The Crop Protection Network (CPN) produces unbiased, collaborative outputs on important issues affecting field crops in the United States and Canada. The CPN is a product of Land Grant Universities.
The pathogen that causes ergot generates toxic alkaloids that potentially could create problems with livestock feeding, and when trying to market a small grain crop. This article reviews some of the commonly asked questions pertaining to ergot. Read More
Interveinal chlorosis is a common symptom in soybean production systems. More often than not, it is assumed that interveinal chlorosis indicates the presence of soybean sudden death syndrome (SDS). However, there are several other soybean diseases and disorders that can cause interveinal chlorosis besides SDS. Read More
Tar spot of corn is a new disease to the United States that was first observed in 2015 in Indiana and Illinois. Since then, it has also been confirmed in Florida, Iowa, Michigan, Ohio, and Wisconsin. In 2018, a tar spot epidemic occurred in the upper Midwest, which had a significant impact on corn grain and silage yield and quality. Little field screening has been done in the US for corn germplasm... Read More
Septoria tritici blotch is a common disease of wheat, often occurring alongside other foliar disease... Read More
Powdery mildew is a common disease of wheat throughout the U.S. and Canada wherever winter wheat is... Read More
Stewart's disease lesions spread from flea beetle feeding scars (a tiny scratch on the leaf) and are... Read More