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Plumbagin and azadirachtin deplete hemolymph ecdysteroid levels and alter the activity profiles of two lysosomal enzymes in the fat body of Helicoverpa armigera (Lepidoptera: Noctuidae)

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Title Plumbagin and azadirachtin deplete hemolymph ecdysteroid levels and alter the activity profiles of two lysosomal enzymes in the fat body of Helicoverpa armigera (Lepidoptera: Noctuidae)
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Creator Josephrajkumar, A., Subrahmanyam, B. and Srinivasan
 
Subject Plumbagin, azadirachtin, ecdysteroid, acid phosphatase, P-galactosidase, hemolymph, fat body, Noctuidae, Helicoverpa armigera
 
Description Not Available
The profile of hemolymph ecdysteroid was studied in the gram pod borer, Helicoverpa armigera, during larval-pupal transformation. The changes closely correspond to the developmental events occurring at metamorphosis. Two insect growth regulators, plumbagin and azadirachtin, significantly depleted the content and altered the profile of ecdysteroids at crucial stages, when applied at ED 50 doses. The activity profiles of two fat body lysosomal enzymes, acid phosphatase and P-galactosidase, were also significantly affected by the insect growth regulators. It is suggested that plumbagin and azadirachtin treatments primarily modify the ecdysteroid titer, which in turn leads to changes in lysosomal enzyme activity causing overt morphological abnormalities during the metamorphic molt.
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Date 2018-11-30T17:32:35Z
2018-11-30T17:32:35Z
1998-12-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/14695
 
Language English
 
Relation Not Available;
 
Publisher Not Available