Diseases- Weeds- Insects & Other Problems-C83

Author(s) Daniel L. Mahr, Paul Whitaker, Nino Ridgway. This colorful, richly illustrated booklet offers an introduction to beneficial natural ene...

Author(s) M. F. Heimann, W. R. Stevenson. Black walnut (Juglans nigra) and butternut (Juglans cinerea) trees produce a toxin called juglone capabl...

Author(s) M. F. Heimann, G. L. Worf. Blackspot is common and potentially serious throughout Wisconsin. The symptoms that positively identify this ...

Author(s) M. F. Heimann, G. L. Worf. These diseases may strike peonies anywhere in Wisconsin. Although distinct, Phytophthora and Botrytis are dis...

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

Author(s) P. J. Pellitteri. Earwigs have large, pincers-like protrusions at the rear of the body, which give them an evil appearance, but they don...

Author(s) John Folstad, Sharon C. Long, Doug Soldat, Geoff Siemering. As interest in community gardening continues to grow, more and more gardens...

Author(s) M. F. Heimann, G. L. Worf. Oedema (edema) is a common problem that affects many greenhouse crops and house plants; occasionally it also ...

Author(s) R. Chris Williamson. This fact sheet on the Japanese beetle, considered the single most important turf grass pest in the United States ...

Author(s) M. F. Heimann, G. L. Worf. Rust is an extremely common fungal disease that invades hollyhock leaves and stems. This fact sheet helps you...

Author(s) M. F. Heimann, G. L. Worf. Viruses can destroy the value of a gladiolus crop. Serious infections have been observed throughout Wisconsin...

Author(s) M.F. Heimann, G.L. Worf. Fusarium disease on gladiolus is common in Wisconsin. This fact sheet details the signs and symptoms of this di...

Author(s) G. L. Worf. Bacterial stem rot and leaf spot is perhaps the most important disease affecting geraniums. This fact sheet will help you un...

Author(s) R. C. Williamson, C. F. Koval. Skeletonizing of the leaves of roses, raspberries, grapes, fruit trees, and many other cultivated trees a...

Author(s) John Folstad, Sharon C. Long, Doug Soldat, Geoff Siemering. As interest in community gardening continues to grow, more and more gardens...

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