Review of the black stem rust (Puccinia graminis pers.) situation
Verwoerd, Len
Review of the black stem rust (Puccinia graminis pers.) situation With special reference to the experimetal method applied to rust research in the United States America and Canada, and the nature of the problem in South Africa - Pretoria 1935 - 1-63 p. - Research, Experiment, Rust, Reference Union of South Africa Department of Agriculture. Science Bulletin No. 138 .
Review of the black stem rust (Puccinia graminis pers.) situation With special reference to the experimetal method applied to rust research in the United States America and Canada, and the nature of the problem in South Africa - Pretoria 1935 - 1-63 p. - Research, Experiment, Rust, Reference Union of South Africa Department of Agriculture. Science Bulletin No. 138 .