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United States Department of Agriculture

Agricultural Research Service

Related Topics

Leona Horst
Application Technology Research
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.)
Comparative morphology and distribution of antennal sensilla on Xylosandrus germanus and Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) -
Determination of foliar uptake of water droplets on waxy leaves in controlled environmental system Reprint Icon -
Gao, J., Zhu, H., Horst, L., Krause, C.R. 2015. Determination of foliar uptake of water droplets on waxy leaves in controlled environmental system. Transactions of the ASABE. 58(4):1017-1024.
Population dynamics of the fusarium head blight biocontrol agent cryptococcus flavescens OH182.9 on wheat anthers and heads Reprint Icon -
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.
Effect of higher rate of quintec for the control of powdery mildew on cucumber, 2012 -
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 acibenzolar for the control of bacterial spot on bell pepper, 2012 -
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 -
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 -
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.
Evaluation of phytotoxicity of Ridomil Gold Copper on turnip greens, 2010 -
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 -
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 -
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 -
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 -
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 -
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 -
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? -
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 -
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 -
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 -
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 -
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.
BIOLOGICAL SUPPRESSION OF FOLIAR DISEASES OF ORNAMENTAL PLANTS WITH COMPOSTED MANURES, BIOSOLIDS, AND TRICHODERMA HAMATUM 382 -
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.
The Effects of Sprayer Configuration on Efficacy for the Control of Scab on Crabapple -
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
CALCIUM CHLORIDE AS AN ALTERNATIVE CONTROL FOR BOTRYTIS CINEREA ON TUBEROUS BEGONIA IN THE GREENHOUSE -
CONTROL OF BOTRYTIS CINEREA AND GRAY MOLD ON TUBEROUS BEGONIA WITH CALCIUM CHLORIDE -
MOROPHOLOGICAL AND CHEMICAL PROPERTIES OF PLASTIC WASTES IN COMPOST -
EFFICACY OF CALCIUM CHLORIDE AS AN ALTERNATIVE CONTROL FOR BOTRYTIS CINEREA ON BEGONIA IN THE GREENHOUSE -
AIRBLAST SPRAY COVERAGE AND DRIFT MEASURED IN A NURSERY WITH ELECTRON BEAM AND CONDUCTIVITY ANALYSIS -
ARS News Articles
Last Modified: 5/2/2016
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