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CONTROL OF OVERWINTERING STAGES OF MITES ON APPLES USING ETHYLENE DIBROMIDE

Published online by Cambridge University Press:  31 May 2012

E. J. Bond ,
D. H. C. Herne  and
T. Dumas
E. J. Bond
Affiliation:
Research Institute, Canada Department of Agriculture, London, Ontario
D. H. C. Herne
Affiliation:
Research Station, Canada Department of Agriculture, Vineland, Ontario
T. Dumas
Affiliation:
Research Institute, Canada Department of Agriculture, London, Ontario
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Abstract

Overwintering stages of the European red mite, Panonychus ulmi (Koch), and the McDaniel spider mite, Tetranychus mcdanieli McGregor, on harvested apples were destroyed with ethylene dibromide using a dosage of 6 mg/l. for 4 h at 24 °C. Some control was achieved at lower temperatures but the dosage had to be increased accordingly. No injury of the fruit occurred. Taste tests showed that flavour of the apples was not adversely affected even after treatment with 10 mg/l. for 4 h.

Type
Articles
Information
The Canadian Entomologist , Volume 105 , Issue 6 , June 1973 , pp. 903 - 908
Copyright
Copyright © Entomological Society of Canada 1973

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References

Cranham, J. E. 1972. Influence of temperature on hatching of winter eggs of fruit-tree red spider mite, Panonychus ulmi (Koch). Ann. appl. Biol. 70: 119–137.CrossRefGoogle Scholar
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