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Effect of pyrethroids, permethrin and fenvalarate, on the oxidative stress of Helicoverpa armigera

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Relation http://oar.icrisat.org/5934/
http://worldjournalofscience.com/index.php/wjst/article/viewPDFInterstitial/12425/6346
 
Title Effect of pyrethroids, permethrin and fenvalarate, on the oxidative stress of
Helicoverpa armigera
 
Creator Akbar, S M D
Sharma, H C
Jayalakshmi, S K
Sreeramulu, K
 
Subject Entomology
 
Description The cotton bollworm, Helicoverpa armigera is a polyphagous pest of several crops in Asia, Africa, and the Mediterranean
Europe. Pyrethroid insecticides are used to control noxious insects in agriculture, forestry, households and horticulture.
Therefore, the effect of permethrin and fenvalarate was evaluated on the oxidative stress in H. armigera. Lipid peroxidation,
H2O2 content, and lactate dehydrogenase (LDH) activity increased and glutathione reductase (GR) activity decreased in a
time- and dose-dependent manner in insecticide-fed larvae. However, catalase activity was not affected in insecticide-fed
larvae. Larval growth decreased by ~ 64 and 70% in larvae fed on diets with sub-lethal doses of permethrin and fenvalarate.
The results suggested that both the insecticides induced lipid peroxidation, H2O2, LDH leak, and altered antioxidant enzymes
leading to oxidative stress in cells, which contribute to deleterious effects of these insecticides on the growth of H. armigera
larvae, along with their neurotoxic effects.
 
Publisher www.worldjournalofscience.com
 
Date 2012
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/5934/1/WJST_2_1_01-05_2012.pdf
Akbar, S M D and Sharma, H C and Jayalakshmi, S K and Sreeramulu, K (2012) Effect of pyrethroids, permethrin and fenvalarate, on the oxidative stress of Helicoverpa armigera. World Journal of Science and Technology, 2 (1). 01-05. ISSN 2231 – 2587