Diseases of vegetable plants can pose a challenge for the home gardener. While cultural methods are the preferred options for disease management in home vegetable gardens, if diseases become problematic, fungicide treatments are also an option. This guide will help identify some of the common, and most suitable, fungicides.
Growing vegetables from seed is a common practice for many home gardeners. Unfortunately, vegetable seed can sometimes be contaminated with disease-causing organisms, particularly disease-causing bacteria. Learn how to use hot water treatment to reduce pathogens that may be carried on seeds in this guide.
Bacterial spot of tomato is a potentially devastating disease that, in severe cases, can lead to unmarketable fruit and even plant death. Bacterial spot can occur wherever tomatoes are grown, but is found most frequently in warm, wet climates, as well as in greenhouses. Symptoms and management are covered in this factsheet.
Bacterial speck is a common disease of tomato that occurs worldwide. The disease can substantially reduce yield when it severely affects leaves early in the growing season, and can have an even greater impact on quality when symptoms occur on tomato fruit. Learn about this disease and ways to prevent it in this factsheet.
Cucumber mosaic is a viral disease of worldwide distribution that affects over 1200 plant species. Hosts include 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 is a devastating disease that affects the leaves, branches, and stems of many types of basil (i.e., plants in the genus Ocimum) commonly used for cooking. This factsheet describes symptoms and how to avoid problems with this disease.
Author(s): Amanda Gevens and Michelle Marks Cucurbit downy mildew is a potentially serious disease of all plants in the gourd family (Cucurbitaceae), including cucumber, watermelon, cantaloupe, pumpkin, and squash. The disease causes sudden, rapidly developing and widespread foliar disease epidemics that can be very destructive. In recent years in the Midwestern United States, cucurbit downy […]
Root-knot nematodes (Meloidogyne spp.) are small, soilborne, worm-like organisms that infect many agricultural and horticultural plants. This publication describes the symptoms, management and control of root-knot nematodes in Wisconsin.
Foliar nematodes are microscopic worm-like organisms in the genus Aphelenchoides. They live in and on the leaves (and other above-ground plants parts) of over 450 plant species in more than 75 plant families. They are commonly found on hostas, but can affect other herbaceous ornamentals. Learn what to look for and how to manage foliar nematodes in this factsheet.
May/June beetles or “Junebugs” (Phyllophaga spp.) are beetles in the family Scarabaeidae. These native insects are common throughout Wisconsin and can often be seen flying near lights or heard hitting window screens on early summer evenings. Learn more about these large beetles and their larva, found in the soil, in this factsheet.
K.A. Delahaut, A.C. Newenhouse Revised: 10/10/2011 Item number: A3688 Growing vine crops such as pumpkins, melons, cucumbers, gourds, and squash is an excellent way to bring a weed-infested field into production. This publication tells you all you need to know to select, plant, manage, and harvest these vine crops in Wisconsin (19 pages). […]
Tobias Lunt*, UW-Madison Plant Pathology Revised: 10/18/2013 Item number: XHT1224 What is bacterial soft rot? Bacterial soft rots are a group of diseases that cause more crop loss worldwide than any other bacterial disease. Bacterial soft rots damage succulent plant parts such as fruits, tubers, stems and bulbs of plants in nearly every plant family. […]