| Category | Soilborne Diseases |
| Subject | Avocado Root Rot (Phytophthora cinnamomi) |
| Title | Avocado Root Rot (Phytophthora cinnamomi) spread |
| Description | Avocado root rot spreading below drain in grove. Webster trial, Santa Barbara, CA. |
| Location | Santa Barbara, CA |
| Date | April, 1968 |
| Source | George E. Goodall |
| Larger Picture | 1000 x 671 (83 kb) |
