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Bragantia

Print version ISSN 0006-8705

Bragantia vol.18 no.unico Campinas  1959

https://doi.org/10.1590/S0006-87051959000100033 

A cinza do pinhão paraguaio

 

Powdery mildew of barbados nut

 

 

A. P. Viégas

 

 


SUMMARY

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.


 

 

Texto completo disponível apenas em PDF.

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Recebida para publicação em 21 de janeiro de 1959.

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