Spot disease of violet (Alternaria violae n. sp.)
Contributors: Dorsett, P. H. 1862-1943.
Series: Vegetable Physiology and Pathology Div. Bull. No. 23; Vegetable Physiology and Pathology Div. Doc. No. 76
Publisher: U.S. G.P.O.
Published: 1900
Place of publication: [Washington?]
Format: Microform
Subjects: Violets.