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2004•Pesticide Research JournalRequires access

Relative Toxicity of Certain New Insecticides Against Spodoptera litura (Fabricius)

GP Gupta, Seema Rani, Ajanta Birah, M. Raghuraman

Open publisher page 6 citations

Abstract

The relative susceptibility of 5-day old larvae of Spodoptera litura (Fabricius) to certain novel insecticides along with conventional ones was determined by bioassay using ‘Potter's tower’. On the basis of LC50 value, the order of toxicity of different insecticides with relative toxicity in parenthesis was: emamectin benzoate (6.93) > fenvalerate (1.82) > indoxacarb (1.62) > cypermethrin (1.00) > abamectin (0.94) > quinalphos (0.67) > bifenthrin (0.51) > spinosad (0.44) > endosulfan (0.28) > betacyfluthrin (0.23) > lambda cyhalothrin (0.19). The relative toxicity serves as a ready reckoner for the selection of suitable insecticides for effective pest management under field conditions. Also, such baseline data would provide a record for detecting resistance level of S. litura, if any, to various insecticides at different periods.

About this research paper

What this paper is about

The relative susceptibility of 5-day old larvae of Spodoptera litura (Fabricius) to certain novel insecticides along with conventional ones was determined by bioassay using ‘Potter's tower’. On the basis of LC50 value, the order of toxicity of different insecticides with relative toxicity in parenthesis was: emamectin benzoate (6.93) > fenvalerate (1.82) > indoxacarb (1.62) > cypermethrin (1.00) > abamectin (0.94) > quinalphos (0.67) > bifenthrin (0.51) > spinosad (0.44) > endosulfan (0.28) > betacyfluthrin (0.23) > lambda cyhalothrin (0.19). The relative toxicity serves as a ready reckoner for the selection of suitable insecticides for effective pest management under field conditions. Also, such baseline data would provide a record for detecting resistance level of S. litura, if any, to various insecticides at different periods.

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Available abstract

The relative susceptibility of 5-day old larvae of Spodoptera litura (Fabricius) to certain novel insecticides along with conventional ones was determined by bioassay using ‘Potter's tower’. On the basis of LC50 value, the order of toxicity of different insecticides with relative toxicity in parenthesis was: emamectin benzoate (6.93) > fenvalerate (1.82) > indoxacarb (1.62) > cypermethrin (1.00) > abamectin (0.94) > quinalphos (0.67) > bifenthrin (0.51) > spinosad (0.44) > endosulfan (0.28) > betacyfluthrin (0.23) > lambda cyhalothrin (0.19). The relative toxicity serves as a ready reckoner for the selection of suitable insecticides for effective pest management under field conditions. Also, such baseline data would provide a record for detecting resistance level of S. litura, if any, to various insecticides at different periods.

Key concepts: Spodoptera litura, Indoxacarb, Spinosad, Toxicology, Bifenthrin, Abamectin, Emamectin, Quinalphos

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