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SOME EFFECTS OF POST-HARVEST FUMIGATION, CONTROLLED-ATMOSPHERE STORAGE, AND COLD STORAGE ON SAN JOSE SCALE (HOMOPTERA: DIASPIDIDAE) SURVIVAL ON TWO VARIETIES OF APPLES1

Published online by Cambridge University Press:  31 May 2012

N.P.D. Angerilli ,
A.P. Gaunce  and
D.M. Logan
N.P.D. Angerilli
Affiliation:
Agriculture Canada Research Station, Summerland, British Columbia, Canada V0H 1Z0
A.P. Gaunce
Affiliation:
Agriculture Canada Research Station, Summerland, British Columbia, Canada V0H 1Z0
D.M. Logan
Affiliation:
Agriculture Canada Research Station, Summerland, British Columbia, Canada V0H 1Z0
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Abstract

Red Delicious and Winesap apples infested with San Jose scale were placed into either regular (CS) or controlled-atmosphere (CA) cold storage, either with or without prior fumigation with methyl bromide. Fumigation with a dose of 32 g/m3 killed all infesting stages of the scale on Red Delicious apples in CS after 31 days and in CA after 137 days. Complete scale mortality on Winesap apples occurred after 167 days in CA and in CS if previously fumigated.

Résumé

Des pommes Red Delicious et Winesap infestées de cochenille de San José ont été entreposées au froid sous une atmosphère normale (CS) ou contrôlée (CA), et avec ou sans fumigation préalable au bromure de méthyle. La fumigation à la dose de 32 g/m3 a éliminé tous les stades de la cochenille sur les Red Delicious en 31 jours sous CS, et en 137 jours sous CA. L’élimination complète de la cochenille sur la Winesap a pris 167 jours aussi bien sous CA que CS avec fumigation préalable.

Type
Articles
Information
The Canadian Entomologist , Volume 118 , Issue 5 , May 1986 , pp. 493 - 497
Copyright
Copyright © Entomological Society of Canada 1986

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References

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