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Print version ISSN 0006-8705

Bragantia vol.18 no.unico Campinas  1959 

A cinza do pinhão paraguaio


Powdery mildew of barbados nut



A. P. Viégas




Conidia taken from Oidium growing on leaves of Jatropha curcas L. were carried to healthy young flushings of Hevea brasiliensis Muell. - Arg. and typical patches of Powdery mildew of rubber tree were thus produced, when temperature was around 24°C and humidity close to saturation in moist chambers, at the laboratory of the Dept. of Plant Pathology, Inst. Agronômico, Campinas, Est. S. Paulo, Brazil, South America.



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Recebida para publicação em 21 de janeiro de 1959.

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