Agronomy Talk

S. Indiana - Steve Gauck, CCA

Evaluate Fungicide Applications During Harvest

Published on Tuesday, October 20, 2015

This year can be called the year of leaf diseases! We have seen gray leaf spot, northern corn leaf blight, and even southern rust. Corn has filled out well, but stalk quality is a concern as plants have cannibalized with the late dry stress. Harvest will be a chance for us to evaluate our fungicide applications. Many diseases came in late and the residual from the fungicide may be gone. In some cases, these diseases may not have affected yield dramatically. If you are planning to go corn after corn, consider what diseases you had and plant a hybrid with good tolerance to them.

As your combines work through the fields, use your Farmserver scouting app to identify problem areas to look at this winter. What happened in those areas? Do we need to pull a soil test? Also be sure your combine spread pattern is set to spread evenly the width of the corn head or grain table. This will help with planting next spring by reducing heavy residue areas, letting soils warm up faster, and allowing for a more even distribution of nutrients.

There is still time to consider a cover crop. Options are more limited this far into fall, but there are still some great programs to evaluate.

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Steve Gauck

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