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Early scouting reports seem to indicate that grain quality for 2022 should be strong given our general lack of excessive moisture. However, as always there have been a few reports of corn ear rots around the state. The most common of these rots are Diplodia and Trichoderma. Diplodia ear rot can be characterized by a white or gray mold that covers the ear and is usually associated with a lighter than normal ear. This fungus thrives when we have wet, humid conditions when the corn is silking as well as up to 3 weeks after silking. Corn that is showing a greenish or blue mold that is growing between the kernels and over the cob is likely Trichoderma ear rot.

Depending on the severity of these rots, they will lead to a decrease in yield, and may hit the farmer in the pocketbook once again as they likely get docked a certain price per bushel upon delivery. Aside from financial concerns, some ear rots (not all) are also a problem as the fungi are capable of producing toxic compounds known as mycotoxins, which can be toxic to animals and humans.

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