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Publications (4)
Insect growth regulators (IGRs) are insecticides that mimic insect produced hormones by regulating developmental process. They have little or no mammalian toxicity, and are considered reduced-risk insecticides that are often exempt from tolerance requirements of regulatory agencies. IGRs, especially, chlorfluazuron, hydroprene and hexaflumuron (ben...
Botanical extracts (8%) of four plants (Artemisia monosperma, Zygophyllum cocccineum, Lupinus termis and Brassica tournifortii) fed to the 4th larval instars of Spodoptera littoralis induced histopathological changes in the structure of the midgut, integument and fat body of the 5th instars. Zygophyllum cocci-neum and Lupinus termis induced severe...
The third instars larvae of Spodotera littoralis were topically treated with two plant oils, Ricinus communis and Brassica nigra and one mineral oil, Kemesol 95% dissolved in petroleum ether and acetone at concentrations of 0.8, 1.6, 2.0, 3.0 & 4 %. The results revealed that the mean values of the total haemolymph and fat body protein was reduced i...
The present study deals with the evaluation of efficiency of bacterial mosquito larvicides against Aedes aegypti when used in combinations with each other under laboratory conditions. Synergistic interactions among the multiple endotoxins of Bacillus thuringiesis Subsp. israelensis de Barjac (Bti) play an important role with high toxicity to mosqui...
