A study of the effect of environmental factors on the variability of physiologic forms of Puccinia graminis tritici
Contributors: Johnson, Thorvaldur, 1897-
Series: Studies in cereal diseases -- 6; Canada Dept. of Agriculture Bulletin - new series -- 140
Publisher: Erikss. and Henn.
Published: 1931
Place of publication: [Ottawa]
Language: eng
Number of pages: 76
Subjects: Wheat; Puccinia graminis; Diseases and pests