Diseases and Pests

The World Potato Congress (WPC) is presenting a powdery scab webinar on March 18 at 9 a.m. EDT. The webinar will be presented by Dr. Leah Tsror. Powdery scab causes significant…

BioSafe Systems has announced that OxiDate 5.0, a bactericide/fungicide, has been approved in California. With this approval, BioSafe Systems can now manufacture, deliver and sell the product in California. OxiDate…

The Pacific Northwest Pest Alert is reporting that psyllid captures are slightly down. This week they had traps deployed in 81 of the 82 fields (98.7%) monitored this year, and…

The Pacific Northwest Pest alert is reporting that Lso-positive psyllids have been found in Idaho. They had traps deployed in 83 fields and found a total of 59 psyllids across…

Washington State University (WSU) found potato psyllids on sticky cards in four monitoring network fields last week, and crop consultants submitted six more. It looks like things are picking up. …

Potato Herbicides Spring 2019: Where are they and what are they doing? Pamela J.S. Hutchinson, Potato Cropping Systems Weed Scientist, University of Idaho Aberdeen R&E Center You may be wondering…

According to the WSU Potato Pest Alerts: The cool, rainy weather this week increases the probability that we will see late blight in the Columbia Basin.  Late blight has not…