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2009•Journal of Entomological ResearchRequires access

Antifeedant activity of Spilanthes acmella flower head extract against Spodoptera litura (Fabricius).

Akata Rani, U. S. N. Murty

Open publisher page 9 citations

Abstract

Flower head extract of Spilanthes acmella was tested for the antifeedant activity against the third instar larvae of Spodoptera litura. Among different concentrations, 2.5% was the most effective and showed 100% feeding deterrence. It was followed by 2.0% (96.3%), 1.5% (81.0%) and 1.0% (66.6%) respectively. The other concentrations (0.25 and 0.50%) were less effective with percentage of deterrence ranging from 20.1 and 30.8%. The reduced food intake was also reflected in the decrease of relative larval weight at high concentrations.

About this research paper

What this paper is about

Flower head extract of Spilanthes acmella was tested for the antifeedant activity against the third instar larvae of Spodoptera litura. Among different concentrations, 2.5% was the most effective and showed 100% feeding deterrence. It was followed by 2.0% (96.3%), 1.5% (81.0%) and 1.0% (66.6%) respectively. The other concentrations (0.25 and 0.50%) were less effective with percentage of deterrence ranging from 20.1 and 30.8%. The reduced food intake was also reflected in the decrease of relative larval weight at high concentrations.

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OpenAlex reports 9 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Flower head extract of Spilanthes acmella was tested for the antifeedant activity against the third instar larvae of Spodoptera litura. Among different concentrations, 2.5% was the most effective and showed 100% feeding deterrence. It was followed by 2.0% (96.3%), 1.5% (81.0%) and 1.0% (66.6%) respectively. The other concentrations (0.25 and 0.50%) were less effective with percentage of deterrence ranging from 20.1 and 30.8%. The reduced food intake was also reflected in the decrease of relative larval weight at high concentrations.

Key concepts: Spodoptera litura, Instar, Larva, Toxicology, Biology, Caterpillar, Traditional medicine, Veterinary medicine

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