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Title

EFFICIENCY OF SOME INSECTICIDES AGAINST THE CABBAGE APHID, BREVICORYNE BRASSICAE L. ON CANOLA UNDER FIELD CONDITIONS IN SAVEH

Pages

 Start Page 163 | End Page 167

Abstract

 The CABBAGE APHID, BREVICORYNE BRASSICAE L. is the most important pest of CANOLA in Iran and causing serious damage to CANOLA crop. Field experiments were conducted at randomized completely block design with 10 treatment and 3 replications in Save hregion during 2004 and2005 to test the efficacy of conventional insecticides against CABBAGE APHID, B. brassicae (L.). The data of aphid population were recorded from randomly plants from each plots, taking the 10 cm twigs of plant at bud initiation during one day before and 1, 3, 7 and 15 days after spraying. Oxydemeton-methyl 25EC@1500ml/ha and imidacloprid 35SC@1000ml/ha were equally effective among the Primicarb, Thiometon, Chlorpyrifos-methyl, Pymetrozin and Trichlorophon sprays. The maximum yield was obtained in plots treat with Oxydemeton-methyl 25EC@1500ml/ha and imidacloprid 35SC@1000ml/ha.

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