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The Columbia Root-Knot Nematode Problem

The Columbia root-knot nematode attacks potatoes and causes injury to tubers in the Columbia Basin of Oregon and Washington as well as other areas of the Pacific Northwest.

Jim Green | Apr 1981 | Article

Protect Oregon’s Brassica Crops: ODA’s black leg rules aim to control a disease outbreak

Black leg is a serious disease of Brassica crops that has recently appeared in outbreaks in western Oregon. It threatens Brassica production in the Pacific Northwest. In an effort to manage the disease and get it back to ...

Nick Andrews | Oct 2017 | Article