From Rare to Relevant: Calonectria ilicicola and Its Growing Impact on Soybean Production in Illinois
Introduction
Red crown rot (RCR) of soybean is a disease caused by the fungal pathogen Calonectria ilicicola. This pathogen was first identified on peanuts in the United States in 1965 [1]. Since then, C. ilicicola has been found to cause disease in a wide variety of hosts across the world. It was first confirmed on soybeans in 1968 in Japan [2] and subsequently identified on soybeans in the United States in 1972 [3] in North Carolina.…