Disease Management in Greenhouse & Nursery (Category 3.1 Commercial / 104 and 105 Private). Presented by Kristen Krokowski, Commercial Horticulture Educator, Waukesha County Extension. This video originally was feature in the DVD "Private and Commercial Pesticide Applicator Training: Greenhouse & Nursery (Private Category 104/105) and (Commercial Category 3.1). Last updated 2012.