Corn Grain Yield in Relation to Stress During Ear Development

Environmental stresses during ear development significantly affect the number and weight of harvestable kernels and subsequent grain yield. The size, placement, and amount of kernel set on the corn ear documents the time and the severity of stress. Understanding how corn ears respond to stress can help determine what stress was present, when it occurred, and how to mitigate it in the future. This article illustrates corn ear responses to some of the more common stresses and explains why corn ears respond as they do.

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