biology and control of Phytophthora root and stem rot of apple rootstocks from stool beds
By: by Carolyn Jean Tidball.
Published: 1987
Language: eng
Number of pages: 67
Subjects: Apples -- Rootstocks.; Phytophthora.; Apples -- Diseases and pests -- Control.
Notes: Typescript (photocopy).

Mounted photographs.

Thesis (M.S.)--Oregon State University, 1988.

Bibliography: leaves 54-59.