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Gardening Articles

Managing Thrips in Greenhouses

Western flower thrips are likely the most serious pest of greenhouse crops in the world. Learn about these pests, the damage they cause, and management options in this factsheet.

Managing Mites in Greenhouses

Several types of mites can cause serious damage to a variety of greenhouse crops. Learn why mites are a problem in greenhouses, and what to do about them, in this factsheet.

Managing Aphids in Greenhouses

Aphids can be persistent and serious pests in the greenhouse, and can be difficult to control due to high reproductive capability and insecticide resistance. Learn more in this factsheet.

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 article 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.

Nectria Canker

Nectria canker is a common and potentially lethal disease that affects many species of trees and shrubs. This factsheet describes what nectria canker looks like and management options.

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

What are slime molds?  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 molds are more closely related to amoebas and certain seaweeds. What do slime molds […]

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.

Larder Beetles

Phil Pellitteri, UW Insect Diagnostic Lab Revised:  4/27/2004 Item number:  XHT1051 Adult larder beetles (Dermestes lardarius) are 1∕3 inch long black beetles with a broad, pale tan, black spotted band across the front portion of the wing covers.  Larder beetle larvae are reddish brown and densely covered with short and long hairs, and have two […]

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.

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