Marketing of horticultural crops, both edible and ornamental
Organic crop production; production and use of compost for fertility, transplant media and water extracts (tea) for managing soil and plant health.
Pomology: chemical management of crop load on fruit quality and flower initiation to increase cropping efficiency and factors affecting cuticular penetration of foliar-applied plant growth regulators
Herbaceous perennials including ornamental grasses, landscape design styles for low input
Carbon assimilation and partitioning by fruit crops; effects of biotic and abiotic stress on assimilation and carbon partitioning.
Blueberry and strawberry breeding and genetics; marker-assisted selection breeding; environmental biosafety of GE crops.
Mineral nutrition and fertilizer use in fruit production; high-tunnel berry crop production; cover crops and weed management
Sour cherry breeding for fruit quality and disease resistance; cherry genetics; marker-assisted breeding; cherry rootstock selection.
Tree, biofuel and berry crop genetics
Stress physiology, carbohydrate partitioning and photosynthesis.
Youth education; using technology for experiential learning; 4-H Children’s Garden Director.
Mechanisms of phototropism and gravitropism
Green roof technology: plant evaluations, growing substrates, carbon sequestration, stormwater management, energy conservation.
Associate Professor Emeritus
Landscape horticulture; characterization of adaptive traits; plant physiological status during landscape establishment.
Weed control in fruit, vegetables, and Christmas trees; registration of new pesticides.