Contribuição ao estudo do «vermelhão» do algodoeiro (Gossipium herbaceum)

During the years 1948, 1949 and 1951 a disease occurred in the cotton crops of the state of S. Paulo Brazil (S. Am.), which caused a severe drop in yields. The abnormality was characterized by a typical reddish - purple color of the leaves, being by this reason, called "vermelhão", that is...

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Bibliographic Details
Main Authors: Coury,T., Malavolta,E., Ranzani,G., Brasil Sobrinho,M. O. C. do
Format: Digital revista
Published: Universidade de São Paulo 1954
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