Disease management for vegetable crops

These articles are for professional vegetable growers. They include necessary information for diagnosing and treating common diseases and infestations that can damage crops and affect economic outcomes for commercial growers.

This information is not intended for home gardeners.

Preventing plant diseases on farms is a quick list of strategies for minimizing plant diseases in vegetable crops.

Broccoli, cabbage, cauliflower, kale (brassicas or cole crops)

• Alternaria leaf spot and head rot
• Black rot
• Clubroot

Cucumber, pumpkin, squash and melon (cucurbits)

• Angular leaf spot
• Anthracnose of cucurbits
• Bacterial wilt of cucurbits
• Choanephora rot
• Downy mildew of cucurbits
• Gummy stem blight and black rot
• Phytophthora blight
• Powdery mildew of cucurbits
• Scab of cucurbits
• Viruses of cucurbits
• White mold in cucurbits

Tomato diseases

• Bacterial canker of tomato
• Bacterial spot of tomato and pepper
• Early blight of tomato
• Fusarium crown and root rot
• Fusarium wilt
• Gray mold of tomato
• Late blight of tomato
• Phytophthora blight
• Pith necrosis of tomato
• Tomato disorders
• Tomato leaf mold
• Tomato leaf spot diseases
• Tomato mosaic virus and tobacco mosaic virus

Other vegetable diseases

• Basil downy mildew
• Bean pod mottle virus on soybean; also affects common beans
• Stem and bulb nematode
• White mold