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Northern Illinois Agriculture

University of Illinois Extension
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Hot temperatures, hot herbicides!

As the temperatures rachet back up we are noticing various reactions by our crops to post herbicide applications. A certain amount of crop injury is expected with some herbicide families like the diphenyl ethers (can you pick the treated plots in our high yield soybean study?) We are also seeing bronzing and yellowing with other herbicides that are not normally known for crop injury, including our glyphosate applications. Almost certainly the stress that the crops are experiencing is responsible for some of the effects. Most of our soybean is now at R1 at the NIARC. Wheat harvest tomorrow!

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