WSU Potato Alerts

Monday Apr 07, 2025

The WSU Potato Alerts e-newsletter covers timely topics important for potato production in the irrigated Columbia Basin. The alerts are issued weekly during the potato-growing season, with additional ...

Managing Potato Psyllids with Insecticides

Monday Jun 16, 2025

Potato psyllids are important pests because they can spread the bacterium that causes zebra chip disease. They cannot be stopped from migrating into potato fields. However, they can be controlled once...

Potato Virus Y

Monday Jun 09, 2025

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 ...

Herbicide Carryover in Potato Seed

Wednesday May 21, 2025

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...

Additional Pest & Disease Management Information

Thursday May 01, 2025

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 and im...