1. UC IPM
A healthy avocado (right) next to a tree with sparse foliage and chlorotic leaves from Phytophthora root rot, caused by <I>Phytophthora cinnamomi.</I>.
A healthy avocado (right) next to a tree with sparse foliage and chlorotic leaves from Phytophthora root rot, caused by Phytophthora cinnamomi..
Credit: David Rosen