Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production
Plant Disease ID
Vegetable MD Online
Pests in the Northeastern United States
Cornell Vegetables
Biological Control: A Guide to Natural Enemies in North America, Cornell University
Weed Fact Sheets from Pennsylvania State University
Vegetable Extension and Research Program, Department of Horticulture Cornell University
Purdue Fruit and Vegetable Connection
University of Connecticut IPM for Vegetables
The IPM Institute
UMASS Extension Vegetable IPM project
ATTRA- National Sustainable Agriculture Information Service
Organic Agriculture at Cornell University
National Agricultural Statistics Service
Ohio State University's Plant Facts
AgWeb.INFO
APSnet- The American Phytopathological Society