disease cycle of side rot of pear, caused by Phialophora malorum
By: by David Sugar.
Published: 1989
Language: eng
Number of pages: 107
Subjects: Pear -- Storage -- Diseases and injuries.; Pear -- Diseases and pests.; Phialophora.
Notes: Typescript (photocopy).

Thesis (Ph. D.)--Oregon State University, 1990.

Includes bibliography (leaves 100-107).