Toxicity of pirimiphos-methyl against a malathion resistant and a susceptible strain of the saw-toothed grain beetle, Oryzaephilus surinamensis (L.). | [Pakistan Journal of Zoology • 1983]

Author(s):

1. M. A. Saleem: Agricultural Biology Department, The University, Newcastle upon Tyne, England, UK

2. R. M. Wilkins: Agricultural Biology Department, The University, Newcastle upon Tyne, England, UK

Abstract:

Low level of resistance (about three-fold) against primiphos-methyl was detected in the adults of the saw-toothed grain becItle. Oryzaephilus surinamensis (L.) which was already resistant to malath-ion (about four-fold), -LD5n values of both insecticides were significantly different at 9596 confidence limits. This highlighted the necessity of measurement of resistance in insect pests and to find out suitable alternative insecticides so that they are available before actual need arises for effective pest control programmes.

Page(s): 89-93

DOI: DOI not available

Published: Journal: Pakistan Journal of Zoology, Volume: 15, Issue: 1, Year: 1983

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