Some of the factors influencing the infection and pathogenicity of ustilago zeae (Beckm) unger on zea mays L.

Davis, G.N.

Some of the factors influencing the infection and pathogenicity of ustilago zeae (Beckm) unger on zea mays L. - Ames 1936 - 1-278 p. - Iowa Agriculture Experiment Station. Research Bulletin No. 199 .
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