Codling Moth Granulosis Virus: Its Efficiency in the Field in Comparison with Organophosphorus Insecticides

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Abstract:

A granulosis virus for control of Laspeyresia pomonella (L.) was tested during 2 successive years in a commercial apple orchard in comparison with organophosphorus insecticides. The efficiency of the virus was influenced by the soil management used in the orchard. In all but the chemically treated plots, codling moth infestation over green covered soil was significantly lower than over clean cultivated soil. Four virus sprays at a concentration of ca. 1011 capsules/liter gave equal or even better protection against codling moth damage over green cover than the same number of chemical insecticide treatments. Reduction of the population, estimated by sampling diapausing larvae in corrugated paper bands, was much betler by the virus than by the insecticides, reaching 100% in the 2nd year. No virus persisting from the previous season could be found.

Document Type: Research Article

Publication date: October 1, 1977

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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