Avocado Root Rot (Phytophthora cinnamomi); visual symptoms
CategorySoilborne Diseases
SubjectAvocado Root Rot (Phytophthora cinnamomi)
TitleAvocado Root Rot (Phytophthora cinnamomi); visual symptoms
DescriptionAvocado root rot. Symptoms from left to right: Stage 0, Stage 1 and Stage 2 of Zentmyer rating scale. Co Var Orchard, Santa Barbara, CA.
LocationSanta Barbara, CA
DateDecember, 1969
SourceGeorge E. Goodall
Larger Picture1000 x 671 (90 kb)