How To Tell If Fungicide Worked On Soybeans

By Tom J Bechman

Prairie Farmer

When Steve Gauck visited the Soybean Watch ’21 field in mid-July, there was still plenty of moisture. Signs of disease weren’t evident, but he told the grower that since the season had been on the wet side so far, a fungicide application would likely be a good investment. And he also advised adding an insecticide — a few grasshoppers and other insects were nibbling on leaves in July.

The grower took the advice to heart and applied a fungicide with an insecticide with his own self-propelled sprayer at the R3 stage of soybean development.

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