Specialization and hybridization of wheat stem rust, Puccinia graminis tritici, in Canada / by Margaret Newton and Thorvaldur Johnson
Contributors: Newton, Margaret; Canada. Dept. of Agriculture
Series: CANADA DEPT. OF AGRICULTURE BULLETIN (NEW SERIES) -- 160
Publisher: Department of Agriculture
Published: 1932
Place of publication: Ottawa
Language: eng
Number of pages: 60
Notes: Cover title.

At head of title : Studies in cereal diseases, VIII.

"Bulletin No. 160 - New Series".