Toxicity of Alangium salvifolium Wang chemical constituents against the tobacco cutworm Spodoptera litura Fab

Pesticide Biochemistry and Physiology
Selvaraj Selin-RaniVenkatraman Pradeepa

Abstract

Widespread use of synthetic pesticides has resulted in the development of insecticide-resistant populations of pests and harmful effects on human health and the environment. There is a need to identify alternative pest management strategies to reduce our reliance on conventional chemical pesticides. In recent years the use of botanical pesticides for protecting crops from insect pests has assumed greater importance. Methanol extract of Alangium salvifolium (L.f.) Wang has potential insecticidal activity against Spodoptera litura Fab. The active fractions were identified through chromatographic techniques as F-IV (Rf value=0.45) and F-VI (Rf value=0.63) and were subjected to GC-MS (GCMATE II). Fifty, 100 and 200ppm of active fractions were applied to fourth instar larvae and the mortality increased with higher concentrations. Relative consumption rate, relative growth rate, efficiency of conversion of ingested food and efficiency of conversion of digested food values all decreased in treated larvae, but approximate digestibility rate increased after treatment. The hydrolytic enzymes, such as acid phosphatase, alkaline phosphatase and the glycolytic enzyme lactate dehydrogenase were inhibited in treated larvae compared with contr...Continue Reading

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Citations

Dec 13, 2016·Ecotoxicology and Environmental Safety·Annamalai ThanigaivelKandaswamy Kalaivani
Jun 19, 2017·Environmental Science and Pollution Research International·Prabhakaran Vasantha-SrinivasanNaif Abdullah Al-Dhabi
Apr 13, 2019·Environmental Science and Pollution Research International·Muthiah ChellappandianNarayanan Shyam-Sundar
Nov 17, 2017·Environmental Science and Pollution Research International·Kathirvelu BaskarSavarimuthu Ignacimuthu
Jun 6, 2017·Environmental Science and Pollution Research International·Annamalai ThanigaivelGiovanni Benelli
Jun 25, 2020·Environmental Science and Pollution Research International·Débora Soares MaiaJoão Máximo de Siqueira
Aug 9, 2019·Ecotoxicology and Environmental Safety·Sengodan KarthiNarayanan Shyam-Sundar

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