Diseases- Weeds- Insects & Other Problems-C280

Author(s) J. B. Colquhoun, S. A. Chapman, A. J. Gevens, R. L. Groves, D. J. Heider, B. M. Jensen, G. R. W. Nice, M. D. Ruark, Y. Wang This guide of...

Author(s) Jed Colquhoun This manual provides an objective analysis of organic weed management strategies, based on peer-reviewed and published app...

Author(s) Christelle Guédot, Janet van Zoeren In the summer of 2016, the brown marmorated stink bug (BMSB) was detected for the first time in agri...

Author(s) Karen Delahaut, Walt Stevenson Fusarium and Verticillium wilts once routinely devastated tomato crops. However, the availability of resi...

Author(s) Karen Delahaut, Walt Stevenson Environmental factors can affect the look-and sometimes the flavor-of developing tomato fruits. Because t...

Author(s) Karen Delahaut, Walt Stevenson  Bacterial spot and speck are found wherever tomatoes or peppers are grown. On occasion these diseases ca...

Author(s) Susan E. Rice Mahr, Raymond A. Cloyd, Daniel L. Mahr, Clifford S. Sadof Greenhouse managers wage ongoing battles with insect pests. This...

Author(s) Amanda Gevens, Jaime Wilbur Late blight affects a variety of plants in the Solanaceae family but is best known for its destruction of p...

Author(s) Karen Delahaut, Walt Stevenson Angular leaf spot is a bacterial disease that can be economically damaging to cucumbers, honeydew melon, ...

Author(s) Karen Delahaut, Walt Stevenson Phytophthora blight is a fungal disease capable of completely destroying zucchini, pumpkin, summer squash...

Author(s) Amanda Gevens, Jaime Wilbur Late blight can result in complete destruction of tomato crops if left unmanaged. Learn about the symptoms,...

Author(s) Karen Delahaut, Walt Stevenson Both early blight and Septoria leaf spot are potentially serious diseases that affect the leaves, stems, ...

Author(s) Karen Delahaut, Walt Stevenson Clubroot is an old and serious disease of cole crops, including Brussels sprouts, cabbage, Chinese cabbag...

Author(s) Karen Delahaut, Walt Stevenson Once a very destructive disease, blackleg of cole crops has become less important with the introduction o...

Author(s) Karen Delahaut, Walt Stevenson Black rot is one of the most serious diseases of cole crops. Learn about black rot's life cycle, how it a...

Author(s) Karen A. Delahaut This fact sheet covers the imported cabbageworm, the cabbage looper, and the diamondback moth. Scouting tips and effec...

Author(s) Karen Delahaut, Walt Stevenson Alternaria and Cercospora leaf blights are common fungal diseases of carrot leaves and petioles. Learn ab...

Author(s) K. A. Delahaut Cabbage maggots are insects that damage cole crops by feeding on the plants roots and lower stems. Wounds produced by thi...

Author(s) Karen Delahaut Black cutworm larvae are active nighttime feeders, clipping many seedlings at or below the soil line. They prefer beets, ...

Author(s) Susan E. Rice Mahr, Daniel L. Mahr, Jeffrey A. Wyman This detailed publication will help you better understand, plan, and conduct biologi...

Author(s) Karen Delahaut, Walt Stevenson Cercospora leaf spot is the most prevalent and devastating disease of the table beet in Wisconsin. This f...

Author(s) K. A. Delahaut Aster leafhoppers feed on vegetables, field crops, flowers and weeds, spreading aster yellows disease. Learn when to scou...

Author(s) Zahi K. Atallah, Walter R. Stevenson Potato tubers may become infected in the field but show no symptoms for days, or even weeks, after ...

Author(s) K. A. Delahaut The common and spotted asparagus beetle are common pests in Wisconsin. This fact sheet details the insects' life cycle, t...