Diseases- Weeds- Insects & Other Problems-C280

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

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 This guide offers th...

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...

Author(s) K. M. Kobriger, D. J. Hagedorn, W. R. Stevenson  Bean root rot is one of the most destructive diseases of commercially grown snap beans ...

Author(s) K. A. Delahaut Flea beetles are an early season pest commonly found on all members of the cole crop group, such as cabbage, cauliflower,...

Author(s) Eileen M. Cullen, John Wedberg This fact sheet details the life cycle of the European corn borer, or Ostrinia nubilalis, including the d...

Author(s) Amanda Gevens, Michelle Marks Cucurbit downy mildew is a destructive disease of all plants in the gourd family, including cucumber, wat...

Author(s) K. A. Delahaut Spotted and striped cucumber beetles damage vine crops like cucumbers, squash, watermelons, muskmelons, and pumpkins. Thi...

Author(s) J. L. Wedberg This fact sheet details the life cycle of the northern, western, and southern corn rootworms, the damage they can cause, ...

Author(s) K. A. Delahaut, E. M. Cullen, J. L. Wedberg The corn earworm Helicoverpa zea can cause serious economic damage to fresh market and proc...

Author(s) Karen Delahaut, Walt Stevenson Common smut is caused by the fungus Ustilago maydis and is the most widespread disease of sweet corn, occ...

Author(s) K. A. Delahaut This publication is packed with practical information for organic and conventional growers who encounter Colorado potato ...