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Vegetable Diseases
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Updated: May 10, 2022
IPM - Prevent, Identify, and Manage Plant Problems
How to ID, prevent, and manage plant problems in Maryland using IPM
Updated: June 29, 2022
Early Blight of Tomatoes
Early blight is a very common foliar disease of tomato plants that can result in defoliation and reduced yields.
Updated: June 28, 2022
Fusarium Wilt of Tomatoes in a Home Garden
There can be numerous causes of tomato plant wilting and they should be ruled out before suspecting fusarium wilt.
Updated: May 16, 2022
White Rot of Alliums in the Garden
White rot is a destructive disease of onions and garlic.
Updated: May 16, 2022
Viruses of Vegetables
Specific virus diseases are difficult to distinguish and produce a wide range of symptoms including stunted, slow-growing plants, twisted, crinkled, cupped, or deformed leaves, and leaf discoloration (yellow mottling and mosaic patterns, ringspots, and dark-green banding).
Updated: May 16, 2022
Verticillium Wilt of Vegetables
Symptoms of verticillium include older leaves turning yellow, dying, and dropping off infected plants.
Updated: May 16, 2022
Southern Blight of Vegetables
Many bacteria, fungi, and viruses can cause blights. Southern blight is caused by the fungus Sclerotium rolfsii. Most blights are favored by certain weather conditions, such as hot and humid or cool and moist.
Updated: May 16, 2022
Septoria Leaf Spot of Tomatoes
Septoria leaf spot starts on lower leaves of tomatoes as small, circular gray lesions (spots) with dark borders.
Updated: May 16, 2022
Powdery Mildew on Vegetables
Powdery mildew is a common fungal disease that grows as a white powdery coating over the surfaces of leaves. It has a wide host range.
Updated: May 16, 2022
Phytophthora of Vegetables
Phytophthora is a soil-borne fungal disease that may infect pepper, tomatoes, squash, cucumbers, and eggplant.
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