Page Banner

United States Department of Agriculture

Agricultural Research Service

Related Topics

James C Locke (Jim)
Application Technology Research
Plant Pathology

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
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.)
Silicon accumulation and distribution in petunia and sunflower -
Micronutrient availability from steel slag amendment in pine bark substrates -
Altland, J.E., Locke, J.C., Zellner, W.L. 2016. Micronutrient availability from steel slag amendment in pine bark substrates. Journal of Environmental Horticulture. 34(3)67-74.
Micronutrient availability from steel slag amendment in peatmoss substrates Reprint Icon -
Altland, J.E., Zellner, W.L., Locke, J.C., Krause, C.R. 2015. Micronutrient availability from steel slag amendment in peatmoss substrates. HortScience. 50:1715-1720.
Efficacious insect and disease control with laser-guided air-assisted sprayer Reprint Icon -
Zhu, H., Rosetta, R., Reding, M.E., Zondag, R., Ranger, C.M., Canas, L., Fulcher, A., Krause, C.R., Shen, Y., Liu, H., Chen, Y., Ozkan, E., Derksen, R.C., Locke, J.C., Ernst, S. 2015. Efficacious insect and disease control with laser-guided air-assisted sprayer. 13th Workshop on Spray Application in Fruit Growing, SuproFruit 2015, July 15-18, 2015, Lindau/Lake Constance, Germany. 80-82.
Substrate pH and butterfly bush response to dolomitic lime or steel slag amendment Reprint Icon -
Altland, J.E., Zellner, W.L., Locke, J.C. 2015. Substrate pH and butterfly bush response to dolomitic lime or steel slag amendment. Journal of Environmental Horticulture. 33(2):89-95.
Silicon improves flowering characteristics of sunflower and petunia at low phosphorus rates -
Boldt, J.K., Altland, J.E., Zellner, W.L., Locke, J.C. 2015. Silicon improves flowering characteristics of sunflower and petunia at low phosphorus rates. HortScience. 50(9):S142.
Development of laser-guided precision sprayers for tree crop applications -
Zhu, H., Liu, H., Shen, Y., Chen, Y., Gu, J., 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. 2014. Development of laser-guided precision sprayers for tree crop applications. Proceedings for CIGR World Congress Meetings. Http://www.geyseco.es.geystiona/adjs/comunicationes/304/C00930001.pdf.
Steel slag raises pH of greenhouse substrates -
Altland, J.E., Locke, J.C., Zellner, W.L., Boldt, J.K. 2015. Steel slag raises pH of greenhouse substrates. HortScience. 50(4):603-608.
Influence of pine bark particle size and pH on cation exchange capacity -
Altland, J.E., Locke, J.C., Krause, C.R. 2014. Influence of pine bark particle size and pH on cation exchange capacity. HortTechnology. 24:554-559.
Research is our middle name -
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.
Current projects of the Application Technology Research Unit (ATRU) USDA-ARS, Wooster/Toledo, Ohio -
Krause, C.R., Altland, J.E., Boldt, J.K., Derksen, R.C., Locke, J.C., Ranger, C.M., Reding, M.E., Zhu, H., Zellner, W.L. 2014. Current projects of the Application Technology Research Unit (ATRU) USDA-ARS, Wooster/Toledo, Ohio. The Buckeye. 25(4):18-20.
Steel slag affects pH and Si content of container substrates -
Altland, J.E., Zellner, W.L., Locke, J.C. 2014. Steel slag affects pH and Si content of container substrates. American Society of Horticultural Science.Abstract. 49:S297.
Effect of biochar type on macronutrient retention and release from soilless substrate Reprint Icon -
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 -
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 affects nutrition and growth of five horticulture crops in container culture Reprint Icon -
Locke, J.C., Altland, J.E., Ford, C.W. 2013. Gasified rice hull biochar affects nutrition and growth of five horticulture crops in container culture. Journal of Environmental Horticulture. 31(4):195-202.
Gasified rice hull biochar is a source of phosphorus and potassium for container-grown plants Reprint Icon -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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.
Evaluation of Handgun and Broadcast Systems for Spray Deposition in Greenhouse Poinsettia Canopies Reprint Icon -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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. -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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.
WATER-HOLDING POLYMERS: REVISITING THEIR ROLE IN BEDDING PLANT PRODUCTION AND SHELF LIFE -
Frantz, J., Pitchay, D., Locke, J.C. Water-holding polymers: revisiting their role in bedding plant production and shelf life. Hortscience. 39(4):856.
ANION SPECIES IN FERTILIZERS AFFECT GROWTH AND DEVELOPMENT IN BEDDING PLANTS -
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? -
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 -
Frantz, J., Pitchay, D., Locke, J.C., Krause, C.R. 2004. Evaluating silica uptake in bedding plants. Hortscience. 39(4):776.
Control of Phytophthora and Other Major Diseases of Ericaceous Plants -
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 -
EFFECT OF FORMULATED BOTANICAL EXTRACTS IN COMBINATION WITH BIOLOGICAL CONTROL ORGANISMS AS AN INTEGRATED STRATEGY TO CONTROL FUSARIUM WILT -
EFFECT OF BOTANICAL EXTRACTS ON THE POPULATION DENSITY OF FUSARIUM OXYSPORUM IN SOIL AND CONTROL OF FUSARIUM IN THE GREENHOUSE -
USDA, ARS, BELTSVILLE AREA PROGRAMS DIRECTED AT DEVELOPMENT OF METHYL BROMIDE ALTERNATIVES FOR PRE-PLANT APPLICATIONS -
USDA, ARS, BELTSVILLE AREA PROGRAMS DIRECTED AT DEVELOPMENT OF METHYL BROMIDE ALTERNATIVES FOR PRE-PLANT APPLICATIONS -
THE IR-4 ORNAMENTALS RESEARCH PROGRAM 1977-1998 -
BIOLOGICAL CONTROL OF SOILBORNE DISEASES: THE PAST AND NEXT TWENTY YEARS -
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 -
ARS News Articles
Last Modified: 5/2/2016
Footer Content Back to Top of Page