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Category | Soilborne Diseases |
Subject | Avocado Root Rot (Phytophthora cinnamomi) |
Title | Avocado Root Rot (Phytophthora cinnamomi); visual symptoms |
Description | Avocado root rot, beginning of dieback, no fruit. Stage 4 of Zentmyer rating scale. Co Var Orchard, Santa Barbara, CA. |
Location | Santa Barbara, CA |
Date | December, 1969 |
Source | George E. Goodall |
Larger Picture | 1000 x 671 (91 kb) |
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