Gray leaf spot of corn is caused by the fungus Cercospora zeae-maydis. The fungus is now widespread in Indiana and the Eastern Corn Belt (Midwest). Weather strongly influences development of gray leaf ...

A Pennsylvania state forestry expert says native pests are causing troublesome impacts to several valuable tree species.

Gray leaf spot, caused by the fungus Cercospora zeae maydis is the most significant yield-limiting disease of corn worldwide [1]. The disease was first reported in Illinois in 1924, and has increased ...

The fungus produces spores under warm, humid conditions with heavy dews (77-86⁰F; >90% RH). Spores are spread to new plants by wind and rain where they infect foliage. Symptoms are produced within 14 ...

Black spot disease can be the bane of rose lovers everywhere, but there is a simple and inexpensive gardening hack that can ...

"Cercospora leaf spot infects the leaf and causes defoliation, and therefore, because table beets are harvested with what's called top-pulling machinery—machines that grab the roots and pull the ...

Symptoms that are hard to identify, a lack of genetic resistance, and the loss of chlorothalonil have gained ramularia leaf ...