cropCENTRAL | Field Crop Production Resources

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.…

We slipped back into summer this week. Average temperatures ranged from the mid-60s in northern Illinois to the mid-70s in southern Illinois, 4 to 8 degrees above normal. The lack of humidity and extremely dry conditions allowed daytime high temperatures to push well into the 90s this week. Some of the more impressive highs this week included 99 degrees in Alton and Decatur.
by Trent Ford, State Climatologist
ISWS PRI University of Illinois
This week was also very dry yet again across the state.…

Steve Brand– Commercial Agriculture Specialist
DeKalb County
Soil Condition: Near Normal
We have had a bit of a mini heat wave here in the middle of September as temperatures returned to near normal compared to the previous two weeks of cooler weather. The warmer temperatures are helping the corn and soybeans progress along through maturity as we are a bit behind the rest of the state harvest and maturity-wise. As the rest of the state is entering into some more substantial droughts,…

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While August rainfall is the “soybean maker,” July rainfall is also important to the podsetting process that sets up yield potential. July rainfall was plentiful overall in Illinois, but varied from an inch or two less than normal in parts of southern Illinois to more than twice normal amounts in western and northwestern Illinois. In contrast, August rainfall was less than normal over all but the northern edge of the state,…