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The Influence of a Virus Disease and Parasites on Spilonota ocellana in Apple Orchards1

Published online by Cambridge University Press:  31 May 2012

R. P. Jaques  and
H. T. Stultz
R. P. Jaques
Affiliation:
Research Station, Kentville, Nova Scotia
H. T. Stultz
Affiliation:
Research Station, Kentville, Nova Scotia
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Abstract

A nuclear-polyhedrosis virus disease of Spilonota ocellana (Denis and Schiffermüller) is described. The disease was found in the majority of the Nova Scotia apple orchards sampled in a nine-year survey. Under favorable conditions the disease caused high mortalities but usually less than 10 per cent of a host population was killed by the virus.

Agathis laticinctus (Cresson) killed an average of 25 per cent of late-instar larvae.

Type
Articles
Information
The Canadian Entomologist , Volume 98 , Issue 10 , October 1966 , pp. 1035 - 1045
Copyright
Copyright © Entomological Society of Canada 1966

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