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Effectiveness of twelve insecticides applied topically to diapausing larvae of the codling moth, Cydia pomonella L

Author:
Pasquier, D., Charmillot, P.J.
Source:
Pest management science 2004 v.60 no.3 pp. 305-308
ISSN:
1526-498X
Subject:
plant pests, insect pests, Cydia pomonella, insect control, insecticides, lethal dose, screening, larvae, diapause, fenoxycarb, diflubenzuron, indoxacarb, chlorpyrifos, chlorpyrifos-methyl, deltamethrin, imidacloprid, phosalone, tebufenozide, insecticide resistance, toxicity, Switzerland
Abstract:
Dose-mortality curves were established for 12 insecticides administered by topical application to diapausing larvae from a susceptible codling moth strain. Toxicity varied greatly among the insecticides tested. LC50 values ranged from 0.1 mg kg-1 for fenoxycarb to over 2800 mg kg-1 for diflubenzuron and indoxacarb. Discriminating dose levels were determined from dose-mortality reference curves for the detection of resistance in field-collected diapausing larvae.
Agid:
675246