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United States Department of Agriculture

Agricultural Research Service

Related Topics

Leona Horst
Application Technology Research Unit
Horticulturist

Phone: (330) 263-3691
Fax: (330) 263-3841
Room 124
1680 MADISON AVE
WOOSTER, OH, 44691


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Population dynamics of the fusarium head blight biocontrol agent cryptococcus flavescens OH182.9 on wheat anthers and heads - (Peer Reviewed Journal)
Schisler, D.A., Core, A.B., Boehm, M.J., Horst, L., Krause, C.R., Dunlap, C.A., Rooney, A.P. 2014. Population dynamics of the fusarium head blight biocontrol agent cryptococcus flavescens OH182.9 on wheat anthers and heads. Biological Control. 70(1):17-27.
Evaluation of acibenzolar for the control of bacterial spot on bell pepper, 2012 - (Abstract Only)
Krause, C.R., Horst, L. 2013. Evaluation of acibenzolar for the control of bacterial spot on bell pepper, 2012. Plant Disease Management Reports. 7:V162.
Effect of higher rate of quintec for the control of powdery mildew on summer squash, 2012 - (Abstract Only)
Krause, C.R., Horst, L. 2013. Effect of higher rate of quintec for the control of powdery mildew on summer squash, 2012. Plant Disease Management Reports. 7:V161.
Evaluation of quintec for the control of powdery mildew and bacterial spot on fresh market tomato, 2012 - (Abstract Only)
Krause, C.R., Horst, L. 2013. Evaluation of quintec for the control of powdery mildew and bacterial spot on fresh market tomato, 2012. Plant Disease Management Reports. 7:V159.
Effect of higher rate of quintec for the control of powdery mildew on cucumber, 2012 - (Abstract Only)
Krause, C.R., Horst, L. 2013. Effect of higher rate of quintec for the control of powdery mildew on cucumber, 2012. Plant Disease Management Reports. 7:V160.
Evaluation of phytotoxicity of Ridomil Gold Copper on turnip greens, 2010 - (Research Technical Update)
Krause, C.R., Horst, L. 2011. Evaluation of phytotoxicity of Ridomil Gold Copper on turnip greens, 2010. Plant Disease Management Reports. 5:V018.
Interaction of Calibrachoa and selected root and foliar pathogens in greenhouse settings Reprint Icon - (Peer Reviewed Journal)
Omer, M.A., Locke, J.C., Frantz, J., Horst, L., Krause, C.R. 2011. Interaction of Calibrachoa and selected root and foliar pathogens in greenhouse settings. Acta Horticulturae. 893:173-180.
Effects of Sprayer Configuration of Efficacy for the Control of Scab on Crabapple Using Electron Beam Analysis Reprint Icon - (Peer Reviewed Journal)
Krause, C.R., Derksen, R.C., Horst, L., Zhu, H., Zondag, R. 2009. Effects of Sprayer Configuration of Efficacy for the Control of Scab on Crabapple Using Electron Beam Analysis. Scanning. 31:24-27.
Interaction of Calibrachoa and Selected Root and Foliar Pathogens in Greenhouse Setting - (Proceedings)
Omer, M.A., Locke, J.C., Frantz, J., Horst, L., Krause, C.R. 2009. Interaction of Calibrachoa and Selected Root and Foliar Pathogens in Greenhouse Setting. International Symposium on High Technology for Greenhouse Systems, June 14-19, 2009, Quebec City, Quebec Canada. p.145.
Detection and Quantification of Silicon in Floricultural Crops Utilizing Three Distinct Analytical Methods Reprint Icon - (Peer Reviewed Journal)
Frantz, J., Locke, J.C., Datnoff, L., Omer, M.A., Widrig, A.K., Sturtz, D.S., Horst, L., Krause, C.R. 2008. Detection and Quantification of Silicon in Floricultural Crops Utilizing Three Distinct Analytical Methods. Communications in Soil Science and Plant Analysis. 39:2734-2751.
Suppression of Botrytis Gray Mold in Hiemalis Begonia with Potting Mix Amendments Reprint Icon - (Other)
Locke, J.C., Horst, L., Krause, C.R. 2005. Suppression of Botrytis Gray Mold in Hiemalis Begonia with Potting Mix Amendments. Resource. 1(1):6-7.
Suppression of Botrytis Blight of Begonia by Trichoderma Hamatum 382 in Peat and Compost-Amended Potting Mixes Reprint Icon - (Peer Reviewed Journal)
Horst, L., Locke, J.C., Krause, C.R., Mcmahon, R.W., Madden, L.V., Hoitink, H.A. 2005. Suppression of botrytis blight of begonia by trichoderma hamatum 382 in peat and compost-amended potting mixes. Plant Disease. 89:1195-1200.
Do Circadian Rhythms Accentuate K-Deficiency in Geranium? - (Abstract Only)
Pitchay, D., Gray, J., Frantz, J., Horst, L., Krause, C.R. 2005. Do circadian rhythms accentuate k-deficiency in geranium? [abstract]. Hortscience. 40(4):132.
Susceptibility of Trailing Petunia Calibrachoa X Hybrida to Infection by Foliar and Root Fungal Pathogens Reprint Icon - (Peer Reviewed Journal)
Omer, M.A., Horst, L., Locke, J.C., Pitchay, D., Krause, C.R. 2005. Susceptibility of trailing petunia calibrachoa x hybrida to infection by foliar and root fungal pathogens. Phytopathology. 95(6):S77.
Silicon is Deposited in Leaves of New Guinea Impatiens Reprint Icon - (Peer Reviewed Journal)
Frantz, J., Dharmalingam, D.S., Locke, J.C., Horst, L., Krause, C.R. 2005. Silicon is deposited in leaves of New Guinea Impatiens. Plant Health Progress. Available: http://www.plantmanagementnetwork.org/php.
Detection and Quantification of Nursery Spray Penetration and Off-Target Loss with Electron Beam and Conductivity Analysis - (Peer Reviewed Journal)
Krause, C.R., Zhu, H., Derksen, R.C., Brazee, R.D., Fox, R.D., Horst, L., Zondag, R.H. 2004. Detection and Quantification of Nursery Spray Penetration and Off-Target Loss with Electron Beam and Conductivity Analysis. Transactions of the ASAE. 47(2):375-384.
Supression of Powdery Mildew and Gray Mold of Begonia Induced by Trichoderma Hamatum 382 in Peat and Compost Amended Potting Mixes - (Abstract Only)
Horst, L., Krause, C.R., Madden, L.V., Hoitink, H.A. 2003. Supression of powdery mildew and gray mold of begonia induced by trichoderma hamatum 382 in peat and compost amended potting mixes. Phytopathology. 93(6):537.
The Effects of Sprayer Configuration on Efficacy for the Control of Scab on Crabapple Reprint Icon - (Experiment Station)
Krause, C.R., Derksen, R.C., Horst, L., Zondag, R., Brazee, R.D., Klein, M.G., Reding, M.E. 2003. The Effects of Sprayer Configuration on Efficacy for the Control of Scab on Crabapple. Extension Circular. 189:65-68
Biological Suppression of Foliar Diseases of Ornamental Plants with Composted Manures, Biosolids, and Trichoderma Hamatum 382 - (Abstract Only)
Hoitink, H.A., Musselman, C.A., Moore, T.L., Horst, L., Krause, C.R., Zondag, R.A., Mathers, H. 2003. Biological suppression of foliar diseases of ornamental plants with composted manures, biosolids, and trichoderma hamatum 382. Extension Circular. 189:50-56.
Calcium Chloride As An Alternative Control for Botrytis Cinerea on Tuberous Begonia in the Greenhouse - (Peer Reviewed Journal) - (04-Apr-99)
Control of Botrytis Cinerea and Gray Mold on Tuberous Begonia with Calcium Chloride - (Abstract Only) - (01-Apr-99)
Morophological and Chemical Properties of Plastic Wastes in Compost - (Peer Reviewed Journal) - (23-Sep-96)
Efficacy of Calcium Chloride As An Alternative Control for Botrytis Cinerea on Begonia in the Greenhouse - (Abstract Only) - (30-Jul-96)
Airblast Spray Coverage and Drift Measured in a Nursery with Electron Beam and Conductivity Analysis - (Abstract Only) - (30-Jul-96)
ARS News Articles
Last Modified: 4/17/2014
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