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vol.35 issue1Violet stain of loquat (Eriobotrya japonica) and its relation to flower thrips, the bug Sphictyrtus chryseis and the mite Eriophyes eriobotryaeStalk dimensions of twelve international varieties of ramie and its correlations with the fiber length and fineness author indexsubject indexarticles search
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Bragantia

Print version ISSN 0006-8705On-line version ISSN 1678-4499

Bragantia vol.35 no.1 Campinas  1976

http://dx.doi.org/10.1590/S0006-87051976000100034 

NOTA

 

Influência da época de ensacamento da nêspera, na incidência da "mancha-arroxeada" e das moscas-das-frutas

 

The effect of time of bagging on the incidence of "violet stain" and the attack of fruit flies on loquat

 

 

Mário Ojima*; Orlando Rigitano; Salim Simão; Toshio Igue*

 

 


SUMMARY

Bagging of the fruits, which is a common practice and indicated as a means to control the "violet stain" and the fruit flies (Anastrepha sp. and Ceratitis sp.), has not always resulted to have desired effects.
To elucidate this aspect, an experiment was made to investigate the degree of the incidence of stains and the attack of the fruit flies, when the fruits were bagged at different periods.
The results showed that the best time of bagging was before 30 days after the end of blooming. When bagging was delayed, both the incidence of "violet stain" and the attack of fruit flies increased.


 

 

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

 

 

Recebida para publicação em 19  de novembro de 1975.

 

 

* Com bolsa de suplementação do C.N.Pq.

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