Care

Growing your own food -  Penn State Cooperative Extension Southeast Region; links to resources for growing specific produce.

Diagnostics

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.pdf  - 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.

Crop or Plant Rotation

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

Seasonal Classification of Vegetables - PSU Consumer Horticulture Center

Specific Vegetables

Asparagus

Growing Asparagus PSU.pdf

Culture and Varieties for Home Gardener and Bedding Plant Grower.

Beans

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.pdf

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.

Black Walnut Toxicity

Walnut and It's Toxicity Explored, Cornell U..pdf

Salsify  

Kansas State Univ. fact sheet

Black Salsify

Scorzonera or black salsify, National Vegetable Society UK.pdf

Soybeans

Soybean Rust - PSU College of Ag, Health & Emerging Issues, 26 Aug. 2006.

Insect Pests of Soybeans in PA, PSU Entomology.pdf  - includes photos of Green Cloverworm, Mexican Bean Beetle in all phases, and Seed Corn Maggot.

Tomatoes

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.

Late blight

Caused by Phytophthora infestans; serious disease that affects tomatoes and potatoes around the world

Tomato and Potato Late Blight in the Home Garden, PSU 3.20.2010.pdf  - detailed text/photos.

Tomato and Potato Late Blight in the Home Garden, PSU 3.20.2010.pdf  -  photos and info.

Serious disease threatens home gardens, commercial fields Penn State Live 7.6.2009.pdf - PA counties affected as of 6 July 2009.

FAQ's - Dept of Plant Pathology Penn State.