Saturday 19th July 2025

A survey of nearly 450 growers nationwide reveals almost half of respondents have medium to high corn nematode pressure.

Pioneer eastern Corn Belt agronomy manager Mary Gumz says they conducted a poll on social media last month asking about nematode levels in corn.

“It turned out that 75 percent had looked at their nematode pressure, and 43 percent had medium to high corn nematode pressure in their fields and that’s the level where we can start to see some yield effects.”

She tells Brownfield the microscopic round worms feed on corn roots.

   

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