Ecology and epidemiology of diseases of fruit and vegetable crops are a major focus of my research program. Emphasis is on developing and evaluating more cost-efficient, environmentally friendly management tactics.Sooty Blotch and Flyspect of Apple
Revising IPM with Disease-Resistant Apple Cultivars
Leaf Wetness, Warning Systems, and Site-Specific Weather Data
Muskmelon Diseases
Hosta Petiole Rot
Japanese Tree Lilac Leaf Spot
Turfgrass