Pests, Plant Diseases, and Weeds

This manual is designed to improve the knowledge and skill of structural pest inspectors (SPIs) in Washington State. It provides instruction on how to conduct a structural pest inspection.

In October 2005, a ten-page questionnaire was mailed to grape growers throughout Washington State.

Beef cattle producers in Washington State have become increasingly aware of the risks of inefficient and unsustainable management of internal and external cattle pests. These producers have sought ...

This publication presents the current level of understanding of the major cherry rootstocks as they pertain to the Pacific Northwest. Cherry growers have many options when it comes to choosing rootstocks. The combination of new dwarfing rootstocks with high-density training systems leads to earlier production. But growers need to consider soil fertility, scion choice and training systems when choosing rootstocks. Here are some guidelines that can help.

Tobacco rattle virus is one of the most important viruses of peonies (Paeonia spp.). Although little is known about its long-term impact on plant vigor, both cut flower and rootstock producers should ...

Click on the "View video" link to view this free video!

Reviews basic pesticide storage guidelines and requirements for both initial licensing certification and recertification training.

Weed control on turf and in ornamental plantings. Covers weed science and herbicide basics, precautions for spray use, and fine points of application equipment. Used in pesticide training for Washingt ...

Topics covered include the life cycle of entomopathogenic (beneficial) nematodes; how they control insect pests; obtaining, using, and storing; soil conditions necessary; application preparation, equi ...

Looking for an innovative way to improve the quality of your soil? Consider revisiting an old technology: green manure. A green manure is a crop that is grown and then incorporated into the soil while ...