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Value of root-knot nematode protection

Published on: 15:26PM Jun 28, 2011

Root-knotnematodes are the most widespread species of nematodes, especially in the south, infecting corn, cotton and soybeans. Root-knot nematodes feed on the inside of roots as immature larvae. Their secretions cause visible galls on the roots, which absorb plant resources and make the plant vulnerable to other infections. 

That cuts into crop yield potential. But how much?
 
In research from 2008 to 2010, treating soybean seed in fields with known root-knot nematode populations with a nematicide/insecticide/fungicide seed treatment combination compared to an insecticide/fungicide combination delivered a yield increase 76 percent of the time. The average yield increase was 2.5 bushels per acre, which at current prices is a return on investment of $16.25. That can add up quickly.
 
Do you have root-knot nematodes in your fields? Have you considered trying to help protect your soybeans next year?
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