BIOCHEMICAL IMPACTS OF THREE CHITIN SYNTHESIS INHIBITORS AND THEIR BINARY MIXTURES WITH CHLORPYRIFOS OR BETA-CYFLUTHRIN ON Spodoptera littoralis (BOISD.)
Elgohary, L. (2013). BIOCHEMICAL IMPACTS OF THREE CHITIN SYNTHESIS INHIBITORS AND THEIR BINARY MIXTURES WITH CHLORPYRIFOS OR BETA-CYFLUTHRIN ON Spodoptera littoralis (BOISD.). EKB Journal Management System, 4(12), 1089-1102. doi: 10.21608/jppp.2013.87684
Laila R. A. Elgohary. "BIOCHEMICAL IMPACTS OF THREE CHITIN SYNTHESIS INHIBITORS AND THEIR BINARY MIXTURES WITH CHLORPYRIFOS OR BETA-CYFLUTHRIN ON Spodoptera littoralis (BOISD.)". EKB Journal Management System, 4, 12, 2013, 1089-1102. doi: 10.21608/jppp.2013.87684
Elgohary, L. (2013). 'BIOCHEMICAL IMPACTS OF THREE CHITIN SYNTHESIS INHIBITORS AND THEIR BINARY MIXTURES WITH CHLORPYRIFOS OR BETA-CYFLUTHRIN ON Spodoptera littoralis (BOISD.)', EKB Journal Management System, 4(12), pp. 1089-1102. doi: 10.21608/jppp.2013.87684
Elgohary, L. BIOCHEMICAL IMPACTS OF THREE CHITIN SYNTHESIS INHIBITORS AND THEIR BINARY MIXTURES WITH CHLORPYRIFOS OR BETA-CYFLUTHRIN ON Spodoptera littoralis (BOISD.). EKB Journal Management System, 2013; 4(12): 1089-1102. doi: 10.21608/jppp.2013.87684

BIOCHEMICAL IMPACTS OF THREE CHITIN SYNTHESIS INHIBITORS AND THEIR BINARY MIXTURES WITH CHLORPYRIFOS OR BETA-CYFLUTHRIN ON Spodoptera littoralis (BOISD.)

Journal of Plant Protection and Pathology
Article 8, Volume 4, Issue 12, December 2013, Page 1089-1102  XML PDF (456.21 K)
Document Type: Original Article
DOI: 10.21608/jppp.2013.87684
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Author
Laila R. A. Elgohary*
Pesticide Dept., Faculty of Agriculture, Mansoura University, Egypt
Abstract
The joint action of the binary mixtures of chlorpyrifos (organophosphorus) or beta-cyfluthrin (pyrethroid) plus three chitin synthesis inhibitors(flufenoxuron, chlorfluazuron and lufenuron) on the 4th instar larvae of the laboratory strain of the cotton leafworm Spodoptera littoralis (Boisd.) at LC25 level were evaluated. In general, according to co-toxicity factor data clearly indicated that all tested mixtures decreased the toxicity except for the combination between chlorpyrifos and lufenuron, it produced additive effect (-19.15). The tested mixtures of Beta-cyfluthrin with all tested insect growth regulators (IGRs) were high antagonism (ranging between - 55.56 and - 84.13) than the tested mixtures of IGRs with chlorpyrifos. The effect of both tested individual insecticides and it’s mixtures on the activity of esterases (α- & β-esterase), transaminase (AST and ALT) chitinase, alkaline phosphatase, total proteins, total lipids and glucose was determined colorimetrically.
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