Whiplash in Corn

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Small corn can usually withstand weather damage much easier than larger corn, especially the type of wind, hail and tornado extremes that blew through the state over the last 2 weeks.  However, I wanted to comment about some questions coming in on wind damaged plants.  In areas receiving 70+ mph winds, it isn’t surprising that even small V2 corn sustained some wind damage resulting in shredded leaves and bruised stems at ground level where the plants were whipped around.  In some cases the plants look like the above ground part is detaching from the plant (like a cutworm cut plant).  From plants I have checked, new growth is emerging from the growing point that will produce new leaves.  In other plants, stem tissue appears bruised but looks like it will survive and plant leaf count will not be affected.  With corn this small and the growing point safely below ground, the loss of one or two very early leaves should not affect further development and certainly not the yield of our corn.  The best treatment for whiplash in corn is sunny, warm weather which we have (finally!!) in our forecast.

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