Powdery mildew of the grape and its control in California
By: H.E. Jacob
Series: California. Agricultural Extension Service. Circular -- 31, March 1929; Circular (University of California Agricultural Extension Service) -- 31.
Publisher: College of Agriculture, University of California
Published: 1929
Place of publication: Berkeley, Calif
Language: eng
Number of pages: 18
Subjects: Powdery mildew diseases; Control; Grapes; Diseases and pests