Topics in Subtropics

Presented by UC Cooperative Extension & USDA-ARS, US Salinity Lab When: December 15, 2016 Where: USDA-ARS U.S. Salinity Laboratory - Loctated on UCR Campus 450 W. Big Springs Road, Riverside, CA 92507 https://campusmap.ucr.

redcThe hills have been dry for a long time, and the long dry fall is bringing animals into the avocado groves that normally stay out in the hills. They want the green cambium of trees and the moisture it provides. And especially rodents will have a field day in the well-maintained orchards.

On a recent trip, we saw Diaprepes Root Weevil damage on avocado. It was feeding on the leaves, tattering them. The problem with this pest is that it also feeds on the roots, weakening the tree and opening it up to disease, such as Phytophthora.

This article is from Florida Grower News. Thanks for Jim Lloyd-butler for pointing it out. FLG-Editorial@MeisterMediaww.

On a recent trip to Florida we saw a dog in action locating avocado trees that had been attacked by the Redbay ambrosia beetle which carries the fungus Raffalea lauricola which is a similar pest/disease complex that is found in California with the Polyphagous/Kuroshio Shot Hole Borer and Fusarium Eu...