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.
Frogeye leaf spot of soybean occurs across the United States and in Ontario, Canada. Frogeye leaf spot can cause significant yield loss when widespread within a field. Leaf lesions are small, irregular to circular in shape, and gray with reddish-brown borders. Most commonly occurring on the upper leaf surface, lesions start a... Read More
Septoria brown spot is the most common foliar disease of soybean. Disease develops soon after planting and is usually present throughout the growing season. Symptoms are typically mild during vegetative growth stages of the crop and progress upward from lower leaves during grain fill. Infected young plants have purple les... Read More
Bacterial blight is usually one of the first foliar diseases to occur on soybean. Bacterial blight seldom causes serious yield loss. Symptoms usually begin in the upper canopy because young leaves are most susceptible. Small, angular, reddish-brown lesions are surrounded by a yellow halo. As the disease progresses, l... Read More
A new smartphone application, ‘Sporecaster,’ is now available for free download on both Android and... Read More
Important updates have been made to the multi-state and international collaborative database, the Cr... Read More
Farmers and agribusiness have a new tool to help them tackle crop management challenges. The Crop Pr... Read More