Agricultural Engineering
	Water quality for pot-in-pot nurseries
	Development of improved air assist sprayer for dense nursery crops
	Development of Harmonic Radar Transponders to Track Black Vine Weevil Behavior in Nurseries
	Develop a user-friendly computer program to predict drift distances of water droplets
	Spray deposits and off-target loss in nurseries
	Investigation of drift reduction potential with air-induction nozzles and conventional nozzles
	Research Weather Network

Plant Pathology
	Impact of application technique on fungicide effectiveness for apple scab control
	Control of Botrytis blight on Reiger begonias with soil amendments.

Greenhouse Production Research (Toledo)
Contact persons: James Locke or Jonathan Frantz
	Evaluation of polyacrylamide hydrogel as a soil amendment on growth, flowering, root morphology, and shelf life of New Guinea impatiens and pansy Improving Growth of Calibrachoa × hybrida (Cerv.) in Hanging Flower Pouches Performance and Theoretical Advantages of Polyacrylamide Hydrogel
	Demonstration of silica uptake in bedding plant species and determination of its role as a nutrient and potential benefit for horticultural quality enhancement, disease and insect resistance, and moderation of micronutrient toxicities
	Determination of critical nutrient requirements of bedding plants to achieve optimum growth, reduce nutrient levels in effluent, and to develop sensor technology for non-destructive monitoring of nutrient levels in plant tissue Applied Nitrogen Concentration Affects Growth of Elatior Begonia and New Guinea Impatiens, and Susceptibility of Begonia to Grey Mold
	Study the role of boron in bedding plant growth and development and identify molecular signals which can be utilized to monitor boron induced stress due to toxicity or deficiency levels in the plant
	Determine the interaction of greenhouse cultural practices; nutrition, media composition, abiotic stresses, etc. on disease expression in bedding plant production Acclimation of Plant Populations to Shade: Photosynthesis,Respiration, and Carbon Use Efficiency
	Interactive greenhouse model

Horticultural Insects
	Subsurface application of insecticides for control of white grubs and black vine weevil in field-grown nursery crops
	Trapping to survey for ambrosia, bark, and other wood-boring beetles
	Development of alternatives to insecticide dips for Japanese beetle quarantine procedures: in collaboration with Tennessee State University
	Study various aspects of white grub and black vine weevil biology, such as behavior and ecology in the nursery ecosystem, and interactions with hosts and natural enemies
	Evaluation of natural enemies for control of white grubs and black vine weevil
	Oviposition behavior of oriental beetle in nursery crops
	Drip chemigation for control of scarab grubs in field-grown nursery crops

IR-4 Food Use and Ornamentals
	Pesticide registration and label expansion for minor crops