Q.Pest & Weed Management

What is soybean cyst nematode and how do I manage it?

A.

SCN is a microscopic root parasite that reduces soybean yields 10-30% in infected fields without visible above-ground symptoms. Manage with SCN-resistant varieties, crop rotation to non-host crops (corn, wheat), and periodic soil testing for SCN egg counts. PI 88788 is the most common resistance source — rotate sources to prevent resistance breakdown.

Variety review pages cover SCN-resistant cultivars.

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