage, corn, and tomato. Oklahoma Horticulture Industries Show Annual Meeting., Tulsa, Ok. January 5-6, 1990.
Roberts, W. 1990. TV Appearance - Interview on Vegetable Production in Southeastern Oklahoma. Rudy Dockray Farm Show. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1990. TV Appearance - Interview on Vegetable Production with Conservation Tillage. SUNUP. OETA. KTEN-TV, Ada-Ardmore-Sherman-Denison.
Roberts, W. 1990. TV Appearance - Interview on Vegetable Production with Conservation Tillage. Texas Sustainable Agriculture Documentary. Texas Department of Agriculture.
Roberts, W. 1989. Feed the Soil, Feed the Plants, Feed the People. Oklahoma Horticulture Industries Show Annual Meeting. Tulsa, Ok. Jan. 1989.
Roberts, B.W. 1988. Trellised tomato production in
Western North Carolina. Oklahoma Horticulture Industries Show Annual Meeting.
Tulsa, Ok. Jan. 1988.
Cooperative Efforts in Grant Proposals
Grants (Pending):
Edelson, J, W. Roberts, and J. Damicone. 2003. Managing cucurbit crop vine decline disease in the south central U.S. SR-IPM. $119,000.
Roberts, W., M. Taylor, and J. Edelson. 2003. Improved Water Quality through Alternative Poultry Litter Products. EPA. $90,000.
Grants (Funded):
Edelson, J., W. Roberts, and M. Taylor. 2003. Alternative production practices for cucurbit crops in the south central U.S.A.. USDA/CSREES-Special Grants. $216,392.
Roberts, W., L. Brandenberger, P. Perkins-Veazie. 2003. Watermelon Cultivar Evaluations. Various Seed Companies (Syngenta, Hollar, Burrell, Shamrock, de Ruiter, Willhite, Asgrow, Abbott & Cobb). $3300.
P. Perkins-Veazie and W. Roberts. 2002-2003. Will altered levels of N-P-K affect the potassium and lycopene content of watermelon? PPI Institute. $3200.
W. Roberts and L. Brandenberger. 2002. Watermelon Cultivar Evaluation Trials. Syngenta, Burrell, Shamrock, De Ruiter. $800.
J. Edelson, W. Roberts, Taylor, M, J. Duthie. 2002. Effects of production practices on watermelon growth and productivity. USDA/CSREES-Special Grants. $168,390.
Roberts, W. and M. Taylor. 2002. Tomato Production with GroWonders CMS and GW Iron. GroWonders, Inc. $3425.
Shrefler, J., J.V. Edelson, W. Roberts, and M. Taylor. 2001. Melon Pest Manager – an internet based education system. USDA/CSREES-SRIPM. $33,276.
Taylor, M., J.V. Edelson, W. Roberts and J. Duthie. 2001. Effects of multiple abiotic and biotic factors on watermelon yield and production. USDA/CSREES-Special Grants. $168,390.
Roberts, B.W., J. Duthie, J.V. Edelson, M. Taylor and M. Biernacki. 2000. Uniformity and communication enhancement in the watermelon industry. National Watermelon Promotion Board. $5,000.
Edelson, J.V., J. Duthie, W. Roberts, and M. Taylor. 2000. Interaction of Multiple Biotic and Abiotic Factors on Watermelon Growth. USDA/CSREES-Special Grants. $168,390.
Walton, D., C. Webber, W. Roberts, B. Kahn, S. Gray, and V. Russo. 2000. Evaluation of summer and winter annual cover crops for no-till, no-herbicide vegetable production systems. $10,945. Kerr Center for Sustainable Agriculture.
Roberts, W. 1999. Evaluation of Plant Growth Regulators for Enhancement of Watermelon Growth and Yield. Griffin Corporation. $1000.
Fletcher, J., A. Wayadande, J. Motes, W. Roberts, W. Whitmore. 1999. Effect of row covers on
yellow vine disease of cucurbits. OSU-IPM. $15,000.
Roberts, B.W., J. Duthie, J.V. Edelson, M. Taylor and M. Biernacki. 1999. Uniformity and communication enhancement in the watermelon industry. National Watermelon Promotion Board. $3,000.