Odorous House Ants

Odorous house ants (Tapinoma sessile) can be found across the United States and are one of the most common ants found in and around structures in Wisconsin. These ants are known for their fondness for sugary foods and their distinctive odor when crushed.

Landscaping In Spite of Black Walnuts

Black walnut trees can have a dramatic, negative affect on certain plants. To learn more about juglone toxicity and which plants are suceptible, read this article…

Common and Glossy Buckthorns

The Management of Invasive Plants in Wisconsin series explains how to identify invasive plants, including common and glossy buckthorns, and provides common management options.

Tobacco Mosaic

Tobacco mosaic causing a blotchy light and dark coloring (mosaic) of tobacco leaves. Tobacco mosaic causing a blotchy light and dark coloring (mosaic) of tobacco leaves.

Verticillium Wilt of Vegetables

This factsheet covers Verticillium wilt, a typically fatal disease that affects a wide range of vegetable crops and other plants. Symptoms include sudden yellowing of foliage.

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.

Support Extension