An agronomist who covers Illinois and Wisconsin says growers shouldn’t be concerned about purple corn plants. Chris Brown with Burrus Seed tells Brownfield there was a lot of purple corn in the past few weeks, “Historically we see that purple corn if the corn’s been in the ground, comes up, and we get cooler weather and the plant stops growing. But, it had already made a lot of sugar and that expresses itself in the plant turning purple.” Brown says it looks like a phosphorus deficiency but it’s temporary, “As the plant, as it gets warm, soils get warm – dries out a little bit – that plant kicks back in, uses those sugars and it comes out of that.
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