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...

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...

Crowder Highlights How DAS Can Trim Production Costs

Thursday Sep 16, 2021

As originally appeared in, Pacific Northwest Ag Network - 11th August 2021, Interview with Dr. David Crowder. In an effort to help tree fruit growers save on their operating costs, 15 years ago Was...

Potato Psyllid Phenology Model

Thursday Sep 02, 2021

Temperature-based phenology models can be used to forecast the life cycles of insects because their development is largely dependent on the temperatures they experience. If you know how many heat unit...

Higher Risk of Zebra Chip Predicted in Washington State

Wednesday Aug 25, 2021

As originally appeared in, Capital Press - 8th July 2021 Washington potato farmers will need "extra vigilance" monitoring and managing their fields for potato psyllids and signs of zebra chip dis...