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Screening for antifeedant activity of gymnema sylvestre leaf extracts against Spodoptera litura f. (Lepidoptera: Noctuidae)

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Title Screening for antifeedant activity of gymnema sylvestre leaf extracts against Spodoptera litura f. (Lepidoptera: Noctuidae)
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Creator Jaipal S. Choudhary
Chitra Srivastava
Suresh Walia
 
Subject Gymnema sylvestre
Spodoptera litura
Antifeedant
 
Description Not Available
Antifeedant activity of Gymnema sylvestre leaf extracts with different solvents viz., hexane, methanol, chloroform,
ethyl acetate, butanol and acetone precipitated were evaluated against third instar larvae of Spodoptera
litura through choice as well as no choice methods. Antifeedant activity of various extracts was compared based
on their AI50 values. It was observed that saponins mixtures showed lowest AI50 value (0.047%) followed by
azadirachtin (0.086%) through no-choice test method observed after 24 hours. When it was tested with choice
method, saponins mixture also showed lowest AI50 as 0.036% after 24 hours of treatment. After 48 hours of
observation through no-choice and choice method precipitated saponin mixtures of G. sylvestre showed
antifeedancy within the fiducial limit of azadirachtin. In the present study precipitated mixture of saponins
extracted from G. sylvestre showed very good antifeedant activity, which could be used for the ecofriendly
management of lepidopteran insect pests.
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Date 2021-08-03T06:42:37Z
2021-08-03T06:42:37Z
2014-01-01
 
Type Research Paper
 
Identifier Jaipal S. Choudhary*, C. Srivastava, and S. Walia, (2014). Screening for antifeedant activity of gymnema sylvestre leaf extracts against Spodoptera litura f. (Lepidoptera: Noctuidae), The Bioscan- an International quarterly journal of life sciences, 9(2): 633-638
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http://krishi.icar.gov.in/jspui/handle/123456789/52483
 
Language English
 
Relation Not Available;
 
Publisher Not Available