Nursery, Greenhouse & Christmas Trees IPM Related Sites
Biological Control: A Guide to Natural Enemies in North America, Cornell University
Branching Out, a newsletter from the Plant Pathology department at Cornell University. Branching Out gives timely information on what pests are emerging, and Growing Degree Days for different areas. It has scouting information for NY and neighboring states, and plant phenology, which are phases of development such as time of bloom. Scouting information for diseases and insect pests refers to plates and futher details found in the following books, which are essential in developing an IPM Program for woody ornamentals, trees and shrubs:
- Diseases of Trees and Shrubs by Sinclair, Lyon and Johnson
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Insects that Feed on Trees and Shrubs by Johnson and Lyon
The Department of Horticulture at Cornell University
Electronic Grower Resources Online
Ohio State University's Plant Facts