Topics in Subtropics

Walnut Twig Beetle and Fungus Causing 'Profound Damage' to Black Walnut Trees Author: Kathy Keatley Garvey Published on: May 23, 2019 Thousand cankers disease is killing a giant black walnut tree, estimated to be 150 years old, on the 100 block of E Street, Davis.

Laurel wilt A threat to California's avocado industry Presented by: California Avocado Society, Inc., California Avocado Commission, University of California Cooperative Extension, and University of Florida's Tropical Research and Education Center.

UC IPM online courses: New Fuller rose beetle course and early-bird pricing Cheryl Reynolds, UC Statewide IPM Program Summer is here, and we're halfway through 2019 already! Why not get jump on finishing up your continuing education units by taking online courses from the UC Statewide IPM Program (U...

Canines can detect trees infected with the bacterium that causes huanglongbing Research by Dr. Tim Gottwald Article written by Tim Gottwald, Holly Deniston-Sheets and Beth Grafton-Cardwell. Revised June 13, 2019.

Taking a closer look: the best field hand lens and how to use it a reblog from: https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=28683 Author: Steven A.