Potato Virus Y

Friday Jun 09, 2023

POTATO VIRUS Y (PVY) is the reason for most potato seed lot downgrades by seed certification agencies. This disease has become increasingly difficult for seed growers to deal with due (mostly) to the ...

Understanding Pest Contour Maps

Friday Jun 09, 2023

Contour maps showing results from the WSU Extension insect monitoring network are available on the Potato Decision Aid System (DAS). These maps use color to help you visualize where and how many insec...

Herbicide Carryover in Potato Seed

Sunday May 21, 2023

Some herbicides can accumulate in daughter tubers if they drift onto or are accidentally applied to potato foliage. This can result in problems the following season when the tubers are used as seed. H...

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...