Selected Articles from Hilgardia
Volume 12 (1915)
Wager, Vincent A. - Phytophthora Cinnamomi and Wet Soil in Relation to the Dying-Back of Avocado Trees. Hilgardia 1942. 14(9):519-532. (Full Text in PDF).
This is the first description/verification of Phytophthora cinnamomi causing the death of avocado trees in California.