Pest Management & Plant Health

Richard Smith is the University of California Cooperative Extension Monterey County Vegetable Crop Production and Weed Science Farm Advisor. He also covers Santa Cruz and San Benito counties. Weeds are an important host of Impatiens Necrotic Spot Virus (INSV) in the Salinas Valley.

If you're near the University of California, Davis campus on Wednesday afternoon, Oct. 13, and concerned about the future of the food system and agroecology--sustainable farming that works with nature--you won't want to miss this lecture.

Written By--Petr Kosina, UC Statewide IPM Program A brand-new online course on Diagnosing Herbicide Injury focusing on how an herbicide injury situation can arise, what information can help diagnose symptoms during field investigations, and what tools are available to you, is now available from the...

(Editor's Note: Watch Josh Cassidy's Deep Look award-winning video on YouTube.

Now is the time for planting cool-season vegetables like broccoli, carrots, and spinach. We are pleased to share new pest management resources for other cool season vegetables including beets, chard, radishes or turnips.

Larvae of the western grapeleaf skeletonizer feeding on a grape leaf. (Photo by Surendra Dara) The western grapeleaf skeletonizer (WGLS), Harrisina metallica, is a pest of vineyards in some parts of California.

Our research on Argentine ant IPM was published in August 2021 issue of Journal of Economic Entomology (JEE). Choe, D.-H., J.-W. Tay, K. Campbell, H. Park, L. Greenberg, and M. K. Rust. 2021.

Mike Pitcairn is with the California Dept. of Food & Agriculture (mike.pitcairn@cdfa.ca.gov). Lincoln Smith (link.smith@usda.gov) and Patrick Moran (patrick.moran@usda.gov) are with USDA Agricultural Research Service.

Managing Weeds in Grasslands and Rangelands (online event) Tuesday, October 19, 2021 9:00 AM-12:00 PM (Pacific Time) The latest information on weed control will be presented at the Managing Weeds in Grasslands and Rangelands online event.

UCCE's Dr. Beatriz Nobua-Behrmann will present "Using an Integrated Pest Management Approach to Shothole Borers" at the Long Beach Landscape Expo at noon on Oct. 14.