Ralstonia Wilt

Ralstonia wilt is a usually lethal disease that affects a wide variety of vegetable and ornamental plants. Learn about symptoms and how to avoid problems with Ralstonia in this factsheet.

Powdery Mildew (Vegetables)

Powdery mildew occurs on the above-ground parts, especially leaves, of many agricultural crops (including vegetables) as well as many ornamental plants, trees and shrubs. Learn how to manage this disease here.

Potato Scab

This factsheet covers potato scab, a common disease of potato tubers, and can also affect other root vegetables. Learn how to identify and manage this disease in your garden.

Southern Blight

Southern blight is a lethal fungal disease that is most common in the tropics and subtropics, but can cause problems in temperate locations like Wisconsin during periods of warm, moist weather. Learn more here.

Slime Molds

Ann Joy and Brian Hudelson, UW-Madison Plant Pathology Revised:  4/25/2004 Item number:  XHT1091 What is a slime mold?  Slime molds are members of a shape-shifting group of organisms called myxomycetes.  These organisms are found all over the world, even in deserts, high altitudes, and on the edges of snowbanks.  Although they often resemble fungi, slime […]

Septoria Leaf Spot

Septoria leaf spot is a common fungal disease that can devastate tomatoes. Learn how to identify and manage this disease in your garden in this helpful factsheet.

Home Vegetable Insecticides

While cultural methods are preferred to control insect damage in vegetable gardens, insecticides may be necessary at times. This factsheet lists products that control specific specific insect pests.

White Mold

White mold is a serious and often lethal fungal disease that affects a wide variety of plants. Learn about symptoms and management in this factsheet.

Bird’s Nest Fungi

Bird’s nest fungi are not harmful to plants, but grow on decomposing organic matter, such as on mulch in planting beds with damp, shady conditions. Learn more in this factsheet.

Early Blight

Early blight is a common fungal disease that can devastate tomatoes in commercial and home gardens. Learn about symptoms and management in this factsheet.

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