Mount Vernon Northwestern Washington Research and Extension Center

Vegetable Research and Extension

Photo collage of watermelon tasting, tractor, dry beans

Corn Root Worm Control Research

Photo of corn root worm Photo of spotted cucumber beetle Photo of jugs of beneficial nematodes
Corn root worm emerging from a pea root. Corn root worm is the larval stage of the Western Spotted Cucumber Beetle. Jugs of beneficial nematodes that were applied to a pea field in Lewis Co., Washington

Photo of in-furrow application of nematodes   Photo of person applying nematodes with backpack sprayer
In-furrow application of pesticides* for corn root worm control at planting.
* Nematodes are also pesticides
  Richard Carr, WSU Extension, applying beneficial nematodes with a backpack sprayer.

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WSU Mount Vernon NWREC, 16650 State Route 536, Mount Vernon, WA 98273-4768 USA, 360-848-6150, FAX 360-848-6159, Contact Us