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
Diplodia ear rot has become a common (and troublesome) disease on corn. The causal fungi produce myc... Read More
Leaf rust, also called brown rust, occurs across the U.S. and Canada and can cause severe yield loss... Read More
Plants affected by Diplodia stalk rot have shredded pith and die prematurely. Numerous black dots, a... Read More