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Stress During Grain Fill: A Harbinger of Stalk Health Problems

This is a great article by Bob Nielsen with Purdue Extension about the current corn crop to our East.  It also reflects large areas in central, east central Illinois that have been short on soil moisture for a long period of time.  As we approach harvest, keep your eyes on stalk quality!  – Jeff Brown


Serious crop stress during the grain filling period of corn increases the risk of stalk rots and stalk lodging(breakage) prior to grain harvest. Among the more common serious stresses that can occur during grain fill are nitrogen deficiency, foliar diseases (e.g., gray leaf spot, northern corn leaf blight), defoliation by hail, excessively wet soils due to heavy rains, excessively dry soils due to drought, excessive heat, and lengthy periods of cloudy conditions…. Please Follow This LINK for the full article!

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