HGIC Plant Diagnostics - Home and Garden Information Center U of MD.
In left column hover over Vegetables to choose appropriate category: Flowers, Fruits, Heads, Ears or Roots; Leaves; Roots; Seedlings and Transplants; Stems; Whole Plant. Photos and text.
PSU Dept of Entomology - Fact Sheets Mainly text, few photos/sketches; Image Gallery.
Plant Doctor - created by a Penn State horticulturalist and a Master Gardener.
Detailed photos with some text link; cabbage, cucumber, cucurbits, pepper, squash & pumpkins, sweet corn, tomatoes.
Twenty-five Pests You Don't Want In Your Garden - PSU PA IPM Program. Use Control/F keyes to search PDF by insect or host plant.
Vegetable Disease ID and Controls - PSU Integrated Pest Management; detailed photos/text.
Plant Rotation in the Garden Based on Plant Families - PSU Consumer Horticulture Center
PSU Dept. of Entomology Fact Sheets - Early Season Soil Pests Wireworms, White Grubs, Seedcorn Maggot Black Cutworms; Colorada Potato Beetle; End of Season Cleanup; Western and Northern Corn Rootworm Management in Pennsylvania.
Seasonal Classification of Vegetables - PSU Consumer Horticulture Center
Vegetable Varieties for Gardeners - Cornell Citizen Science Program to collect data and help gardeners decide what vegetables are best for their garden.
Bacterial Blights of Beans and Peas - HGIC Plant Diagnostic Website; In left column hover over Vegetables to choose appropriate category: Flowers, Fruits, Heads, Ears or Roots; Leaves; Roots; Seedlings and Transplants; Stems; Whole Plant. Photos and text.
Bean Diseases - PSU Plant Pathology
Growing Garden Beans - PSU; includes varieties, planting, weeding, insect/disease problems and solutions, insect sketches at bottom of pub.
Insect Pests of Soybeans in PA - includes photos of Green Cloverworm, Mexican Bean Beetle in all phases, and Seed Corn Maggot.
Walnut and It's Toxicity Explored - Cornell U. Fact Sheet
National Vegetable Society United Kingdom
Soybean Rust - PSU College of Ag, Health & Emerging Issues, 26 Aug. 2006.
Insect Pests of Soybeans in PA - includes photos of Green Cloverworm, Mexican Bean Beetle in all phases, and Seed Corn Maggot.
Good Tomatoes Gone Bad: Seek Out Some Visual Cues, July 2003 The Green Line, PSU. Basic care recommendations.
To Grow Tasty Tomatoes, Stake Your Garden On These Methods, May 1998, PSU. Includes common problems and possible solutions.
FAQ's - PSU Dept of Plant Pathology.
Plant disease threatens tomatoes and potatoes - Penn State Live