Bacterial Wilt of Cucurbits
Bacterial wilt is a common and destructive disease that affects cucurbits, including crops such as melon, cucumber and, to a lesser extent, squash and pumpkin. Learn more in this factsheet.
Diseases & Disorders
Tomato Spotted Wilt of Potato
Tomato spotted wilt is a viral disease of worldwide distribution that can affect a wide range of vegetables, fruits, field crops, and ornamentals, and even weeds! Learn more here.
Growing Broccoli, Cauliflower, Cabbage, and Other Cole Crops in Wisconsin
This detailed publication is packed with practical information for organic and conventional growers of cole crops, including broccoli, Brussels sprouts, cabbage, cauliflower, collards, kale and kohlrabi.
Growing Onions, Garlic, Leeks, and Other Alliums in Wisconsin
This detailed 21-page publication covers growing various alliums, including onions, leeks, scallions and garlic. Learn about selection, planting, soil, irrigation, pests and harvesting here.
Home Vegetable Garden Fungicides
While cultural methods are the preferred options for disease management in vegetable gardens, fungicide treatments are also an option. This guide identifies some of the common, and most suitable, fungicides.
Hot-Water Seed Treatment for Disease Management
Growing vegetables from seed is common for many home gardeners, but seed can sometimes be contaminated with disease-causing organisms. Learn about hot water seed treatment to reduce pathogens in this guide.
Bacterial Spot of Tomato
Bacterial spot of tomato can lead to unmarketable fruit and even plant death. It’s found most frequently in warm, wet climates, as well as in greenhouses. Symptoms and management are covered in this factsheet.
Bacterial Speck of Tomato
Bacterial speck can reduce yield when it severely affects leaves early in the growing season, and when symptoms occur on tomato fruit. Learn about this disease and ways to prevent it in this factsheet.
Cucumber Mosaic
Cucumber mosaic is a viral disease that affects a wide range of fruits, vegetables, herbaceous and woody ornamentals, and weeds. This factsheet covers identification and ways to prevent this incurable disease.
Basil Downy Mildew
Basil downy mildew is a devastating disease that affects the leaves, branches, and stems of many types of basil commonly used for cooking. This factsheet describes symptoms and how to avoid problems with this disease.
Cucurbit Downy Mildew: Identification and Management
Cucurbit downy mildew can affect all plants in the gourd family, including cucumber, watermelon, cantaloupe, pumpkin and squash. Learn about identification and management here.
Root-Knot Nematode
Root-knot nematodes are small, soilborne, worm-like organisms that infect many agricultural and horticultural plants. This publication describes the symptoms, and management of root-knot nematodes in Wisconsin.
