Toxicity of some pesticides and oil plant extracts to plant sucking pests

Document Type : Original Article

Authors

1 Department of Economic Entomology, Faculty of Agriculture, University of Kafr El-Sheikh

2 Plant Protection Research Institute

3 Department of Pesticides, Faculty of Agriculture, University of Kafr El-Sheikh

10.21608/jpces.2007.459658

Abstract

Toxicity of certain compounds including pesticides (fenitrothion and etoxazole), mineral oil (KZ-oil), plant oils extracted from citrus such as (baladi mandarin Citrus deliciosa Blanc, sour orange Citrus aurantium L. , acidless orange Citrus sinensis Osbek) and blue gum Eucalyptus globulus L., microbial pesticides (Biofly and Agerin) and mixtures of [KZ-oil with plant oils or microbial pesticides] against nymphs of Thrips tabaci Lind., adult of Aphis gossypii Glover and adult females of Tetranychus urticae Koch ,were evaluated under laboratory conditions. Results revealed that, fenitrothion gave high toxic effect against all tested pests., T. tabaci, A.gossypii and T. uritica. Etoxazole was the least toxic compound against T.tabaci while high toxic for A. gossypii. The plant oils., blue gum, sour orange and acidless orange have a moderate toxicity to A. gossypii while slight toxicity to T.urtica. KZ-oil was higher toxic against T.urtica than all tested plant oils. Also the results showed that Biofly and Agerin were highly toxic to T.tabaci and A.gossypii while their moderately toxic to T. urtica  Clearly a tested mixtures had a potential effect against T.tabaci, A.gossypii,  and T.urtica.,   
Journal of Pest Control and Environmental Sciences
Volume 15, Issue 2
December 2007
Pages 49-61

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