Effect of five different type pesticides on the sunn pest, Eurygaster integriceps

Abstract : The Sunn pest, Eurygaster integriceps, a key constraint on increasing wheat production in the wide area, causes severe damage to the vegetative growth stage of wheat in the early season. In this study, the effects of selected biopesticides and insect growth regulators were investigated to open a new gate for pesticide application against this major pest of wheat fiels. Five concentrations of different chemicals were used for toxicity and evaluation of LC50 values along with a control treated with acetone. Comparison of LC50 values showed that A. annua extract, B. bassiana secondary metabolites and Buprofezin were more effective than pyriproxyfen and metoxyphenozide because of lower amount of LC50. Comparison of mortality percentage of this chemicals demonstrated the significant differences and the most percentage (100%) was observed in A. annua extract, B. bassiana secondary metabolites and Buprofezin treatments. Elucidation of the mode of action of chemicals is of practical importance for insect control because it may give useful information on the appropriate formulation types. This study has further confirmed the insecticidal potential of metabolic compound produced by A. annua, B. bassiana, pyriproxyfen, metoxyphenozide and buprefezin. In the future we can expect additional development and more advanced final adjustment of the insecticides and application techniques and obtaining new knowledge about physical-chemical properties that determine their destiny in the environment and in biological systems
Keyword : Eurygaster integriceps, Artemisia annua, Secondary metabolites, insect growth regulators
Author(s) : , A. Zibaee, A. R. Bandani
Downloads : 2287

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