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. Moderate tree symptoms, Stage 3, of Zentmyer rating system. Petty Orchard, Carpinteria, CA.
LocationCarpinteria, CA
DateDecember, 1968
SourceGeorge E. Goodall
Larger Picture1000 x 671 (108 kb)