The scuttlebutt heard in many coffee shops in Indiana these days is that folks are walking corn fields and finding a gamut of kernel set success ranging from excellent to pathetic. Growers’ interest in this topic obviously lies with the fact that the number of kernels per ear is a rather important component of total grain yield per acre for corn.
Poor kernel set, meaning unacceptably low kernel numbers, is a bad omen for fields that otherwise appear to be in good shape. Good or poor kernel set is determined from pollination through the early stages of kernel development; typically 2 to 3 weeks post-pollination.
Problems with kernel set stem from ineffective pollination, kernel abortion, or both. Distinguishing between these two symptoms is easy. Determining the exact cause of the problem is often difficult.
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BTW, nice job in last night’s Bears game by Purdue’s Kyle Orton! Bear down… Chicago Bears…