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 enem...

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) P.J. Pellitter Earwigs have large, pincers-like protrusions at the rear of the body, which give them an evil appearance, but they dont h...

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

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 Blackspot is common and potentially serious throughout Wisconsin. The symptoms that positively identify this d...

Author(s) M. F. Heimann, W. R. Stevenson, G. L. Worf Powdery mildew of ornamentals is a fungal disease encountered by many Wisconsin gardeners eve...

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 o...

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

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

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

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 dis...

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 und...

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

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 scout...