Field Studies With Pine Oils as Destroyers of Overwintering Codling Moth Larvae

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A blend of various fractions of steam-distilled pine oils was found to be effective in field applications against hibernating codling moth larvae (Carpocapsa pomonella) when brushed liberally upon the rough bark, crotches, pruning wounds, and cankers of apple trees. The applications produced marked reduction in the amount of first brood codling moth injury in the treated blocks, without injury to the trees. Fruit counts at harvest indicated that the initial advantage gained by the treatment will produce the greatest benefit when large areas are treated at the same time, and followed by the recommended codling moth cover sprays.

Document Type: Research Article

Publication date: December 1, 1933

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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