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United States Department of Agriculture

Agricultural Research Service

Related Topics

James C Locke (Jim)
Application Technology Research Unit
Research Plant Pathologist

Phone: (419) 530-1595
Fax: (419) 530-1599
GREENHOUSE PRODUCTION RESEARCH GROUP
2801 W. BANCROFT ST., MAIL STOP 604
TOLEDO, OH, 43606

Projects
Development of Technologies and Strategies for Sustainable Crop Production in Containerized and Protected Horticulture Systems
Appropriated (D)
  Accession Number: 425918
INTELLIGENT SPRAY SYSTEMS FOR FLORAL AND ORNAMENTAL NURSERY CROPS
Reimbursable (R)
  Accession Number: 418595
DETERMINING THE POTENTIAL FOR SILICON TO MITIGATE DROUGHT STRESS IN FLORICULTURAL CROPS USING SLAG AS A SILICON SOURCE
Trust (T)
  Accession Number: 424057

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Cation exchange capacity of pine bark and peat substrates - (Peer Reviewed Journal) - (21-Jul-14)
Research is our middle name - (Trade Journal)
Boldt, J.K., Altland, J.E., Locke, J.C., Krause, C.R. 2014. Research is our middle name. Greenhouse Product News. 24(7):26-31.
Effect of biochar type on macronutrient retention and release from soilless substrate Reprint Icon - (Peer Reviewed Journal)
Altland, J.E., Locke, J.C. 2013. Effect of biochar type on macronutrient retention and release from soilless substrate. HortScience. 48(11):1397-1402.
Development of variable-rate precision spraying systems for tree crop production - (Proceedings)
Zhu, H., Chen, Y., Lu, H., Shen, Y., Jeon, H., Gu, J., 0zkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S., Zondag, R., Fulcher, A., Rosetta, R. 2013. Development of variable-rate precision spraying systems for tree crop production. Workshop Proceedings. 12th Workshop on Spray Application Techniques in Fruit Growing (Suprofruit 2013), June 26-28, 2013, Valencia, Spain. p. 123-125.
Gasified rice hull biochar is a source of phosphorus and potassium for container-grown plants Reprint Icon - (Peer Reviewed Journal)
Altland, J.E., Locke, J.C. 2013. Gasified rice hull biochar is a source of phosphorus and potassium for container-grown plants. Journal of Environmental Horticulture. 31:138-144.
Fertilizer applications for container-grown ornamental tree production Reprint Icon - (Peer Reviewed Journal)
Zhu, H., Zondag, R., Merrick, J., Demaline, T., Jeon, H.Y., Krause, C.R., Locke, J.C. 2013. Fertilizer applications for container-grown ornamental tree production. Journal of Environmental Horticulture. 31(2):68-76.
Use of ground wheat straw in container nursery substrates to overwinter daylily divisions Reprint Icon - (Peer Reviewed Journal)
Locke, J.C., Altland, J.E. 2012. Use of ground wheat straw in container nursery substrates to overwinter daylily divisions. Journal of Environmental Horticulture. 30(4):207-210.
Biochar affects macronutrient leaching from a soilless substrate Reprint Icon - (Peer Reviewed Journal)
Altland, J.E., Locke, J.C. 2012. Biochar affects macronutrient leaching from a soilless substrate. HortScience. 47(8):1136-1140.
Two intelligent spraying systems developed for tree crop production - (Abstract Only)
Zhu, H., Ozkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S.C., Zondag, R.H., Fulcher, A., Rosetta, R., Jeon, H.Y., Chen, Y., Gu, J., Liu, H., Shen, Y., Rios, A.A. 2012. Two intelligent spraying systems developed for tree crop production. Meeting Abstract. 6th National Small Farm Conference,Memphis TN, September 18-20, 2012. p. 69-70.
Development of smart spray systems to enhance delivery of pesticides in field nursery production - (Abstract Only)
Zhu, H., Ozkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S., Zondag, R., Fulcher, A., Rosetta, R., Jeon, H.Y., Chen, Y., Gu, J., Liu, H., Shen, Y., Rios, A. 2012. Development of smart spray systems to enhance delivery of pesticides in field nursery production. Annual Meeting of the American Phytopathological Society. Meeting Abstract, August 5-8, 2012, Providence, Rhode Island. #173-P.
Development of Intelligent Spray Systems for Nursery Crop Production - (Abstract Only)
Zhu, H., Ozkan, E., Derksen, R.C., Ranger, C.M., Reding, M.E., Canas, L., Krause, C.R., Locke, J.C., Ernst, S.C., Zondag, R.H., Fulcher, A., Rosetta, R., Jeon, H.Y., Chen, Y., Gu, J., Hui, L., Shen, Y., Rios, A.A. 2012. Development of Intelligent Spray Systems for Nursery Crop Production. Meeting Abstract. 2012 ASHS Annual Conference, Miami Florida, July 31-August 3, 2012, Paper #8392.
Seedling geranium response to nitrogen deprivation and subsequent recovery in hydroponic culture Reprint Icon - (Peer Reviewed Journal)
Locke, J.C., Altland, J.E., Bobak, D.M. 2011. Seedling geranium response to nitrogen deprivation and subsequent recovery in hydroponic culture. HortScience. 46(12):1615-1618.
Distribution of chemical and microbial pesticides delivered through drip irrigation systems - (Book / Chapter)
Zhu, H., Wang, X., Reding, M.E., Locke, J.C. 2011. Distribution of chemical and microbial pesticides delivered through drip irrigation systems. In: Stoytcheva, M. editor. Pesticides - Formulations, Effects, Fate. Rijeka, Croatia:InTech. p 155-180.
Use of ground miscanthus straw in container nursery substrates Reprint Icon - (Peer Reviewed Journal)
Altland, J.E., Locke, J.C. 2011. Use of ground miscanthus straw in container nursery substrates. Journal of Environmental Horticulture. 29:114-118.
Maximizing industry benefit through cooperation between federal, state and private-sector floricultural research efforts - (Proceedings)
Locke, J.C., Frantz, J. 2011. Maximizing industry benefit through cooperation between federal, state and private-sector floricultural research efforts. National Floriculture Forum Proceedings, March 10-11, 2011, Dallas, Texas. p. 2-5.
Development of Two Intelligent Spray Systems for Ornamental Nurseries - (Proceedings)
Zhu, H., Jeon, H., Chen, Y., Gu, J., Ozkan, H., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Zondag, R.H., Ernst, S.C., Fulcher, A., Rosetta, R. 2012. Development of Two Intelligent Spray Systems for Ornamental Nurseries. International Plant Propagators Proceedings. 60:41-46.
Using Si in floriculture fertility programs - (Trade Journal)
Frantz, J., Locke, J.C. 2011. Using Si in floriculture fertility programs. Greenhouse Grower Magazine. Feb 2011.
A Rare Excitatory Amino Acid from Flowers of Zonal Geranium responsible for Paralyzing the Japanese Beetle Reprint Icon - (Peer Reviewed Journal)
Ranger, C.M., Winter, R.E., Singh, M.E., Reding, M.E., Frantz, J., Locke, J.C., Krause, C.R. 2011. A rare excitatory amino acid from flowers of zonal geranium responsible for paralyzing the Japanese beetle. Proceedings of the National Academy of Sciences. 108(4):1217-1221.
Does Silicon Have a Role in Ornamental Crop Production? Reprint Icon - (Trade Journal)
Frantz, J., Locke, J.C., Mattson, N. 2010. Does Silicon Have a Role in Ornamental Crop Production?. OFA Bulletin. Nov/Dec 2010. 924:17-18.
Suppression of Zinnia Powdery Mildew in the Greenhouse with Silicon-containing Media Amendments - (Abstract Only)
Locke, J.C., Altland, J.E., Frantz, J. 2010. Suppression of Zinnia Powdery Mildew in the Greenhouse with Silicon-containing Media Amendments. Journal of Phytopathology. 100:S74.
Silicon in Ornamental Crops: Detection, Delivery, and Function - (Proceedings)
Frantz, J., Locke, J.C., Sturtz, D.S., Leisner, S. 2010. Silicon in Ornamental Crops: Detection, Delivery, and Function. Silicio na Agricultura: Anais do V Simposio Brasileiro sobre Silicio Agricultura. Editor: Fabricio Rodriguez. pp.111-134.
An Integrated Approach to Biological Control of Fusarium in Containerized Crops - (Book / Chapter) - (17-Feb-10)
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.
Evaluation of Handgun and Broadcast Systems for Spray Deposition in Greenhouse Poinsettia Canopies Reprint Icon - (Peer Reviewed Journal)
Derksen, R.C., Ranger, C.M., Canas, L.A., Locke, J.C., Zhu, H., Krause, C.R. 2010. Evaluation of Handgun and Broadcast Systems for Spray Deposition in Greenhouse Poinsettia Canopies. Transactions of the ASABE. 53(1): 5-12.
ARS Nursery and Floricultural Crop Research in Ohio - (Popular Publication)
Krause, C.R., Altland, J.E., Derksen, R.C., Frantz, J., Locke, J.C., Ranger, C.M., Reding, M.E., Zhu, H. 2009. ARS Nursery and Floricultural Crop Research in Ohio. The Buckeye. December 2009, pg 19-21.
Exserohilum Leaf Spot on Tigergrass Reprint Icon - (Peer Reviewed Journal)
Brunings, A.M., Datnoff, L.E., Palmateer, A.J., Locke, J.C., Krause, C.R. 2009. Exserohilum Leaf Spot on Tigergrass. Plant Health Progress. DOI:10.1094/php-2009-1215-01-RS.
Evaluation of Four Amendments as Sources of Available Silicon to Accumulator Plants Grown in Soilless Media - (Abstract Only)
Locke, J.C., Frantz, J., Krause, C.R. 2009. Evaluation of Four Amendments as Sources of Available Silicon to Accumulator Plants Grown in Soilless Media. Phytopathology. 99:(S)76.
Delivery of Chemical and Microbial Pesticides from Drip Irrigation Emitters Reprint Icon - (Peer Reviewed Journal)
Wang, X., Zhu, H., Reding, M.E., Locke, J.C., Leland, J.E., Derksen, R.C., Spongberg, A.L., Krause, C.R. 2009. Delivery of Chemical and Microbial Pesticides from Drip Irrigation Emitters. Applied Engineering in Agriculture. 25(6):883-893.
Evaluation of the use of Supplemental Silicon in Floricultural Crop Production to Reduce Disease Stress and Micronutrient (Cu) Toxicity and to Enhance Crop Quality - (Proceedings)
Locke, J.C., Frantz, J., Omer, M.A., Sturtz, D.S., Li, J., Leisner, S. 2009. Evaluation of the use of Supplemental Silicon in Floricultural Crop Production to Reduce Disease Stress and Micronutrient (Cu) Toxicity and to Enhance Crop Quality. GreenSys 2009, June 14-19, 2009; Quebec City, Canada. p.96, p.144.
Comparison of Handgun and Boom Spray Delivery Systems for Greenhouses Reprint Icon - (Proceedings)
Derksen, R.C., Ranger, C.M., Canas, L.A., Locke, J.C., Zhu, H., Krause, C.R. 2009. Comparison of Handgun and Boom Spray Delivery Systems for Greenhouses. ASABE Annual International Meeting, June 21-24, 2009, Reno, Nevada. ASABE Paper #97453.
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.
Evaluating Silicon Uptake in Floriculture Crops Grown in the U.S. - (Abstract Only)
Frantz, J., Locke, J.C. 2008. Evaluating silicon uptake in floriculture crops grown in the U.S. Silicon in Agriculture Proceedings. p 21.
Potential for the use of silicon to alleviate disease stresses in floricultural crop production - (Abstract Only)
Locke, J.C., Omer, M.A., Frantz, J., Widrig, A.K., Zellner, W.L., Leisner, S.M., Krause, C.R. 2008. Potential for the use of silicon to alleviate disease stresses in floricultural crop production. Phytopathology. 98(6):S93-94.
The influence of phosphorus concentration on the development of Pythium root rot disease of seedling geranium - (Abstract Only)
Omer, M.A., Locke, J.C., Frantz, J., Krause, C.R. 2008. The influence of phosphorus concentration on the development of Pythium root rot disease of seedling geranium. Phytopathology. 98(6):S116.
Leaf spot on Tigergrass caused by Exserohilum rostratum in Florida - (Abstract Only)
Brunings, A., Datnoff, L., Palmateer, A., Locke, J.C., Frantz, J., Krause, C.R. 2008. Leaf spot on Tigergrass caused by Exserohilum rostratum in Florida. Phytopathology. 98(6):S27.
Current, Short Term, Future and Star Wars Research Projects for Ornamental Crops - (Proceedings)
Conference Proceedings: 24th Annual Conference on Pest and Diseas Management in Ornamentals. 72-79
Influence of Silicon on Resistance of Zinnia Elegans to Myzus Persicae (Hemiptera: Aphididae) Reprint Icon - (Peer Reviewed Journal)
Ranger, C.M., Singh, A.P., Frantz, J., Canas, L., Locke, J.C., Reding, M.E., Vorsa, N. 2009. Influence of Silicon on Resistance of Zinnia Elegans to Myzus Persicae (Hemiptera: Aphididae). Environmental Entomology. 38:129-136.
Uniformity of agro-chemicals and bio-compounds applied through drip irrigation system - (Proceedings)
Zhu, H., Wang, X., Reding, M.E., Locke, J.C., Leland, J.E., Spongberg, A.L., Derksen, R.C., Krause, C.R. 2008. Uniformity of agro-chemicals and bio-compounds applied through drip irrigation system. ASABE Annual International Meeting. Paper 084084.
Comparing Greenhouse Handgun Delivery to Poinsettias by Spray Volume and Quality Reprint Icon - (Peer Reviewed Journal)
Derksen, R.C., Frantz, J., Ranger, C.M., Locke, J.C., Zhu, H., Krause, C.R. 2008. Comparing Greenhouse Handgun Delivery to Poinsettias by Spray Volume and Quality. Transactions of the ASABE. 51(1)27-33.
Current projects of the Application Technology Research Unit - (Abstract Only)
Krause, C.R., Altland, J.E., Derksen, R.C., Frantz, J., Locke, J.C., Ranger, C.M., Reding, M.E., Zhu, H. 2007. Current projects of the Application Technology Research Unit. OFA Bulletin. No.904:24-25.
Detecting Root Rot Stress in Geranium by Measuring Changes in Leaf Temperature - (Research Notes)
Omer, M.A., Locke, J.C., Frantz, J. 2007. Detecting Root Rot Stress in Geranium by Measuring Changes in Leaf Temperature. Northwest Ohio's Commercial Greenhouse Resource. 3(6):4-5.
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.
Silicon-inducible defenses of Zinnia elegans against Myzus persicae - (Abstract Only)
Ranger, C.M., Singh, A.P., Frantz, J., Canas, L., Locke, J.C., Vorsa, N., Reding, M.E. Silicon-inducible defenses of Zinnia elegans against Myzus persicae. National Meeting of Entomological Society Of America.Available: http://esa.confex.com/esa/2007/techprogram/paper_28624.htm
Using Leaf Temperature to Detect Pythium Root Rot Stress in Geranium Reprint Icon - (Peer Reviewed Journal)
Omer, M.A., Locke, J.C., Frantz, J. 2007. Using Leaf Temperature to Detect Pythium Root Rot Stress in Geranium. HortTechnology. 17:532-536.
The Effect of Spray Volume and Quality on Handgun Delivery of Pesticides to Greenhouse Plants Reprint Icon - (Proceedings)
Derksen, R.C., Frantz, J., Ranger, C.M., Locke, J.C., Zhu, H., Krause, C.R. 2007. The Effect of Spray Volume and Quality on Handgun Delivery of Pesticides to Greenhouse Plants. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). Paper No. 071149.
April showers bring May flowers…and May rains bring botrytis Reprint Icon - (Other)
Locke, J.C. 2007. April showers bring May flowers…and May rains bring Botrytis. Digital Newsletter for the floriculture industry. Year II. Issue 1. pp. 4-7.
Virtual Grower: Estimating Greenhouse Energy Costs and Plant Growth Using New Computer Software - (Abstract Only)
Frantz, J., Runkle, E., Blanchard, M., Locke, J.C., Krause, C.R. 2007. Virtual Grower: Estimating Greenhouse Energy Costs and Plant Growth Using New Computer Software. HortScience Annual Meeting, July 16-19, 2007 in Scottsdale, AZ. 42:1018.
Target Region Amplification Polymorphism (TRAP) as a Tool for Detecting Genetic Variation in the Genus Pelargonium Reprint Icon - (Peer Reviewed Journal)
Palumbo, R., Hong, Q., Craig, R., Locke, J.C., Krause, C.R., Tay, D., Wang, G. 2007. Target Region Amplification Polymorphism (TRAP) as a Tool for Detecting Genetic Variation in the Genus Pelargonium. HortScience. 42(5):1118-1123.
Improving Growth of Calibrachoa x Hybrida (Cerv.) in Hanging Pouches Reprint Icon - (Peer Reviewed Journal)
Frantz, J., Locke, J.C., Pitchay, D. 2007. Improving Growth of Calibrachoa x Hybrida (Cerv.) in Hanging Pouches. HortTechnology. 17:151-272.
How Does Geranium (Pelargonium) Respond To Specific Nutrient Deficiencies? A Visual Primer For Grower Diagnosis And Correction - (Other)
Pitchey, D., Frantz, J., Locke, J.C., Krause, C.R. 2007. How Does Geranium (Pelargonium) Respond To Specific Nutrient Deficiencies? A Visual Primer For Grower Diagnosis And Correction. Government Publication/Report. 894:1. p. 9-15.
Impact of Applied Nitrogen Concentration on Growth of Elatior Begonia and New Guinea Impatiens, and Susceptibility of Begonia to Botrytis cinerea Reprint Icon - (Peer Reviewed Journal)
Pitchay, D., Frantz, J., Locke, J.C., Krause, C.R., Fernandez, G. 2007. Impact of Applied Nitrogen Concentration on Growth of Elatior Begonia and New Guinea Impatiens, and Susceptibility of Begonia to Botrytis cinerea. Journal of the American Society for Horticultural Science. 132:193-201.
Virtual Grower Reprint Icon - (Other)
Frantz, J., Buckingham, L.A., Locke, J.C., Krause, C.R. 2006. Virtual grower [CD-ROM]. Version 1.1. Wooster, OH: U.S. Department of Agriculture.
Virual Grower Manual Version 1.1 Reprint Icon - (Other)
Frantz, J., Krause, C.R., Locke, J.C., Ghose, S., Smiser, R., Buckingham, L.A. Virual grower manual version 1.1. Available: http://www.ars.usda.gov/SP2UserFiles/Place/36071000/Publications/ManualforVirtualGrower1.1.pdf
Delay of Expression of Powdery Mildew on Zinnia Grown Hydroponically in Hoagland's Solution Fortified with Silicon Reprint Icon - (Abstract Only)
Locke, J.C., Omer, M.A., Widrig, A.K., Krause, C.R. 2006. Delay of expression of powdery mildew on zinnia grown hydroponically in Hoagland's solution fortified with silicon [abstract]. Phytopathology. 96(6):S70.
Delay of Expression of Powdery Mildew on Zinnia Grown Hydroponically in Hoagland's Solution Fortified with Silicon - (Abstract Only)
Locke, J.C., Omer, M.A., Widrig, A.K., Krause, C.R. 2006. Delay of expression of powdery mildew on zinnia grown hydroponically in Hoagland's solution fortified with silicon [abstract]. Phytopathology. 96(6):S70.
Use of Leaf Temperature to Assess the Response of Geranium Plants Following Exposure to Soil Pathogens Reprint Icon - (Abstract Only)
Omer, M.A., Frantz, J., Locke, J.C., Krause, C.R. 2006. Use of leaf temperature to assess the response of geranium plants following exposure to soil pathogens. Phytopathology. 96:S87.
In the GREENHOUSE...AN Update on USDA Research Projects at Tbg Reprint Icon - (Popular Publication)
Locke, J.C. 2006. In the greenhouse...an update on USDA research projects at TBG. Toledo Botanical Garden Cultivation. 5(2):7.
The New Computer Program Virtual Grower Will Help in Greenhouse Management Reprint Icon - (Experiment Station)
Frantz, J., Locke, J.C., Krause, C.R. 2006. The new computer program virtual grower will help in greenhouse management. Ohio Floriculture Online Volume 13; Issue 1. Available: http://floriculture.osu.edu/archive/feb06/Virtual%20Grower.html
New, Innovative Research in Pesticide Application Technologies - (Proceedings)
Krause, C.R., Zhu, H., Derksen, R.C., Reding, M.E., Zondag, R.A., Frantz, J., Locke, J.C. 2006. New, innovative research in pesticide application technologies. International Crop Protection Compendium.
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.
Powdery Mildew of Greenhouse Crops Reprint Icon - (Other)
Omer, M.A., Locke, J.C., Krause, C.R. 2005. Powdery mildew of greenhouse crops. Resource v1, Issue 3, p.2-3..
Actual Performance versus Theoretical Advantages of Polyacrylamide Hydrogel throughout Bedding Plant Production Reprint Icon - (Peer Reviewed Journal)
Frantz, J., Pitchay, D., Locke, J.C., Krause, C.R. 2005. Actual Performance versus Theoretical Advantages of Polyacrylamide Hydrogel throughout Bedding Plant Production. HortScience. 40:2040-2046.
Evaluating Silicon Uptake in Common Floriculture Plants - (Abstract Only)
Frantz, J., Pitchay, D., Locke, J.C., Krause, C.R. 2005. Evaluating silicon uptake in common floriculture plants. Silicon in Agriculture Proceedings. p.125.
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.
Towards a Healthy Plant Reprint Icon - (Other)
Frantz, J., Pitchay, D., Locke, J.C., Krause, C.R. 2005. Towards a healthy plant. Meeting Abstract. Self Published. Vol.1(1). p. 1-14.
A Growing Partnership Is Emerging - (Popular Publication)
Locke, J.C. 2005. A growing partnership is emerging. Botanical Society of America Abstracts. Vol. 4:(3): p. 8.
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.
Geranium Nutrient Deficiency Symptoms, Partitioning, and Bioenergetic Costs of Construction - (Abstract Only)
Pitchay, D., Frantz, J., Locke, J.C. 2005. Geranium nutrient deficiency symptoms, partitioning, and bioenergetic costs of construction. American Society of Horticultural Sciences [abstract]. 40(4):1060.
Control of Phytophthora and Other Major Diseases of Ericaccous Plants Reprint Icon - (Popular Publication)
Hoitink, H.A., Taylor, N.J., Locke, J.C. 2005. Control of phytophthora and other major diseases of ericaccous plants. Nursery and Landscape Association Journal.
Trap Markers Help Categorize a Pelargonium Collection - (Peer Reviewed Journal)
Palumbo, R., Hong, W., Hu, J., Krause, C.R., Locke, J.C., Craig, R., Tay, D., Wang, G. 2005. Trap markers help categorize a pelargonium collection. American Society for Horticultural Science [abstract]. HortScience 40(4):1067.
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.
Effect of Nitrogen, Potassium and Silicon on Disease Susceptibility of Various Herbaceous Ornamental Corp Species Reprint Icon - (Abstract Only)
Locke, J.C., Pitchay, D., Frantz, J. 2004. Effect of nitrogen, potassium and silicon on disease susceptibility of various herbaceous ornamental corp species. Phytopathology. 94:S62.
Anion Species in Fertilizers Affect Growth and Development in Bedding Plants - (Abstract Only)
Pitchay, D., Frantz, J., Locke, J.C. 2004. Anion species in fertilizers affect growth and development in bedding plants. Hortscience. 39(4):776-777.
Managing Nitrogen, Potassium, and Boron in New Guinea Impatiens: Is More Better? - (Abstract Only)
Pitchay, D., Frantz, J., Locke, J.C., Krause, C.R. 2004. Managing nitrogen, potassium, and boron in new guinea impatiens: is more better?. Hortscience. 39(4):777.
Evaluating Silica Uptake in Bedding Plants - (Abstract Only)
Frantz, J., Pitchay, D., Locke, J.C., Krause, C.R. 2004. Evaluating silica uptake in bedding plants. Hortscience. 39(4):776.
Water-Holding Polymers: Revisiting Their Role in Bedding Plant Production and Shelf Life - (Abstract Only)
Frantz, J., Pitchay, D., Locke, J.C. Water-holding polymers: revisiting their role in bedding plant production and shelf life. Hortscience. 39(4):856.
Control of Phytophthora and Other Major Diseases of Ericaceous Plants - (Abstract Only)
Hoitink, H.A.J., Nameth, S.T., Locke, J.C. Control of Phytophthora and Other Major Diseases of Ericaceous Plants. Special Circular 189, Ohio Agricultural Research and Development Center and Ohio State University Extension. 2003.
Effect of Botanical Extracts in Combination with Biocontrol Organisms on Control of Fusarium Wilt of Muskmelon - (Abstract Only) - (13-Aug-00)
Effect of Formulated Botanical Extracts in Combination with Biological Control Organisms As An Integrated Strategy to Control Fusarium Wilt - (Other) - (28-Dec-99)
Effect of Botanical Extracts on the Population Density of Fusarium Oxysporum in Soil and Control of Fusarium in the Greenhouse - (Peer Reviewed Journal) - (22-Nov-99)
Usda, Ars, Beltsville Area Programs Directed at Development of Methyl Bromide Alternatives for Pre-Plant Applications - (Abstract Only) - (07-Nov-98)
Usda, Ars, Beltsville Area Programs Directed at Development of Methyl Bromide Alternatives for Pre-Plant Applications - (Abstract Only) - (07-Nov-98)
The Ir-4 Ornamentals Research Program 1977-1998 - (Abstract Only) - (10-Oct-98)
Biological Control of Soilborne Diseases: the Past and Next Twenty Years - (Abstract Only) - (20-Apr-98)
Damping-off Diseases Caused by Rhizoctonia Solani and Pythium Ultimum As Affected by Alginate Prills with Biomass of Biocontrol Fungi and Various Organic Food Bases - (Peer Reviewed Journal) - (21-Dec-95)
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Last Modified: 8/30/2014
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