Plant-parasitic nematodes that feed on corn occur commonly in fields in Iowa and throughout the Midwest. Most nematodes do not reduce corn yields until population densities (numbers) increase to damaging levels and/or other stressful conditions occur in the growing season, like high heat and low moisture.
Iowa State University
Tylka, Gregory L., "Comparing Nematode Management Products on Corn in Strip Trials" (2011). Integrated Crop Management News. 303.
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