Diseases- Weeds- Insects & Other Problems-C119

Author(s) M. F. Heimann, G. R. Stanosz Rhizosphaera needle cast occurs throughout the state of Wisconsin but infects only certain conifer species....

Author(s) M. F. Heimann, P. J. Pellitteri. Despite their name, evergreen needles do not stay green forever. Older, inner needles discolor and drop...

Author(s) M. F. Heimann, G. R. Stanosz Sphaeropsis shoot blight and canker, formerly known as Diplodia, is a serious disease of many pine species ...

Author(s) M. F. Heimann, G. L. Worf, R. F. Patton. Dothistroma needle blight causes needle spots, discoloration, and substantial needle loss in he...

Author(s) M.F. Heimann, G.R. Stanosz In Wisconsin, Cytospora canker is especially damaging to Colorado blue spruce, but it also affects Norway spr...

Author(s) Laura G. Jull. This publication focuses on recognizing and preventing plant damage caused by deicing salts, evaluates the pros and cons ...

Author(s) Laura G. Jull. Plant roots, like people, need oxygen for respiration. That is why a flood can stress a plant and even, if roots are subm...

Author(s) P. J. Pellitteri, D. L. Mahr, D. J. Hall. Early season defoliation of pines in southern Wisconsin may be attributed to European pine saw...

Author(s) Chris Williamson, P. J. Liesch, Jim Kerns, Roger Flashinski. Woody Ornamentals Pest Management in Wisconsin is an indispensable resource...

Author(s) R. C. Williamson, P. J. Pellitteri. Tiny aphid-like insects frequently cause unusual swellings called galls at or near the ends of spruc...

Author(s) M. F. Heimann, G. R. Stanosz, G. L. Worf. These two, needle diseases can make Christmas trees unmarketable and can ruin the beauty of Sc...