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Chesley, Ontario | Hi, Dave;
We've seen a lot of purpling over the years with the combination of a stretch of cool weather with either very dry or very wet soils. The roots just can't keep up with the demand of the plant for P (or other nutrients), so the sugars accumulate with nowhere to go and create the purple colour. If the corn doesn't snap out of it with a bit of moisture and heat, then you start to worry about it!
Keith | |
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Purpling Corn
