WSU Potato Alerts

Friday May 13, 2022

The WSU Potato Alerts e-newsletter is relevant to potato production in Washington's irrigated Columbia Basin. The alerts are issued weekly during the potato growing season. If you would like to subscr...

Psyllid Yellows and Scouting for Nymphs

Saturday Jul 30, 2022

PSYLLID YELLOWS is a disorder that can occur when potato psyllid nymphs feed on potato plants. The nymphs inject a toxin into the plant when they feed. This results in a range of growth disorders that...

Potato psyllid adult, nymphs, and eggs (photo by Andy Jensen, NW Potato Consortium).

Managing Potato Psyllids with Insecticides

Thursday Jun 30, 2022

Potato psyllids are important pests because they can spread the bacterium that causes zebra chip disease. The only way to manage this disease is to control potato psyllids. We cannot stop psyllids fro...

Additional Pest & Disease Management Information

Monday Jun 27, 2022

The following links will take you to some of the best online resources for potato pest and disease management. IPM GUIDES and OTHER INFORMATION: Potato Decision Aid System: Welcome to our new websit...

Colorado Potato Beetles in the News

Friday May 27, 2022

Colorado potato beetles (CPB) have been mentioned a lot in recent popular press articles. Most of the articles explain CPB's amazing ability to develop resistance to insecticides, and many present way...