Projects

DEVELOP MANAGEMENT TOOLS FOR EARLY STRESS DETECTION AND EFFICIENT AGROCHEMICAL UTILIZATION FOR PROTECTED HORTICULTURE CROPS Appropriated (D)   Accession Number: 414991

MINOR USE PESTICIDE - FOOD/ORNAMENTALS Appropriated (D)   Accession Number: 410214

CROP PROTECTION AND PRODUCTION STRATEGIES FOR HORTICULTURAL CROPS Appropriated (D)   Accession Number: 414933

BIOLOGICAL, MICROCLIMATE, AND TRANSPORT PROCESSES AFFECTING PEST CONTROL APPLICATION TECHNOLOGY Appropriated (D)   Accession Number: 414932

ENHANCING GREENHOUSE SOILLESS CULTURE PRODUCTION WITH IMPROVED DISEASE AND PEST MANAGEMENT Specific Cooperative Agreement (S)   Accession Number: 411762

FLORICULTURE GERMPLASM ENHANCEMENT: USING GENETIC ENGINEERING TO IMPROVE POSTPRODUCTION QUALITY Specific Cooperative Agreement (S)   Accession Number: 410067

FATE OF AGROCHEMICALS IN POT-IN-POT NURSERY CULTURE Specific Cooperative Agreement (S)   Accession Number: 409810

EVALUATION OF COMPOSTS FOR USE IN SOILLESS POTTING MEDIA Specific Cooperative Agreement (S)   Accession Number: 410790

Publications

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.

The influence of phosphorus concentration on the development of Pythium root rot disease of seedling geranium - (Abstract)

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)

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.

Potential for the use of silicon to alleviate disease stresses in floricultural crop production - (Abstract)

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.

Influence of spray additives on droplet evaporation and residual patterns on wax and wax-free surfaces - (Proceedings/Symposium)

Zhu, H., Yu, Y., Ozkan, E.H., Derksen, R.C., Krause, C.R. 2008. Influence of spray additives on droplet evaporation and residual patterns on wax and wax-free surfaces. ASABE Annual International Meeting. Paper #083752.

Uniformity of agro-chemicals and bio-compounds applied through drip irrigation system - (Proceedings/Symposium)

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 - (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)

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.

What¿s IR-4 Done For Me Lately? - (Abstract)

Krause, C.R. 2007. What¿s IR-4 Done For Me Lately? OFA Bulletin. No. 905:29-30.

Influence of Spray Volume on Spray Deposition and Coverage Within Nursery Trees - (Peer Reviewed Journal)

Zhu, H., Zondag, R.H., Derksen, R.C., Reding, M.E., Krause, C.R. 2008. Influence of Spray Volume on Spray Deposition and Coverage Within Nursery Trees. Journal of Environmental Horticulture. 26(1):51-57.

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. vol 39:2734-2751

Coverage and Drift Produced by Air Induction and Conventional Hydraulic Nozzles Used for Orchard Applications - (Peer Reviewed Journal)

Derksen, R.C., Zhu, H., Fox, R.D., Brazee, R.D., Krause, C.R. 2007. Coverage and drift produced by air induction and conventional hydraulic nozzles used for orchard applications. Transactions of the ASABE. 50(5):1493-1501.

Comparison of irrigation, leachate and tree growth between soilless and coal ash based media - (Proceedings/Symposium) - (30-Jun-07)

Investigation of Drainage and Plant Growth from Nursery Container Substrate - (Peer Reviewed Journal)

Zhu, H., Frantz, J., Derksen, R.C., Krause, C.R. 2007. Investigation of Drainage and Plant Growth from Nursery Container Substrate. Applied Engineering in Agriculture. 23(3):289-297.

The effect of spray volume and quality on handgun delivery of pesticides to greenhouse plants - (Proceedings/Symposium)

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.

Virtual Grower: Estimating Greenhouse Energy Costs and Plant Growth Using New Computer Software - (Abstract)

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.

Spray Characteristics and Drift Reduction Potential with Air Induction and Conventional Flat Fan Nozzles - (Peer Reviewed Journal)

Guler, H., Zhu, H., Ozkan, H.E., Derksen, R.C., Yu, Y., Krause, C.R. 2007. Spray characteristics and drift reduction potential with air induction and conventional flat fan nozzles. Transactions of the ASABE. 50(3):745-754.

Target Region Amplification Polymorphism (TRAP) as a Tool for Detecting Genetic Variation in the Genus Pelargonium - (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.

Wide-swath Spray Application in Ornamental Nurseries with Cannon Air Jet Sprayer - (Proceedings/Symposium)

Zhu, H., Yu, Y., Derksen, R.C., Ozkan, H.E., Krause, C.R. 2007. Wide-swath Spray Application in Ornamental Nurseries with Cannon Air Jet Sprayer. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE), June 17-21, 2007, Minneapolis, MN. Paper No. 071069.

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 - (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.

A Specially Designed Air-Assist Sprayer to Improve Spray Penetration and Air Jet Velocity Distribution Inside Dense Nursery Crops - (Peer Reviewed Journal)

Zhu, H., Brazee, R.D., Derksen, R.C., Fox, R.D., Krause, C.R., Ozkan, H.E., Losely, K.E. 2006. A specially designed air-assist sprayer to improve spray penetration and air jet velocity distribution inside dense nursery crops. Transactions of the ASABE. 49(5):1285-1294.

Virtual Grower - (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 - (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

Achieve PIP Precision - (Popular Publication)

Zhu, H., Zondag, R.H., Krause, C.R., Demaline, T. 2006. Achieve PIP Precision. Nursery Management and Production. p. 59-64.

Delay of Expression of Powdery Mildew on Zinnia Grown Hydroponically in Hoagland's Solution Fortified with Silicon - (Abstract)

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)

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 - (Abstract)

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.

Dynamic Air Velocity and Spray Deposition Inside Dense Nursery Crops with a Multi-Jet Air-Assist Sprayer - (Proceedings/Symposium)

Zhu, H., Derksen, R.C., Krause, C.R., Ozkan, H.E., Brazee, R.D., Fox, R.D., Losely, K. 2006. Dynamic air velocity and spray deposition inside dense nursery crops with a multi-jet air-assist sprayer [Abstract]. ASABE Annual International Meeting. Paper No. 061125.

Spray Characteristics and Wind Tunnel Evaluation of Drift Reduction Potential with Air Induction and Conventional Flat Fan Nozzle - (Proceedings/Symposium)

Guler, H., Zhu, H., Ozkan, H.E., Derksen, R.C., Yu, Y., Krause, C.R. 2006. Spray characteristics and wind tunnel evaluation of drift reduction potential with air induction and conventional flat fan nozzle [Abstract]. American Society Agricultural Biological Engineers, Annual International Meeting. Paper No. 06111.

Development of a Canopy Opener to Increase Spray Deposition and Coverage Inside Soybean Canopies - (Proceedings/Symposium)

Zhu, H., Derksen, R.C., Ozkan, H.E., Guler, H., Brazee, R.D., Reding, M.E., Krause, C.R. 2006. Development of a canopy opener to increase spray deposition and coverage inside soybean canopies [Abstract]. ASABE Annual International Meeting. Paper No. 061164.

The New Computer Program Virtual Grower Will Help in Greenhouse Management - (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

Foliar Deposition and off-Target Loss with Different Spray Techniques in Nursery Application - (Peer Reviewed Journal)

Zhu, H., Derksen, R.C., Guler, H., Krause, C.R., Ozkan, H.E. 2006. Foliar deposition and off-target loss with different spray techniques in nursery application. Transactions of the ASAE. 49(2): p.325-334.

New, Innovative Research in Pesticide Application Technologies - (Proceedings/Symposium)

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.

Wind Tunnel Evaluation of Drift Reduction Potential and Spray Characteristics with Drift Retardants at High Operating Pressure - (Peer Reviewed Journal)

Guler, H., Zhu, H., Ozkan, H.E., Derksen, R.C., Krause, C.R. 2006. Wind tunnel evaluation of drift reduction potential and spray characteristics with drift retardants at high operating pressure. American Society for Testing and Materials. 3(5):1-9.

The Effect of Application Variables on Spray Retention, Coverage, and Ground Losses in Nursery Tree Applications - (Peer Reviewed Journal)

Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Zondag, R. 2006. The effect of application variables on spray retention, coverage, and ground losses in nursery tree applications. Journal of Environmental Horticulture. 24(1):45-52.

Investigation of Nursery Canopy and Ground Deposition with Three Spray Techniques - (Proceedings/Symposium)

Zhu, H., Derksen, R.C., Guler, H., Krause, C.R., Ozkan, H.E. 2006. Investigation of nursery canopy and ground deposition with three spray techniques. In: Aspects of Applied Biology 77. International Advances in Pesticide Applications 2006, January 8-13, 2006, Robinson College, Cambridge, UK. p. 49-495.

Evaluation of Various Spraying Equipment for Effective Application of Fungicides to Control Asian Soybean Rust - (Proceedings/Symposium)

Ozkan, H.E., Zhu, H., Derksen, R.C., Guler, H., Krause, C.R. 2006. Evaluation of various spraying equipment for effective application of fungicides to control Asian Soybean Rust. Aspects of Applied Biology 77. International Advances in Pesticide Applications 2006, Robinson College, Cambridge, UK, January 8-13, 2006. p. 423-431.

Suppression of Botrytis Gray Mold in Hiemalis Begonia with Potting Mix Amendments - (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.

Effects of Air-Assisted and Conventional Spray Delivery Systems on Management of Soybean Diseases - (Proceedings/Symposium)

Derksen, R.C., Zhu, H., Ozkan, H.E., Dorrance, A.E., Krause, C.R. 2006. Effects of air-assisted and conventional spray delivery systems on management of soybean diseases. Aspects of Applied Biology 77. International Advances in Pesticide Applications 2006, Robinson College, Cambridge, UK. p. 415-422.

Powdery Mildew of Greenhouse Crops - (Other)

Omer, M.A., Locke, J.C., Krause, C.R. 2005. Powdery mildew of greenhouse crops. Resource v1, Issue 3, p.2-3..

Wind Tunnel Evaluation of Drift Reduction Potential with Air Induction Nozzles, Low Pressure Conventional Nozzles and Drift Retardants - (Abstract)

Guler, H., Zhu, H., Ozkan, H.E., Derksen, R.C., Krause, C.R. 2006. Wind tunnel evaluation of drift reduction potential with air induction nozzles, low pressure conventional nozzles and drift retardants [Abstract]. In: 26th Symposium on Pesticide Formulation and Delivery Systems: Reassessing Pesticide Technologies, October 18-20, 2005, Dallas, Texas. p. 30.

Actual Performance Versus Theoretical Advantages of Polyacrylamide Hydrogel Throughout Bedding Plant Production - (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)

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 - (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.

Monitoring Water Use, Nutrient Management, Drainage and Leachate in Pot-in-Pot Nursery Container Production - (Proceedings/Symposium)

Zhu, H., Krause, C.R., Zondag, R. 2005. Monitoring water use, nutrient management, drainage and leachate in pot-in-pot nursery container production. In: 9th International Congress on Mechanization and Energy in Agriculture and 27th International Conference of CIGR, September 27-29, 2005, Izmir-Turkey. p. 264-269.

Towards a Healthy Plant - (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.

Spray Deposition and off-Target Loss in Nursery Tree Crops with Conventional Nozzle, Air Induction Nozzle and Drift Retardant - (Proceedings/Symposium)

Zhu, H., Derksen, R.C., Krause, C.R., Brazee, R.D., Zondag, R., Fox, R.D., Reding, M.E., Ozkan, E.H. 2005. Spray deposition and off-target loss in nursery tree crops with conventional nozzle, air induction nozzle and drift retardant. ASAE Annual International Meeting, July 17-22, 2005, Tampa, Florida. Paper # 051007.

Do Circadian Rhythms Accentuate K-Deficiency in Geranium? - (Abstract)

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.

A New System to Monitor Water and Nutrient Use Efficiency in Pot-in-Pot Nursery Production System - (Peer Reviewed Journal)

Zhu, H., Krause, C.R., Zondag, R.H., Brazee, R.D., Derksen, R.C., Reding, M.E., Fausey, N.R. 2005. A new system to monitor water and nutrient use efficiency in pot-in-pot nursery production system. Journal of Environmental Horticulture. 23(1):47-53.

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.

Effect of Solution Ph Conditions on Fluorescence of Spray Deposition Tracers - (Peer Reviewed Journal)

Zhu, H., Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Ozkan, H.E. 2005. Effect of solution ph conditions on fluorescence of spray deposition tracers. Applied Engineering in Agriculture. 21(3):325-329.

Foliar Silica Deposition in New Guinea Impatiens - (Peer Reviewed Journal)

Frantz, J., Dharmalingam, D.S., Locke, J.C., Horst, L., Krause, C.R. 2005. Foliar silica deposition in new guinea impatiens. Plant Health Progress. Available: http://www.plantmanagementnetwork.org/php.

Preliminary Investigation of Water and Nutrient Use, Substrate Temperature and Moisture in Pot-in-Pot Production - (Research Notes)

Zhu, H., Zondag, R.H., Krause, C.R., Derksen, R.C., Demaline, T. 2005. Preliminary investigation of water and nutrient use, substrate temperature and moisture in pot-in-pot production. Extension Circular 195. pp. 135-144.

Fluorescent Intensity of Solutions Containing Fluorescent Substances under Different Ph Conditions - (Peer Reviewed Journal)

Zhu, H., Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Ozkan, E.H. 2005. Fluorescent intensity of solutions containing fluorescent substances under different ph conditions. American Society for Testing and Materials. 2(6):1-7.

Viability of a Biological Pest Control Agent Through Hydraulic Nozzles - (Peer Reviewed Journal)

Fife, J.P., Ozkan, H.E., Derksen, R.C., Grewal, P.S., Krause, C.R. 2005. Viability of a biological pest control agent through hydraulic nozzles. Transactions of the ASAE. 48(1):45-54.

Real-Time Measurement of Drainage from Pot-in-Pot Container Nurseries - (Peer Reviewed Journal)

Zhu, H., Krause, C.R., Derksen, R.C., Brazee, R.D., Zondag, R., Fausey, N.R. 2004. Real-time measurement of drainage from pot-in-pot container nurseries. Transactions of the ASAE. 47(6):1973-1979.

The Ir-4 Project and ARS Minor Use Pesticide Program: Meeting the Needs of Today's Growers - (Popular Publication)

Giovannini, M.S., Krause, C.R. 2004. The ir-4 project and ars minor use pesticide program: meeting the needs of today's growers. Popular Publication.

Research to Reduce Potential Damage from Spray Drift Loss by the USDA-ARS Application Technology Research Unit - (Proceedings/Symposium)

Derksen, R.C., Zhu, H., Krause, C.R., Ozkan, H.E., Fox, R.D., Brazee, R.D. 2004. Research to reduce potential damage from spray drift loss by the USDA-ARS Application Technology Research Unit. Proceedings of International Drift on Pesticide Application for Drift Management Meeting, October 27-29, 2005. Waikoloa, Hawaii. p. 414-421.

Driftsim -- a User-Friendly Computer Program to Predict Drift Distances of Droplets - (Proceedings/Symposium)

Zhu, H., Fox, R.D., Ozkan, H.E., Derksen, R.C., Krause, C.R. 2004. An application computer program (DRIFTSIM) to predict drift distances of water droplets from field sprayers. In: Ramsay, C., Hewitt, A. , Thistle, H., Hoffman, C., Wold, R., Wolf, T. (editors) Proceedings of International Conference on Pesticide Application for Drift Management. October 27-29, 2004. Waikoloa, Hawaii. p. 317-323.

New Techniques for Monitoring Drip Irrigation Water Use Efficiency, Drainage, and Leachate in Containers - (Proceedings/Symposium)

Zhu, H., Krause, C.R., Derksen, R.C., Zondag, R.H., Brazee, R.D., Fausey, N.R. 2004. New techniques for monitoring drip irrigation water use efficiency, drainage, and leachate in containers. ASAE Annual International Meeting. Paper No. 042247.

Spray Deposition in Taxus and Air Velocity Profile for a Five-Port, Air-Assist Sprayer - (Proceedings/Symposium)

Zhu, H., Derksen, R.C., Fox, R.D., Brazee, R.D., Fox, R.D., Ozkan, H.E. 2004. Spray deposition in taxus and air velocity profile for a five-port, air-assist sprayer. ASAE Annual International Meeting. Paper No. 041032.

Managing Nitrogen, Potassium, and Boron in New Guinea Impatiens: Is More Better? - (Abstract)

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)

Frantz, J., Pitchay, D., Locke, J.C., Krause, C.R. 2004. Evaluating silica uptake in bedding plants. Hortscience. 39(4):776.

Spray Delivery by Air Curtain and Axial Fan Orchard Sprayers to Nursery Trees - (Peer Reviewed Journal)

Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Zondag, R. 2004. Spray delivery by air curtain and axial fan orchard sprayers to nursery trees. Journal of Environmental Horticulture. 22(1):17-22.

Fall Subsurface Insecticide Treatments Against European Chafer Grubs Damaging Field-Grown Ornamentals - (Peer Reviewed Journal)

Reding, M.E., Klein, M.G., Brazee, R.D., Krause, C.R. 2004. Fall subsurface insecticide treatments against european chafer grubs damaging field-grown ornamentals. Journal of Environmental Horticulture. 22(1):32-36.

Detection and Quantification of Nursery Spray Penetration and off-Target Loss with Electron Bean 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 bean and conductivity analysis. Transactions of the ASAE. 47(2): 375-384.

Determination of Water Quality, Water Use Efficiency and Water Runoff in Pot-in-Pot Nurseries - (Research Notes)

Krause, C.R., Zhu, H., Zondag, R., Shipitalo, M.J., Williams, K.A., Brazee, R.D., Derksen, R.C., Reding, M.E., Demaline, T. 2004. Determination of water quality, water use efficiency and water runoff in pot-in-pot nurseries. Extension Publications. 193:78-83.

Ir-4 Ornamental Trials Conducted by USDA-ARS in Ohio: 2003 - (Proceedings/Symposium)

Anderson, B.A., Reding, M.E., Klein, M.G., Krause, C.R. 2004. Ir-4 Ornamental Trials Conducted by USDA-ARS in Ohio: 2003. Extension Circular. 193:130-134.

The Usda, Agricultural Research Service Research Weather Station Network in Northern Ohio Nurseries - (Research Notes)

Brazee, R.D., Williams, K.A., Lohnes, D., Derksen, R.C., Zhu, H., Zondag, R., Krause, C.R. 2004. The USDA, Agricultural Research Service research weather station network in northern Ohio nurseries. Extension Publications. 193:190-193.

Evaluation of Fan-Pattern Spray Nozzle Wear Using Scanning Electron Microscopy - (Peer Reviewed Journal)

Krause, C.R., Reichard, D.L., Zhu, H., Brazee, R.D., Ozkan, H.E., Fox, R.D. 2003. Evaluation of fan-pattern spray nozzle wear using scanning electron microscopy. Scanning. 25:8-10.

Evaluation of a Contraction Flow Field on Hydrodynamic Damage to Entomopathogenic Nematodes - a Biological Pest Control Agent - (Proceedings/Symposium)

Fife, J.P., Derksen, R.C., Ozkan, H.E., Grewal, P.S., Chalmers, J.J., Krause, C.R. 2004. Evaluation of a contraction flow field on hydrodynamic damage to entomopathogenic nematodes - a biological pest control agent. Biotechnology and Bioengineering. 86(1):96-107.

Fungicide Applications in Greenhouses - (Abstract)

Derksen, R.C., Krause, C.R. 2003. Fungicide applications in greenhouses. Phytopathology. 93:5118.

Comparing Greenhouse Sprayers: the Dose-Transfer Process - (Peer Reviewed Journal)

Ebert, T.A., Derksen, R.C., Downer, R.A., Krause, C.R. 2003. Comparing Greenhouse Sprayers: The Dose-Transfer Process. Journal of Pesticide Science. 60:507-513.

Supression of Powdery Mildew and Gray Mold of Begonia Induced by Trichoderma Hamatum 382 in Peat and Compost Amended Potting Mixes - (Abstract)

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 - (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

The Usda/agricultural Research Service Research Weather Network in Lake County, Ohio - 2002 Update - (Experiment Station)

Brazee, R.D., Derksen, R.C., Krause, C.R., Williams, K.A., Lohnes, D., Klein, M.G., Reding, M.E., Lyons, R., Hendricks, W., Zondag, R. 2004. The usda/agricultural research service research weather network in lake county, ohio - 2002 update. Extension Circular. 189:145-148.

Research on Black Vine Weeil and White Grubs in Ornamental Nurseries in Ohio by USDA-ARS - (Experiment Station)

Reding, M.E., Klein, M.G., Brazee, R.D., Krause, C.R. 2003. Research on black vine weeil and white grubs in ornamental nurseries in ohio by usda-ars. Extension Circular. 189:89-93.

Ir-4 Ornamental Trials Conducted by USDA-ARS in Ohio: 2002 - (Experiment Station)

Anderson, B.A., Reding, M.E., Klein, M.G., Krause, C.R. 2003. Ir-4 ornamental trials conducted by usda-ars in ohio: 2002. Extension Circular. 189:85-88.

Biological Suppression of Foliar Diseases of Ornamental Plants with Composted Manures, Biosolids, and Trichoderma Hamatum 382 - (Abstract)

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.