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Northern IN | According to Pioneer it’s a 25-30% loss at this stage if the corn is hit with a killing frost. I’m not sure if the dropped ears will have the same effect, though if the plant is still alive. I know there are some hybrids out there that have long shanks that cause ears to drop early, but they will continue filling kernels after ear drop.
The following link is to the Pioneer page I referenced above. I found this in the past when concerned about a frost before black layer.
https://www.pioneer.com/content/dam/dpagco/pioneer/na/ca/en/files/ar... | |
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Corn yield loss at 1/4 milk line
