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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.)
Control of insect pests and diseases in an Ohio fruit farm with a laser-guided intelligent sprayer Reprint Icon - (Peer Reviewed Journal)
Chen, L., Wallhead, M., Reding, M.E., Horst, L., Zhu, H. 2020. Control of insect pests and diseases in an Ohio fruit farm with a laser-guided intelligent sprayer. HortTechnology. 30(2):168-175. https://doi.org/10.21273/horttech04497-19.
Characterization of biological pesticide deliveries through hydraulic nozzles Reprint Icon - (Peer Reviewed Journal)
Xiao, L., Zhu, H., Wallhead, M.W., Horst, L., Ling, P., Krause, C.R. 2018. Characterization of biological pesticide deliveries through hydraulic nozzles. Transactions of the ASABE. 61(3):897-908. https://doi.org/10.13031/trans.12698.
Comparative morphology and distribution of antennal sensilla on Xylosandrus germanus and Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) Reprint Icon - (Peer Reviewed Journal)
Ranger, C.M., Horst, L., Barnett, J.L., Reding, M.E., Anderson, B.A., Krause, C.R. 2017. Comparative morphology and distribution of antennal sensilla on Xylosandrus germanus and Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae). Annals of the Entomological Society of America. 110:172-188.
Determination of foliar uptake of water droplets on waxy leaves in controlled environmental system Reprint Icon - (Peer Reviewed Journal)
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 - (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.
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 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.
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 - (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 - (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 - (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 ()
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 - (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 - (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 - (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.
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.
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 - (Peer Reviewed Journal)
CONTROL OF BOTRYTIS CINEREA AND GRAY MOLD ON TUBEROUS BEGONIA WITH CALCIUM CHLORIDE - (Abstract Only)
MOROPHOLOGICAL AND CHEMICAL PROPERTIES OF PLASTIC WASTES IN COMPOST - (Peer Reviewed Journal)
EFFICACY OF CALCIUM CHLORIDE AS AN ALTERNATIVE CONTROL FOR BOTRYTIS CINEREA ON BEGONIA IN THE GREENHOUSE - (Abstract Only)
AIRBLAST SPRAY COVERAGE AND DRIFT MEASURED IN A NURSERY WITH ELECTRON BEAM AND CONDUCTIVITY ANALYSIS - (Abstract Only)
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