by E. C. Stakman , M. N. Levine
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Campaigns Against Hunger
A study in cereal rusts
Campaigns against hunger
La cienca al servicio de la agricultura
The need for research on the genetics of...
The problem of specialization and variat...
A study of the environmental conditions ...
Physiologic specialization in Puccinia g...
Identifying races of Puccinia graminis f...
Barberry bushes spread stem rust to whea...
Barberry eradication in stem rust contro...
The distribution and prevalence of physi...