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United States Department of Agriculture

Agricultural Research Service

Warren E. Copes

Research Plant Pathologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Two novel Phytophthora species from an ornamental plant nursery pond in Mississippi - (Peer Reviewed Journal)
Yang, X., Copes, W.E., Hong, C. 2014. Two novel Phytophthora species from an ornamental plant nursery pond in Mississippi. FEMS Microbiology Letters. 118:72-82.
Fungicide timing rules to prevent azalea web blight damage - (Trade Journal) - (01-Jul-13)
Phytophthora mississippiae sp. nov., a new species recovered from irrigation reservoirs at a plant nursery in Mississippi Reprint Icon - (Peer Reviewed Journal)
Yang, X., Copes, W.E., Hong, C. 2013. Phytophthora mississippiae sp. nov., a new species recovered from irrigation reservoirs at a plant nursery in Mississippi. Journal of Plant Pathology & Microbiology. 4:180 doi:10.4172/2157.7471 1000180.
Fungicide timing rules to prevent azalea web blight damage - (Trade Journal)
Copes, W.E. 2013. Fungicide timing rules to prevent azalea web blight damage. Louisiana Nursery and Landscape Association. Spring 9-11.
Spread potential of binucleate Rhizoctonia from propagation floors to trays containing stem cuttings - (Abstract Only)
Copes, W.E. 2013. Spread potential of binucleate Rhizoctonia from propagation floors to trays containing stem cuttings. Phytopathology. 103(Suppl.2):30. http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-103-6-S2.1
Fungicide timing rules to prevent azalea web blight damage - (Trade Journal)
Copes, W.E. 2013. Fungicide timing rules to prevent azalea web blight damage. Mississippi Nursery and Landscape Association. Spring:9-11.
Chapter 21. chlorine dioxide - (Book / Chapter)
Copes, W.E., Chastagner, G., Benoit, B. 2014. Chapter 21. chlorine dioxide. American Phytopathological Society. pgs. 251-265.
Chapter 24. emerging technologies for irrigation water treatment - (Book / Chapter)
Elmer, W.H., Buck, J., Ahonsi, M.0., Copes, W.E. 2014. Chapter 24. emerging technologies for irrigation water treatment. American Phytopathological Society Press. pgs. 289-301.
Timing of fungicide sprays to prevent azalea web blight symptoms - (Abstract Only) - (24-Sep-12)
Timing of fungicides in relation to calendar date, weather, and disease thresholds to control Rhizoctonia web blight on container-grown azalea Reprint Icon - (Peer Reviewed Journal)
Copes, W.E., Hagan, A., Olive, J. 2012. Timing of fungicides in relation to calendar date, weather, and disease thresholds to control Rhizoctonia web blight on container-grown azalea. Crop Protection Journal. 42:273-280.
Rhizoctonia damping off stem canker and root rot - (Book / Chapter)
Copes, W.E., Benson, M.D. 2014. Rhizoctonia damping off stem canker and root rot. American Phytopathological Society Press. pgs 14-15.
Rhizoctonia web blight - (Book / Chapter)
Copes, W.E., Benson, M.D. 2014. Rhizoctonia web blight. American Phytopathological Society Press. pgs 15-19.
Timing of fungicide sprays to prevent azalea web blight symptoms - (Proceedings)
Copes, W.E., Hagan, A., Olive, J. 2012. Timing of fungicide sprays to prevent azalea web blight symptoms. International Plant Propagators Proceedings. 61.
Cutting propagation of azaleas using hot water treatments to control pathogens - (Proceedings)
Copes, W.E., Blythe, E. 2013. Cutting propagation of azaleas using hot water treatments to control pathogens. International Plant Propagators Proceedings. 61:231-236.
Response of azalea cuttings to leaf damage and leaf removal - (Proceedings)
Copes, W.E., Blythe, E. 2012. Response of azalea cuttings to leaf damage and leaf removal. Southern Nursery Association Research Conference. 57:287-290.
Propagating azalea stem cuttings free of binculeate Rhizoctonia spp - (Abstract Only)
Copes, W.E., Blythe, E.K. 2012. Propagating azalea stem cuttings free of binculeate Rhizoctonia spp. National IPM Symposium. 7:89.
Growth sensitivity of Corynespora cassiicola to Thiophanate-methyl, Iprodione, and Fludioxonil - (Peer Reviewed Journal)
Clark, J.S., Blythe, E.K., Copes, W.E., Windham, A.S., Bost, S.C., Windham, M.T. 2011. Growth sensitivity of Corynespora cassiicola to Thiophanate-methyl, Iprodione, and Fludioxonil. Plant Health Progress. doi:10.1094/PHP-2011-0926-03-RS.
Seasonal prevalence of species of binculeate rhizoctonia fungi in growing medium, leaf litter, and stems of container-grown azalea - (Peer Reviewed Journal)
Copes, W.E., Rodriquez-Carres, M., Toda, T., Rinehart, T.A., Cubeta, M.A. 2011. Seasonal prevalence of species of binculeate rhizoctonia fungi in growing medium, leaf litter, and stems of container-grown azalea. Plant Disease. 95:705-711.
Rooting response of azalea cultivars to hot water treatment used for pathogen conrol - (Peer Reviewed Journal)
Copes, W.E., Blythe, E. 2011. Rooting response of azalea cultivars to hot water treatment used for pathogen conrol. HortScience. 46:52-56.
Chemical and Hot Water Treatments to Eliminate Rhizoctonia From Azalea Stem Cuttings: Failures and Successes - (Proceedings)
Copes, W.E., Blythe, E. 2010. Chemical and Hot Water Treatments to Eliminate Rhizoctonia From Azalea Stem Cuttings: Failures and Successes. International Plant Propagators Proceedings. 59:562-565.
Rooting Response of Azalea Cultivars Using Hot Water Treatments to Control Pathogens - (Proceedings)
Copes, W.E., Blythe, E. 2010. Rooting Response of Azalea Cultivars Using Hot Water Treatments to Control Pathogens. Southern Nursery Association Research Conference. 55:319-322.
Rhizoctonia web blight development on container-grown azalea in relation to time and environmental factors - (Peer Reviewed Journal)
Copes, W.E., Scherm, H. 2010. Rhizoctonia web blight development on container-grown azalea in relation to time and environmental factors. Plant Disease. 94:891-897.
Effects of hydrostatic pressure, agitation and CO2 stress on Phytophthora nicotianae zoospore survival Reprint Icon - (Peer Reviewed Journal)
Ahonsi, M.O., Banko, T.J., Doane, S.R., Demuren, A.O., Copes, W.E., Hong, C. 2010. Effects of hydrostatic pressure, agitation and CO2 stress on Phytophthora nicotianae zoospore survival. Pesticide Management Science. 66(7):696-704.
Rhizoctonia web blight on azalea Reprint Icon - (Trade Journal)
Copes, W.E. 2010. Rhizoctonia web blight on azalea. Mississippi Nursery and Landscape Association, winter 2010, pg 8,23.
Azalea Web Blight Control: Fungicide Timing in the Nursery and Hot Water Treatment of Stem Cuttings - (Proceedings)
Copes, W.E., Hagan, A., Olive, J., Blythe, E. 2009. Azalea Web Blight Control: Fungicide Timing in the Nursery and Hot Water Treatment of Stem Cuttings. Extension Publications. 36:11.
Rate and Intervals of Hydrogen Dioxide Applications to Control Puccinia hemerocallidis on Daylily - (Peer Reviewed Journal)
Copes, W.E. 2009. Rate and Intervals of Hydrogen Dioxide Applications to Control Puccinia hemerocallidis on Daylily. Crop Protection. 28:24-29.
Chemical and hot water treatments to control rhizoctonia AGP infesting stem cuttings of azalea - (Peer Reviewed Journal)
Copes, W.E., Blythe, E. 2009. Chemical and hot water treatments to control rhizoctonia AGP infesting stem cuttings of azalea. HortScience. 44(5):1370-1376.
Effects of Gelling Agents on pH on In-Vitro Urediniospore Germination and Germ-Tube Elongation of Puccinia hemerocallidis - (Peer Reviewed Journal)
Li, Y.H., Trigiano, R.N., Windham, M.T., Vito, L.M., Fare, D.C., Spiers, J.M., Copes, W.E. 2009. Effects of Gelling Agents on pH on In-Vitro Urediniospore Germination and Germ-Tube Elongation of Puccinia hemerocallidis. Canadian Journal of Plant Pathology Vol. 31 pg.163-168.
Seasonal presence of Rhizoctonia species in container-grown azalea Reprint Icon - (Proceedings)
Copes, W.E., Cubeta, M.A., Toda, T., Rinehart, T.A. 2009. Seasonal presence of Rhizoctonia species in container-grown azalea. Southern Nursery Association Research Conference. 54:66-68.
Chemical and Hot Water Treatments to Control Rhizoctonia on Infected Azalea Stem Cuttings Reprint Icon - (Proceedings)
Copes, W.E., Blythe, E. 2009. Chemical and Hot Water Treatments to Control Rhizoctonia on Infected Azalea Stem Cuttings. Southern Nursery Association Research Conference 54:63-65.
Modeling disease progression of camellia twig blight using a recurrent event model. - (Peer Reviewed Journal)
Thomson, J.L., Copes, W.E. 2009. Modeling disease progression of camellia twig blight using a recurrent event model. Phytopathology. 99(4):378-384.
Concentration and Intervals of Hydrogen Dioxide Applications to Control Puccinia hermerocallidis on Daylily - (Peer Reviewed Journal)
Copes, W.E. 2009. Concentration and Intervals of Hydrogen Dioxide Applications to Control Puccinia hermerocallidis on Daylily. Crop Protection. 28:24-29.
Risk of Rhizoctonia Web Blight Development on Container-Grown Azalea - (Abstract Only)
Copes, W.E., Scherm, H. 2008. Risk of Rhizoctonia Web Blight Development on Container-Grown Azalea. International Rhizoctonia Symposium 20-22 August 2008, Berlin (d) p.35.
Rhizoctonia Species Associated With Bark Media and Plant Strata of Container-Grown Azalea - (Abstract Only)
Copes, W.E., Cubeta, M.A., Toda, T., Rinehart, T.A. 2008. Rhizoctonia Species Associated With Bark Media and Plant Strata of Container-Grown Azalea. International Rhizoctonia Symposium 20-22 August 2008, Berlin (D) p40.
Spore Germination, Infection Structure Formation and Colony Development of Erysiphe Pulchra on Dogwood Leaves and Glass Slides - (Peer Reviewed Journal)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Spore germination, infection structure formation and colony development of erysiphe pulchra on dogwood leaves and glass slides. Plant Disease 89:1301-1304.
A Pictorial Disease Severity Key and the Relationship Between Severity and Incidence for Black Root Rot of Pansy Caused by Thielaviopsis Basicola - (Peer Reviewed Journal)
Copes, W.E., Stevenson, K. 2008. A pictorial disease severity key and the relationship between severity and incidence for black root rot of pansy caused by thielaviopsis basicola. Plant Disease 92:1394-1399.
Survival Analysis to Determine the Length of the Incubation Period of Camellia Twig Blight Caused by Colletorichum gloeosporioides - (Peer Reviewed Journal)
Copes, W.E., Thomson, J.L. 2008. Survival Analysis to Determine the Length of the Incubation Period of Camellia Twig Blight Caused by Colletorichum gloeosporioides. Plant Disease 92:1177-1182. 2008.
Integrated Disease Management: Evaluating Its Parts to Get the Most Control for the Least Effort - (Proceedings)
Copes, W.E. 2007. Integrated Disease Management: Evaluating Its Parts to Get the Most Control for the Least Effort. Proceedings of 34th Annual Horticulture Field Day. 34:1-2.
Controlling Foliar Disease with ZeroTol - (Proceedings)
Copes, W.E. 2008. Controlling Foliar Disease with ZeroTol. Southern Nursery Association Proceedings. 52:38-40.
Seasonal Responses in the Time it Takes for Camellia Twig Blight Symptoms to Develop - (Proceedings)
Copes, W.E., Thomson, J.L. 2008. Seasonal Responses in the Time it Takes for Camellia Twig Blight Symptoms to Develop. Southern Nursery Association Research Conference. 52:13-15.
No Spray' Rose Cultivars for the Mid South - (Proceedings)
Mynes, J., Windham, M.T., Windham, A., Li, Y., Spiers, J.M., Copes, W.E. 2008. No Spray' Rose Cultivars for the Mid South. Southern Nursery Association Research Conference 52:16-19.
Evaluation for Resistance to Powdery Mildew in Cornus Species and Hybrids Using a Leafy Disk Assay - (Peer Reviewed Journal)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2007. Evaluation for Resistance to Powdery Mildew in Cornus Species and Hybrids Using a Leafy Disk Assay. Journal of Environmental Horticulture 23:131-133.
Controlling Foliar Disease with ZeroTol - (Trade Journal)
Copes, W.E. 2007. Controlling Foliar Disease with ZeroTol. Mississippi Nursery and Landscape Associaiton Newsletter April/Spring. pgs.16,17.
Microscopic and Macroscopic Studies of the Development of Puccinia hemerocallidis in Resistant and Susceptible Daylily Cultivars - (Peer Reviewed Journal)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2007. Microscopic and Macroscopic Studies of the Development of Puccinia hemerocallidis in Resistant and Susceptible Daylily Cultivars. Plant Disease. 91(6):644-663.
Mechanics of Disease Control in Production Operations - (Proceedings)
Copes, W.E. 2006. Mechanics of Disease Control in Production Operations. Proceedings of 33rd Annual Horticulture Field Day. 33:19.
Research on Rhizoctonia Web Blight on Azalea - (Trade Journal)
Copes, W.E. 2006. Research on Rhizoctonia Web Blight on Azalea. Louisiana Nursery and Landscape Association Newsletter. 29(3):21,17.
Research on Rhizoctonia Web Blight on Azalea - (Trade Journal)
Copes, W.E. 2006. Research on Rhizoctonia Web Blight on Azalea. Mississippi Nursery and Landscape Association Newsletter. October/Fall:6,8,21.
Resistance to Foliar Diseases in Rosa sp - (Proceedings)
Mynes, J., Copes, W.E., Spiers, J.M., Edwards Jr, N.C., Trigiano, R.N., Windham, A., Windham, M. 2007. Resistance to Foliar Diseases in Rosa sp. Southern Nursery Association Research Conference. 51:206-208.
Irrigation Effects on the Spread of Corynespora Leaf Spot on African Violets - (Proceedings)
Ross, H., Windham, A., Trigiano, R., Copes, W.E., Windham, M. 2007. Irrigation effects on the spread of Corynespora leaf spot on African violets. Southern Nursery Association Research Conference. 51:184-186.
Microscopic and Macroscopic Studies on Resistance Responses to Daylily Rust - (Proceedings)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2007. Microscopic and Macroscopic Studies on Resistance Responses to Daylily Rust. Southern Nursery Association Research Conference 51:234-238.
Epidemiology of Powdery Mildew on Resistant and Susceptible Flowering Dogwood Cultivars - (Proceedings)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2007. Epidemiology of Powdery Mildew on Resistant and Susceptible Flowering Dogwood Cultivars. Southern Nursery Association Research Conference 51:239-243.
Microscopic and Macroscopic Studies on the Development of Puccinia hemerocallidis in Resistance and Susceptible Daylily Cultivars - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2006. Microscopic and Macroscopic Studies on the Development of Puccinia hemerocallidis in Resistance and Susceptible Daylily Cultivars. American Society of Horticulture Science Meeting. 95:S60.
Epidemiology of Powedery Mildew on Flowering Dogwood in Tennessee - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2006. Epidemiology of Powedery Mildew on Flowering Dogwood in Tennessee. Phytopathology 96:S186.
Genetic characterization of binucleate Rhizoctonia species causing web blight on azelea in Mississippi and Alabama - (Peer Reviewed Journal)
Rinehart, T.A., Copes, W.E., Toda, T., Cubeta, M.A. 2006. Genetic characterization of binucleate Rhizoctonia species causing web blight on azelea in Mississippi and Alabama. Plant Disease. 91:616-623..
Development of Erysiphe Pulchram, the Causal Agent of Powdery Mildew, on Leaf Disks of Susceptible and Resistant Flowering Dogwood (Cornus Florida) - (Peer Reviewed Journal)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2006. Component on Resistant to Powdery Mildew Caused by Erysiphe pulchra on Flowering Dogwood. Canadian Journal of Plant Pathology. 28:71-76.
Genetic and Physical Characterization of Binucleate Rhizoctonia Species Causing Web Blight on Azalea - (Proceedings)
Rinehart, T.A., Copes, W.E., Cubeta, M.A. 2005. Genetic and Physical Characterization of Binucleate Rhizoctonia Species Causing Web Blight on Azalea. Southern Nursery Association Research Conference. pp 260-264.
Resistance of Daylily Cultivars to Rust - (Proceedings)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2006. Resistance of daylily cultivars to rust. Southern Nursery Association Proceedings 50:275-277.
Development of Powdery Mildew on Resistant and Susceptible Dogwood Cultivars - (Proceedings)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2006. Development of powdery mildew on resistant and susceptible dogwood cultivars. Southern Nursery Association Research Conference 50:247-250.
Genetic, Pathogenic, and Phenotypic Characterization of Rhizoctonia Spp. Isolated from Container-Grown Azalea in the Southern United States - (Abstract Only)
Rinehart, T.A., Copes, W.E., Cubeta, M.A. 2005. Genetic, pathogenic, and phenotypic characterization of rhizoctonia spp. isolated from container-grown azalea in the southern united states. Phytopathology.
Effects of Media and Ph on Urediniospore Germination and Germ-Tube Elongation of Puccinia Hemerocallidis - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Effects of media and ph on urediniospore germination and germ-tube elongation of puccinia hemerocallidis. American Phytopathological Society Annual Meeting 95:S60.
Components of Resistance to Powdery Mildew in Flowering Dowgood - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Components of resistance to powdery mildew in flowering dowgood. American Phytopathological Society Annual Meeting 95:S60.
Infection Process of Erysiphe Pulchra on Flowering Dogwood Leaves and Glass Slides - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Infection process of erysiphe pulchra on flowering dogwood leaves and glass slides. American Phytopathological Society Annual Meeting 95:S61.
Resistance Reaction of Daylily Cultivars to Puccinia Hemerocallidis - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Reactions of Daylily Cultivar Varying in Disease Resistance to Puccinia Hemerocallidis. American Phytopathological Society Annual Meeting. 95:S61.
Components of Resistance to Powdery Mildew in Flowering Dogwood - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Components of resistance to powdery mildew in flowering dogwood. Phytopathology. 95:S60.
Infection Process of Erysiphe Pulchra on Flowering Dogwood Leaves and Glass Slides - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Infection Process of Erysiphe Pulchra on Flowering Dogwood Leaves and Glass Slides. Phytopathology. 95:S61.
Resistance Reactions of Daylily Cultivars to Puccinia Hemerocallidis - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Resistance Reactions of Daylily Cultivars to Puccinia hemerocallidis. Phytopathology. 95:S61.
Effects of Media and PH on Urediniospore Germination and Germ-Tube Elongation of Puccinia hemerocallidis - (Abstract Only)
Li, Y.H., Windham, M.T., Trigiano, R.N., Fare, D.C., Spiers, J.M., Copes, W.E. 2005. Effects of Media and PH on Urediniospore Germination and Germ-Tube Elongation of Puccinia hemerocallidis. Phytopathology. 95:S60.
Plant Spacing Effects on Microclimate and Rhizoctonia Web Blight Development in Container-Grown Azalea - (Peer Reviewed Journal)
Copes, W.E., Scherm, H. 2005. Plant spacing effects on microclimate and rhizoctonia web blight development in container-grown azalea. Hortscience. 40:1408-1412.
Genetic Diversity and Molecular Detection of Rhizoctonia in Nursery Environments - (Abstract Only)
Rinehart, T.A., Copes, W.E. 2004. Genetic diversity and molecular detection of rhizoctonia in nursery environments. Meeting Abstract.
Effect of Plant Spacing on Microclimate and Rhizoctonia Web Blight Development in Container Grown Azalea - (Proceedings)
Copes, W.E., Scherm, H. 2005. Effect of Plant Spacing on Microclimate and Rhizoctonia Web Blight Development in Container Grown Azalea. Southern Nursery Association Research Conference. 49:247-249.
Inoculation Efficacy of the Medium Used for Suspension of Puccinia hemerocallidis Urediniospores - (Proceedings)
Cheatham, C.L., Copes, W.E. 2005. Inoculation Efficacy of the Medium Used for Suspension of Puccinia hemerocallidis Urediniospores. Southern Nursery Association Research Conference. 49:243-246.
A First Report of Daylily Rust in Tennessee - (Proceedings)
Windham, A.S., Windham, M.T., Stebbins, T.C., Copes, W.E., Self, L.H. 2004. A first report of daylily rust in tennessee. Southern Nursery Association Proceedings 49:231-232.
Toxicity Responses of Herbaceous and Woody Ornamental Plants to Chlorine and Hydrogen Dioxides - (Proceedings)
Copes, W.E., Chastagner, G.A., Hummel, R.L. 2003. Toxicity responses of herbaceous and woody ornamental plants to chlorine and hydrogen dioxides. Southern Nursery Association Research Conference Proceedings. 47:215-218
Molecular Approaches to Control Puccinia Hemerocallidis on Daylily - (Abstract Only)
Sakhanokho, H.F., Copes, W.E., Nyochembeng, L.M., Kelley, R.Y. 2004. Molecular approaches to control puccinia hemerocallidis on daylily. Meeting Abstract. Biotechnology Symposium. pp.18
Dose Curves of Disinfestants Applied to Plant Production Surfaces Control Botrytis Cinerea - (Peer Reviewed Journal)
Copes, W.E. 2004. Dose curves of disinfestants applied to plant production surfaces for control of Botrytis cinerea. Plant Disease. 88:509-515
Effect of Temperature on Sporulation of Botryosphaeria Dothidea, B. Obtusa, and B. Rhodina. - (Peer Reviewed Journal)
Copes, W.E., Hendrix, F.F. 2004. Effect of temperature on sporulation of botryosphaeria dothidea, b. obtusa, and b. rhodina. Plant Disease. 88:292-296.
Rhizoctonia in Container Grown Azalea, and Camellia Twig Blight: Incubation and Latency Periods - (Proceedings)
Copes, W.E. 2003. Rhizoctonia in Container Grown Azalea, and Camellia Twig Blight: Incubation and Latency Periods. Proceedings of 31th Annual Horticulture Field Day. 31:29.
Disinfectants - The Rate Matters - (Proceedings)
Copes, W.E. 2003. Disinfectants - The Rate Matters. Proc 31th Annual Horticulture Field Day. 31:27.
Activity of Chlorine Dioxide in a Solution of Ions and Ph Against Thielariopsis Basicola and Fusarium Oxysporum. - (Peer Reviewed Journal)
Copes, W.E., Chastaganer, G.A., Hummel, R.L. 2004. Activity of chlorine dioxide in a solution of ions and pH against Thielariopsis basicola and Fusarium oxysporum.. Plant Disease. 88:188-194.
Efficacy of Disinfestants Applied to Plant Production Surfaces - (Proceedings)
Copes, W.E. 2004. Efficacy of Disinfestants Applied to Plant Production Surfaces. Southern Nursery Association Research Conference. 48:218-220.
Temperature Effect on Sporulation of Botryosphaeria Dothidea, B. Obtusa, and B. Rhodina - (Abstract Only)
Copes, W.E., Hendrix, F.F. 2004. Temperature effect on sporulation of botryosphaeria dothidea, b. obtusa, and b. rhodina. Phytopathology. 93:S17
Dose Curves of Disinfestants Applied to Plant Production Surfaces for Control of Botrytis Cinerea. - (Abstract Only)
Copes, W.E. 2003. Dose curves of disinfestants applied to plant production surfaces for control of botrytis cinerea.. Phytopathology. 93:S17
Toxicity Responses of Herbaceous and Woody Ornamental Plants to Chlorine and Hydrogen Dioxides - (Peer Reviewed Journal)
Copes, W.E., Chastagner, G.A., Hummel, R.L. 2003. Toxicity responses of herbaceous and woody ornamental plants to chlorine and hydrogen dioxides. Plant Health Progress. dol:1094/PHP-2003-0311-01-RS.
Potential Toxicity of Chlorine and Hydrogen Dioxides on Herbaceous and Woody Ornamental Crops. - (Abstract Only)
Copes, W.E., Chastagner, G.A., Hummel, R.L. 2002. Potential toxicity of chlorine and hydrogen dioxides on herbaceous and woody ornamental crops.Phytopathology. 92:S148.
Potential Use of Chlorine Dioxide to Control Diseases in Ornamental Plant Production Systems - (Proceedings)
Copes, W.E., Chastagner, G.A. 2002. Potential Use of Chlorine Dioxide to Control Diseases in Ornamental Plant Production Systems. Combined Proc. Intl. Plant Propagators' Soc. 51:275-279.
Influence of Selected Inorganic Ions and PH on Fungicidal Activity of Chlorine Dioxide in Water - (Proceedings)
Copes, W.E., Chastagner, G.A., Hummel, R.L. 2002. Influence of Selected Inorganic Ions and PH on Fungicidal Activity of Chlorine Dioxide in Water. Southern Nursery Association Proceedings. 46:282-284.
Diseases (Chapter 10) In. Muscadine Grapes - (Book / Chapter)
Chen, J., Copes, W.E., Miller, R.W., Lamikanra, O. 2001. Diseases (chapter 10) in. muscadine grapes. ASHS Press. 158-209
Influence of Select Inorganic Elements and Ph on the Fungicidal Activity of Chlorine Dioxide in Water - (Proceedings)
Copes, W.E. 2002. Influence of select inorganic elements and ph on the fungicidal activity of chlorine dioxide in water. Southern Nursery Association Research Conference Proceedings. 46:282-284
Influence of Select Inorganic Ions and Ph on Fungicidal Activity of Chlorine Dioxide in Water - (Abstract Only)
Copes, W.E. 2001. Influence of select inorganic ions and ph on fungicidal activity of chlorine dioxide in water. Phytopathology. 94:S21
Last Modified: 4/13/2010
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