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Control of Spodoptera littoralis (Boisd.), Myzus persicae (Sulz.) and Tetranychus urticae (Koch) by cold storage and fumigation

Published online by Cambridge University Press:  10 July 2009

D. F. Powell  and
K. G. Gostick
D. F. Powell
Affiliation:
Plant Pathology Laboratory, Ministry of Agriculture, Fisheries & Food, Harpenden, Herts, England
K. G. Gostick
Affiliation:
Plant Pathology Laboratory, Ministry of Agriculture, Fisheries & Food, Harpenden, Herts, England
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Extract

In laboratory experiments, all stages of the Egyptian cotton-leaf worm (Spodoptera littoralis (Boisd.)) were killed by exposure at 1–2%C for ten days, but the peach-potato aphid (Myzus persicae (Sulz.)) and the red spider mite (Tetranychus urticae (Koch)) were not controlled by this treatment. When exposed to methyl bromide, all the S. littoralis eggs tested were killed by a concentration × time product (CTP) of 44 mg h/litre at 18%C, but control of all stages of M. persicae and T. urticae required a CTP of at least 88 mg h/litre.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 61 , Issue 2 , November 1971 , pp. 235 - 240
Copyright
Copyright © Cambridge University Press 1971

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References

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