Publications
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Efficacy of peroxygen disinfestants against non-fungal plant pathogens in agricultural and horticultural production: A systematic review and meta-analysis.
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(Peer Reviewed Journal)
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Copes, W.E. 2024. Efficacy of peroxygen disinfestants against non-fungal plant pathogens in agricultural and horticultural production: A systematic review and meta-analysis. Crop Protection. https://doi.org/10.3389/fhort.2023.1228494.
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Environmental Influences on the Evaporation Rate of Horticultural Disinfestants
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(Peer Reviewed Journal)
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Genomic and transcriptomic comparisons of the twig blight pathogen, Passalora sequoiae with Mycosphaereallaceae foliar and conifer pathogens
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(Peer Reviewed Journal)
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Dobbs, J.T., Caballero, J.R., Ata, J.P., Babiker, E.M., Copes, W.E., Stewart, J.E. 2023. Genomic and transcriptomic comparisons of the twig blight pathogen, Passalora sequoiae with Mycosphaereallaceae foliar and conifer pathogens. Phytopathology. https://doi.org/10.1094/PHYTO-08-23-0271-R.
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Efficacy of Peroxygen Disinfestants Against Fungal Plant Pathogens: A Systemic Review and Meta-Analysis.
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(Peer Reviewed Journal)
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Copes, W.E. and Ojiambo, P.S. Efficacy of peroxygen disinfestants against fungal plant pathogens. A systematic review and meta-analysis. Crop Protection 164:106143. 2023. https://doi.org/10.1016/j.cropro.2022.106143.
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A Systematic Review and Quantitative Synthesis of the Efficacy of Quaternary Ammonium Compounds Disinfectants Against Fungal Plant Pathogens
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(Peer Reviewed Journal)
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Copes, W.E., Ojiambo, P. 2023. A Systematic Review and Quantitative Synthesis of the Efficacy of Quaternary Ammonium Compounds Disinfectants Against Fungal Plant Pathogens. Plant Disease. 107(2):480-492. https://doi.org/10.1094/PDIS-09-21-2018-RE.
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Complete genome sequence resource for pseudomonas amygdali pv. loropetali strain AAC causing bacterial gall of loropetalum chinense
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(Peer Reviewed Journal)
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Jia, J., Copes, W.E., Phillips, K., Lu, S. 2022. Complete genome sequence resource for pseudomonas amygdali pv. loropetali strain AAC causing bacterial gall of loropetalum chinense. Plant Disease. 106(9):0191-2917. https://doi.org/10.1094/PDIS-04-22-0919-A.
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Sanitation: Disease Control from Start to Finish
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Disinfestants
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Efficacy of hypochlorite in disinfesting non-fungal plant pathogens in agricultural and horticultural plant production: A meta-analysis.
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(Peer Reviewed Journal)
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Copes, W.E., Ojiambo, P.S. 2021. Efficacy of hypochlorite in disinfesting non-fungal plant pathogens in agricultural and horticultural plant production: A meta-analysis.. Plant Disease. 105:4084-4094.
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Efficacy of Hypochlorite in eliminating non-fungal palnt pathogens in agricultural and horticultural plant production: A meta-analysis
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(Peer Reviewed Journal)
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Copes, W.E., Ojiambo, P.S. 2021. Efficacy of Hypochlorite in eliminating non-fungal palnt pathogens in agricultural and horticultural plant production: A meta-analysis. Plant Disease. https://doi.org/10.1094/PDIS-09-20-2046-RE.
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Comparative performance of sanitizers in managing plant-to-plant transfer and postharvest infection of Calonectria pseudonaviculata and Pseudonectria foliicola on Boxwood
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(Peer Reviewed Journal)
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Bika, R., Copes, W.E., Baysal-Gurel, F. 2021. Comparative performance of sanitizers in managing plant-to-plant transfer and postharvest infection of Calonectria pseudonaviculata and Pseudonectria foliicola on Boxwood. Plant Disease. https://doi.org/10.1094/PDIS-03-21-0481-RE.
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Draft genome assembly of Passalora sequoiae a needle blight pathogen on leyland cypress
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(Peer Reviewed Journal)
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Copes, W.E., Ibarra Caballero, J., Babiker, E.M., Stewart, J.E., Orner, V.A., Windham, A.S., Arias De Ares, R.S. 2020. Draft genome assembly of Passalora sequoiae a needle blight pathogen on leyland cypress. BMC Research Notes. 13:505. https://doi.org/10.1186/s13104-020-05328-3.
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Efficacy of hypochlorite as a disinfestant against fungal pathogens in agricultural and horticultural plant production: a systematic review and meta-analysis
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(Peer Reviewed Journal)
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Copes, W.E., Ojiambo, P.S. 2021. Efficacy of hypochlorite as a disinfestant against fungal pathogens in agricultural and horticultural plant production: a systematic review and meta-analysis. Phytopathology. 111:1369-1379. https://doi.org/10.1094/PHYTO-05-20-0201-R.
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Eliminating the loropetalum knot bacterium from stainless steel, pressure-treated wood and loropetalum stem surfaces
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Copes, W.E. 2020. Eliminating the loropetalum knot bacterium from stainless steel, pressure-treated wood and loropetalum stem surfaces. Louisiana Nursery and Landscape Association. 70:39.
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Control of Pseudomonas amygdali pv. loropetali on metal, wood, and Loropetalum chinense stem surfaces
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(Peer Reviewed Journal)
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Copes, W.E., Mavrodi, O.V., Mavrodi, D.V. 2020. Control of Pseudomonas amygdali pv. loropetali on metal, wood, and Loropetalum chinense stem surfaces. Plant Health Progress. 20(4):270-277. https://doi.org/10.1094/PHP-09-19-0068-RS.
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Monthly Levels and Criteria Considerations of Nutrient, pH, Alkalinity and Ionic Variables in Runoff Containment Basins in Ornamental Plant Nurseries
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(Abstract Only)
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Copes, W.E., Ristvey, A., Richardson, P.A., Belayneh, B.E., Zang, H., Lea-Cox, J., Hong, C. 2018. Monthly Levels and Criteria Considerations of Nutrient, pH, Alkalinity and Ionic Variables in Runoff Containment Basins in Ornamental Plant Nurseries. American Society of Horticulture Science Meeting. 53:S76.
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Meta-analysis of chlorine usage as a disinfestant in plant production
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(Abstract Only)
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Copes, W.E. 2018. Meta-analysis of chlorine usage as a disinfestant in plant production. International Congress of Plant Pathology Abstracts and Proceedings. 10:S1.163.
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Use of Disinfestants to Control Plant Pathogens
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Copes, W.E. 2019. Use of Disinfestants to Control Plant Pathogens. In: Pscheidt, J.W., and Ocamb, C.M., senior editors. Pacific North West Plant Disease Management Handbook. Corvallis, OR: Oregon State University
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Monthly levels and criteria considerations of nutrient, pH, slkalinity and ionic Variables in runoff containment basins in ornamental plant nurseries
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(Peer Reviewed Journal)
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Copes, W.E., Zhang, H., Richardson, P.A., Belayneh, B.E., Ristvey, A., Lea-Cox, J., Hong, C. 2018. Monthly levels and criteria considerations of nutrient, pH, slkalinity and ionic Variables in runoff containment basins in ornamental plant nurseries. HortScience. 53(3):360–372.
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Environmental Factors Impact Temporal Passalora sequoiae Conidia Counts from Leyland Cypress
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(Abstract Only)
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Williams-Woodward, J.L., Copes, W.E. 2017. Environmental Factors Impact Temporal Passalora sequoiae Conidia Counts from Leyland Cypress. American Phytopathological Society. S5.110.
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Environmental factors impact Passalora sequoiae conidia counts from Leyland Cypress
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(Peer Reviewed Journal)
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Williams-Woodward, J.L., Copes, W.E. 2017. Environmental factors impact Passalora sequoiae conidia counts from Leyland Cypress. Journal of Phytopathology. 165:538-546.
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Nutrient, pH, alkalinity, and ionic property levels in run-off containment basins in Alabama, Louisiana, Maryland, Mississippi and Virginia ornamental plant nurseries
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(Peer Reviewed Journal)
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Copes, W.E., Zhang, H., Richardson, P.A., Belayneh, B.E., Ristvey, A., Lea-Cox, J., Hong, C. 2017. Nutrient, pH, alkalinity, and ionic property levels in run-off containment basins in Alabama, Louisiana, Maryland, Mississippi and Virginia ornamental plant nurseries. HortScience. 52:461–468.
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Chapter 9. Sanitation for Management of Florists' Crops Diseases
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Copes, W.E. 2018. Chapter 9. Sanitation for Management of Florists’ Crops Diseases. Pages 201-236 in: Handbook of Florists' Crops Diseases. R. J. McGovern and W. H. Elmer (eds.) Springer, Berlin Heidelberg, Germany.
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Recycling irrigation reservoir stratification and implications for crop health and production.
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(Peer Reviewed Journal)
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Zhang, H., Richardson, P.A., Belayneh, B.E., Ristvey, A., Lea-Cox, J., Copes, W.E., Moorman, G. W., and Hong, C. 2016. Recycling irrigation reservoir stratification and implications for crop health and production. Journal of the American Water Resources Association 1-12. DOI: 10-1111/1752-1688.12411. 2016.
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Well Water Can Be Free of Phytophthora species.
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Copes, W.E., Yang, X., Hong, C. 2015. Well Water Can Be Free of Phytophthora species.. SCRI Project Fact Sheet Pathogen Mitigation Series.#5.
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Comparative analysis of water quality between runoff entrance and middle of recycling irrigation reservoirs
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(Peer Reviewed Journal)
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Zhang, H., Richardson, P.A., Belayneh, B.E., Ristvey, A., Lea-Cox, J., Copes, W.E., Hong, C. 2015. Comparative analysis of water quality between runoff entrance and middle of recycling irrigation reservoirs. Water. 7:3861-3877; doi:10.3390/w7073861. 2015.
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Characterization of water quality in stratified nursery recycling irrigation reservoirs.
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(Peer Reviewed Journal)
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Zhang, H., Richardson, P.A., Belayneh, B.E., Ristvey, A., Lea-Cox, J., Copes, W.E., Hong, C. 2015. Characterization of water quality in stratified nursery recycling irrigation reservoirs.. Agricultural Water Management. 160:63-83.
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Building Crop Health into Water Recycling Systems
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(Abstract Only)
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Kong, P., Richardson, P., Yang, X., Zhang, H., Ghimire, S.R., Moorman, G.W., Lea-Cox, J.D., Copes, W.E., Ross, D.S., Ristvey, A.G., Boyle, K.J., Bosch, D., Pease, J., Hong, C.X. 2015. Building Crop Health into Water Recycling Systems. International Plant Protection Congress. O IRR 1:119.
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Phytophthora species recovered from irrigation reservoirs in Mississippi and Alabama nurseries and pathogenicity of three new species
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(Abstract Only)
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Copes, W.E., Yang, X., Hong, C. 2015. Phytophthora species recovered from irrigation reservoirs in Mississippi and Alabama nurseries and pathogenicity of three new species. APS Annual Meeting. 104.
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Phytophthora species recovered from irrigation reservoirs in Mississippi and Alabama nurseries and pathogenicity of three new species.
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(Peer Reviewed Journal)
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Copes, W.E., Yang, X., and Hong, C.X. Phytophthora species recovered from irrigation reservoirs in Mississippi and Alabama nurseries and pathogenicity of three new species. Plant Disease 99:1390-1395.
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Spread potential of binucleate Rhizoctonia from nursery propagation floors to trays containing azalea stem cuttings and sanitary control options
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(Peer Reviewed Journal)
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Copes, W.E. 2015. Spread potential of binucleate Rhizoctonia from nursery propagation floors to trays containing azalea stem cuttings and sanitary control options. Plant Disease. 99:842-847.
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Potential of spreading binucleate Rhizoctonia from nursery propagation floors to trays containing azalea stem cuttings
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(Abstract Only)
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Copes, W.E. 2014. Potential of spreading binucleate Rhizoctonia from nursery propagation floors to trays containing azalea stem cuttings. Ornamental Workshop on Diseases and Insects. 1.
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Weather-Based forecasting of Rhizoctonia web blight development on container-grown azalea
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(Peer Reviewed Journal)
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Copes, W.E. 2015. Weather-Based forecasting of Rhizoctonia web blight development on container-grown azalea. Plant Disease. 99:100-105.
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Alternative disinfectant water treatments
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(Abstract Only)
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Copes, W.E. 2014. Alternative disinfectant water treatments. Irrigation pathogens and water quality webinar series. 1.
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Sanitation Can Be A Foundation Disease Management Tool: Potential Of Spreading Binucleate Rhizoctonia from Nursery Propagation Floors To Trays Containing Azalea Stem Cuttings
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(Proceedings)
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Copes, W.E. 2014. Sanitation Can Be A Foundation Disease Management Tool: Potential Of Spreading Binucleate Rhizoctonia from Nursery Propagation Floors To Trays Containing Azalea Stem Cuttings. International Plant Propagators Proceedings. 63:475-477.
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Two novel species representing a new clade and cluster of Phytophthora
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(Peer Reviewed Journal)
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Yang, X., Copes, W.E., Hong, C. 2014. Two novel species representing a new clade and cluster of Phytophthora. Fungal Biology. 118:72-82.
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Fungicide timing rules to prevent azalea web blight damage
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Phytophthora mississippiae sp. nov., a new species recovered from irrigation reservoirs at a plant nursery in Mississippi
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(Peer Reviewed Journal)
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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. 4:5 doi:10.4172/2157.7471 1000180.
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Fungicide timing rules to prevent azalea web blight damage
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Copes, W.E. 2013. Fungicide Timing Rules to Prevent Azalea Web Blight Damage. Louisiana Nursery and Landscape Association Newsletter 42:17,20. 2013
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Spread potential of binucleate Rhizoctonia from propagation floors to trays containing stem cuttings
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(Abstract Only)
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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
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Three novel phytophthora species from irrigation water in Mississippi
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(Abstract Only)
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Yang, X., Copes, W.E., Hong, C. 2013. Three novel phytophthora species from irrigation water in Mississippi. Phytopathology. 103:S2.164.
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Fungicide timing rules to prevent azalea web blight damage
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Copes, W.E. 2013. Fungicide timing rules to prevent azalea web blight damage. Mississippi Nursery and Landscape Association. Spring:9-11.
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Chapter 21. chlorine dioxide
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Copes, W.E., Barbeau, B., Chastagner, G. 2014. Chapter 21. chlorine dioxide. American Phytopathological Society. p. 251-265.
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Chapter 24. emerging technologies for irrigation water treatment
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Elmer, W.H., Buck, J., Ahonsi, M.0., Copes, W.E. 2014. Chapter 24. emerging technologies for irrigation water treatment. American Phytopathological Society Press. p. 289-301.
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Timing of fungicide sprays to prevent azalea web blight symptoms
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(Abstract Only)
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Copes, W.E. 2012. Timing of fungicide sprays to prevent azalea web blight symptoms. Mississippi State University Extension Service. 39:25.
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Timing of fungicide sprays to prevent azalea web blight symptoms
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(Abstract Only)
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Copes, W.E. 2012. Timing of fungicide sprays to prevent azalea web blight symptoms. Meeting Abstract. 1.
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Timing of fungicide sprays to prevent azalea web blight symptoms
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(Abstract Only)
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Copes, W.E. 2012. Timing of fungicide sprays to prevent azalea web blight symptoms. Ornamental Workshop on Diseases and Insects. 1.
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Timing of fungicides in relation to calendar date, weather, and disease thresholds to control Rhizoctonia web blight on container-grown azalea
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(Peer Reviewed Journal)
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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 . 42:273-280.
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Rhizoctonia damping-off stem canker and root rot
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Copes, W.E., Benson, M.D. 2014. Rhizoctonia damping-off stem canker and root rot. American Phytopathological Society Press. p. 14-15.
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Rhizoctonia web blight
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Copes, W.E., Benson, M.D. 2014. Rhizoctonia web blight. American Phytopathological Society Press. p. 15-19.
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Rhizoctonia web blight development on azalea in relation to leaf wetness duration in the glasshouse
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(Peer Reviewed Journal)
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Copes, W.E. 2012. Rhizoctonia web blight development on azalea in relation to leaf wetness duration in the glasshouse. Journal of Phytopathology. 161:723-729.
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Timing of fungicide sprays to prevent azalea web blight symptoms
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(Proceedings)
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Copes, W.E., Hagan, A., and Olive, J. Timing of fungicide sprays to prevent azalea web blight symptoms. Combined Proc. Intl. Plant Prop. Soc. 61:505-506. 2011.
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Cutting propagation of azaleas using hot water treatments to control pathogens
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(Proceedings)
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Copes, W.E., Blythe, E. 2013. Cutting propagation of azaleas using hot water treatments to control pathogens. International Plant Propagators Proceedings. 61:231-236.
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Response of azalea cuttings to leaf damage and leaf removal
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(Proceedings)
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Copes, W.E., Blythe, E. 2012. Response of azalea cuttings to leaf damage and leaf removal. Southern Nursery Association Research Conference. 57:287-290.
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Propagating azalea stem cuttings free of binculeate Rhizoctonia spp
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(Abstract Only)
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Copes, W.E., Blythe, E.K. 2012. Propagating azalea stem cuttings free of binculeate Rhizoctonia spp. National IPM Symposium. 7:89.
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Growth sensitivity of Corynespora cassiicola to Thiophanate-methyl, Iprodione, and Fludioxonil
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(Peer Reviewed Journal)
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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.
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Seasonal prevalence of species of binculeate Rhizoctonia fungi in growing medium, leaf litter, and stems of container-grown azalea
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(Peer Reviewed Journal)
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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.
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Rooting response of azalea cultivars to hot water treatment used for pathogen conrol
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(Peer Reviewed Journal)
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Copes, W.E., Blythe, E. 2011. Rooting response of azalea cultivars to hot water treatment used for pathogen conrol. HortScience. 46:52-56.
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Chemical and Hot Water Treatments to Eliminate Rhizoctonia From Azalea Stem Cuttings: Failures and Successes
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(Proceedings)
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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.
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Rooting Response of Azalea Cultivars Using Hot Water Treatments to Control Pathogens
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(Proceedings)
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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.
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Rhizoctonia web blight development on container-grown azalea in relation to time and environmental factors
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(Peer Reviewed Journal)
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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.
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Effects of hydrostatic pressure, agitation and CO2 stress on Phytophthora nicotianae zoospore survival
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(Peer Reviewed Journal)
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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.
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Rhizoctonia web blight on azalea
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Copes, W.E. 2010. Rhizoctonia web blight on azalea. Mississippi Nursery and Landscape Association, winter 2010, pg 8,23.
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Azalea Web Blight Control: Fungicide Timing in the Nursery and Hot Water Treatment of Stem Cuttings
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(Proceedings)
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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.
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Chemical and hot water treatments to control Rhizoctonia AG P infesting stem cuttings of azalea
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(Peer Reviewed Journal)
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Copes, W.E., Blythe, E. 2009. Chemical and hot water treatments to control Rhizoctonia AG P infesting stem cuttings of azalea. HortScience. 44(5):1370-1376.
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Inhibition of urediniospore germination Puccinia hemerocallidis by Bacto Agar and changes in percent germination and germ-tube elongation on agarose over time.
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(Peer Reviewed Journal)
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Li., Y., Trigiano, R.N., Windham, M.T., Vito, L.M., Fare, D., Spiers, J.M., and Copes, W.E. 2009. Inhibition of urediniospore germination Puccinia hemerocallidis by Bacto Agar and changes in percent germination and germ-tube elongation on agarose over time. Canadian Journal of Plant Pathology 31:163-168.
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Seasonal presence of Rhizoctonia species in container-grown azalea
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(Proceedings)
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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.
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Chemical and Hot Water Treatments to Control Rhizoctonia on Infected Azalea Stem Cuttings
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(Proceedings)
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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.
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Modeling disease progression of camellia twig blight using a recurrent event model.
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(Peer Reviewed Journal)
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Thomson, J.L., Copes, W.E. 2009. Modeling disease progression of camellia twig blight using a recurrent event model. Phytopathology. 99(4):378-384.
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Concentration and intervals of hydrogen dioxide applications to control Puccinia hemerocallidis on daylily.
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(Peer Reviewed Journal)
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Copes, W.E. 2009. Concentration and intervals of hydrogen dioxide applications to control Puccinia hemerocallidis on daylily. Crop Protection 28:24-29.
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Risk of Rhizoctonia Web Blight Development on Container-Grown Azalea
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(Abstract Only)
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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.
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Rhizoctonia Species Associated With Bark Media and Plant Strata of Container-Grown Azalea
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(Abstract Only)
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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.
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SPORE GERMINATION, INFECTION STRUCTURE FORMATION AND COLONY DEVELOPMENT OF ERYSIPHE PULCHRA ON DOGWOOD LEAVES AND GLASS SLIDES
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(Peer Reviewed Journal)
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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.
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A PICTORIAL DISEASE SEVERITY KEY AND THE RELATIONSHIP BETWEEN SEVERITY AND INCIDENCE FOR BLACK ROOT ROT OF PANSY CAUSED BY THIELAVIOPSIS BASICOLA
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(Peer Reviewed Journal)
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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.
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Survival Analysis to Determine the Length of the Incubation Period of Camellia Twig Blight Caused by Colletorichum gloeosporioides
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(Peer Reviewed Journal)
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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.
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Integrated Disease Management: Evaluating Its Parts to Get the Most Control for the Least Effort
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(Proceedings)
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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.
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Controlling Foliar Disease with ZeroTol
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(Proceedings)
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Copes, W.E. 2008. Controlling Foliar Disease with ZeroTol. Southern Nursery Association Proceedings. 52:38-40.
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Seasonal Responses in the Time it Takes for Camellia Twig Blight Symptoms to Develop
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(Proceedings)
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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.
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No Spray' Rose Cultivars for the Mid South
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(Proceedings)
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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.
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Evaluation for Resistance to Powdery Mildew in Cornus Species and Hybrids Using a Leafy Disk Assay
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(Peer Reviewed Journal)
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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 25:131-133.
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Controlling Foliar Disease with ZeroTol
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Copes, W.E. 2007. Controlling Foliar Disease with ZeroTol. Mississippi Nursery and Landscape Associaiton Newsletter April/Spring. pgs.16,17.
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Controlling foliar disease with ZeroTol
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Copes, W. E. 2007. Controlling foliar disease with ZeroTol. Mississippi Nursery and Landscape Association Newsletter April/Spring:16,17
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Microscopic and Macroscopic Studies of the Development of Puccinia hemerocallidis in Resistant and Susceptible Daylily Cultivars
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(Peer Reviewed Journal)
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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. 91:664-668.
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Mechanics of Disease Control in Production Operations
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(Proceedings)
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Copes, W.E. 2006. Mechanics of Disease Control in Production Operations. Proceedings of 33rd Annual Horticulture Field Day. 33:19.
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Research on Rhizoctonia Web Blight on Azalea
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Copes, W.E. 2006. Research on Rhizoctonia Web Blight on Azalea. Louisiana Nursery and Landscape Association Newsletter. 29(3):21,17.
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Research on Rhizoctonia Web Blight on Azalea
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Copes, W.E. 2006. Research on Rhizoctonia Web Blight on Azalea. Mississippi Nursery and Landscape Association Newsletter. October/Fall:6,8,21.
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Microscopic and Macroscopic Studies on Resistance Responses to Daylily Rust
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(Proceedings)
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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.
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Epidemiology of Powdery Mildew on Resistant and Susceptible Flowering Dogwood Cultivars
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(Proceedings)
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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.
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Resistance to Foliar Diseases in Rosa sp
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(Proceedings)
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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.
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Irrigation Effects on the Spread of Corynespora Leaf Spot on African Violets
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(Proceedings)
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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.
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Microscopic and Macroscopic Studies on the Development of Puccinia hemerocallidis in Resistance and Susceptible Daylily Cultivars
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(Abstract Only)
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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.
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Epidemiology of Powedery Mildew on Flowering Dogwood in Tennessee
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(Abstract Only)
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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.
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Genetic characterization of binucleate Rhizoctonia species causing web blight on azelea in Mississippi and Alabama
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(Peer Reviewed Journal)
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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..
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Development of Erysiphe Pulchram, the Causal Agent of Powdery Mildew, on Leaf Disks of Susceptible and Resistant Flowering Dogwood (Cornus Florida)
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(Peer Reviewed Journal)
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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.
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RESISTANCE OF DAYLILY CULTIVARS TO RUST
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(Proceedings)
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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.
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DEVELOPMENT OF POWDERY MILDEW ON RESISTANT AND SUSCEPTIBLE DOGWOOD CULTIVARS
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(Proceedings)
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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.
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Genetic and Physical Characterization of Binucleate Rhizoctonia Species Causing Web Blight on Azalea
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(Proceedings)
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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.
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GENETIC, PATHOGENIC, AND PHENOTYPIC CHARACTERIZATION OF RHIZOCTONIA SPP. ISOLATED FROM CONTAINER-GROWN AZALEA IN THE SOUTHERN UNITED STATES
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(Abstract Only)
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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.
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EFFECTS OF MEDIA AND PH ON UREDINIOSPORE GERMINATION AND GERM-TUBE ELONGATION OF PUCCINIA HEMEROCALLIDIS
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(Abstract Only)
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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.
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COMPONENTS OF RESISTANCE TO POWDERY MILDEW IN FLOWERING DOWGOOD
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(Abstract Only)
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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.
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INFECTION PROCESS OF ERYSIPHE PULCHRA ON FLOWERING DOGWOOD LEAVES AND GLASS SLIDES
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(Abstract Only)
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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.
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Resistance Reaction of Daylily Cultivars to Puccinia Hemerocallidis
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(Abstract Only)
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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.
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COMPONENTS OF RESISTANCE TO POWDERY MILDEW IN FLOWERING DOGWOOD
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(Abstract Only)
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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.
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Infection Process of Erysiphe Pulchra on Flowering Dogwood Leaves and Glass Slides
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(Abstract Only)
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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.
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Resistance Reactions of Daylily Cultivars to Puccinia Hemerocallidis
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(Abstract Only)
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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.
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Effects of Media and PH on Urediniospore Germination and Germ-Tube Elongation of Puccinia hemerocallidis
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(Abstract Only)
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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.
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PLANT SPACING EFFECTS ON MICROCLIMATE AND RHIZOCTONIA WEB BLIGHT DEVELOPMENT IN CONTAINER-GROWN AZALEA
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(Peer Reviewed Journal)
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Copes, W.E., Scherm, H. 2005. Plant spacing effects on microclimate and rhizoctonia web blight development in container-grown azalea. Hortscience. 40:1408-1412.
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GENETIC DIVERSITY AND MOLECULAR DETECTION OF RHIZOCTONIA IN NURSERY ENVIRONMENTS
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(Abstract Only)
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Rinehart, T.A., Copes, W.E. 2004. Genetic diversity and molecular detection of rhizoctonia in nursery environments. Meeting Abstract.
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Effect of Plant Spacing on Microclimate and Rhizoctonia Web Blight Development in Container Grown Azalea
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(Proceedings)
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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.
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Inoculation Efficacy of the Medium Used for Suspension of Puccinia hemerocallidis Urediniospores
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(Proceedings)
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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.
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A FIRST REPORT OF DAYLILY RUST IN TENNESSEE
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(Proceedings)
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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.
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TOXICITY RESPONSES OF HERBACEOUS AND WOODY ORNAMENTAL PLANTS TO CHLORINE AND HYDROGEN DIOXIDES
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(Peer Reviewed Journal)
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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
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MOLECULAR APPROACHES TO CONTROL PUCCINIA HEMEROCALLIDIS ON DAYLILY
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(Abstract Only)
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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
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DOSE CURVES OF DISINFESTANTS APPLIED TO PLANT PRODUCTION SURFACES CONTROL BOTRYTIS CINEREA
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(Peer Reviewed Journal)
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Copes, W.E. 2004. Dose curves of disinfestants applied to plant production surfaces for control of Botrytis cinerea. Plant Disease. 88:509-515
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EFFECT OF TEMPERATURE ON SPORULATION OF BOTRYOSPHAERIA DOTHIDEA, B. OBTUSA, AND B. RHODINA.
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(Peer Reviewed Journal)
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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.
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Rhizoctonia in Container Grown Azalea, and Camellia Twig Blight: Incubation and Latency Periods
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(Proceedings)
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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.
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Disinfectants - The Rate Matters
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(Proceedings)
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Copes, W.E. 2003. Disinfectants - The Rate Matters. Proc 31th Annual Horticulture Field Day. 31:27.
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ACTIVITY OF CHLORINE DIOXIDE IN A SOLUTION OF IONS AND PH AGAINST THIELARIOPSIS BASICOLA AND FUSARIUM OXYSPORUM.
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(Peer Reviewed Journal)
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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.
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Efficacy of Disinfestants Applied to Plant Production Surfaces
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(Proceedings)
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Copes, W.E. 2004. Efficacy of Disinfestants Applied to Plant Production Surfaces. Southern Nursery Association Research Conference. 48:218-220.
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TEMPERATURE EFFECT ON SPORULATION OF BOTRYOSPHAERIA DOTHIDEA, B. OBTUSA, AND B. RHODINA
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(Abstract Only)
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Copes, W.E., Hendrix, F.F. 2004. Temperature effect on sporulation of botryosphaeria dothidea, b. obtusa, and b. rhodina. Phytopathology. 93:S17
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DOSE CURVES OF DISINFESTANTS APPLIED TO PLANT PRODUCTION SURFACES FOR CONTROL OF BOTRYTIS CINEREA.
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(Abstract Only)
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Copes, W.E. 2003. Dose curves of disinfestants applied to plant production surfaces for control of botrytis cinerea.. Phytopathology. 93:S17
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TOXICITY RESPONSES OF HERBACEOUS AND WOODY ORNAMENTAL PLANTS TO CHLORINE AND HYDROGEN DIOXIDES
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(Peer Reviewed Journal)
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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.
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POTENTIAL TOXICITY OF CHLORINE AND HYDROGEN DIOXIDES ON HERBACEOUS AND WOODY ORNAMENTAL CROPS.
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(Abstract Only)
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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.
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Potential Use of Chlorine Dioxide to Control Diseases in Ornamental Plant Production Systems
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(Proceedings)
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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.
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Influence of Selected Inorganic Ions and PH on Fungicidal Activity of Chlorine Dioxide in Water
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(Proceedings)
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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.
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DISEASES (CHAPTER 10) IN. MUSCADINE GRAPES
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Chen, J., Copes, W.E., Miller, R.W., Lamikanra, O. 2001. Diseases (chapter 10) in. muscadine grapes. ASHS Press. 158-209
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INFLUENCE OF SELECT INORGANIC ELEMENTS AND PH ON THE FUNGICIDAL ACTIVITY OF CHLORINE DIOXIDE IN WATER
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(Proceedings)
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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
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INFLUENCE OF SELECT INORGANIC IONS AND PH ON FUNGICIDAL ACTIVITY OF CHLORINE DIOXIDE IN WATER
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(Abstract Only)
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Copes, W.E. 2001. Influence of select inorganic ions and ph on fungicidal activity of chlorine dioxide in water. Phytopathology. 94:S21
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