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International Journal of Agricultural Research

Year: 2007  |  Volume: 2  |  Issue: 8  |  Page No.: 741 - 744

A Preliminary Investigation into Chemical Efficacy Against the Currant-Lettuce Aphid Nasonovia ribisnigri

Andrew G.S. Cuthbertson, James J. Mathers and Phil Northing

Abstract

A preliminary laboratory study was undertaken to investigate the impact of two commonly used chemical pesticides (pirimicarb and pymetrozine) on the currant-lettuce aphid Nasonovia ribisnigri. Both chemicals had high efficacy against adult and nymph stages of the aphid. Following direct exposure to pirimicarb 98% mortality of aphid nymphs and 90% mortality of winged adults was observed after 24 h. The systemic pesticide pymetrozine caused 93% mortality of aphid nymphs after 72 h. The potential for development of integrated pest management strategies incorporating chemical pesticides for the control of N. ribisnigri is discussed.

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