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Effect of plant secondary metabolites on legume pod borer, Helicoverpa armigera

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Relation http://oar.icrisat.org/6689/
http://dx.doi.org/10.1007/s10340-013-0485-y
 
Title Effect of plant secondary metabolites on legume pod borer, Helicoverpa armigera
 
Creator War, A R
Paulraj, M G
Hussain, B
Buhroo, A A
Ignacimuthu, S
Sharma, H C
 
Subject Food legumes
Entomology
 
Description The effect of various flavonoids, lectins and phenyl β-d-glucoside on larval survival, weights and the activities of digestive (total serine protease and trypsin) and detoxifying [esterase and glutathione-S-transferase] enzymes of Helicoverpa armigera larvae at 5 and 10 days after treatment (DAT) was studied through diet incorporation assay. Flavonoids (quercetin, cinnamic acid, caffeic acid, chlorogenic acid, catechin, trihydroxyflavone, gentisic acid, ferulic acid, protocatechuic acid and umbelliferone) were incorporated in artificial diet at 100, 500 and 1000 ppm, lectins: groundnut leaf lectin (GLL), concavalin (ConA) and phenyl β-d-glucoside at 2.5 and 5 μg mL−1. Flavonoids such as chlorogenic acid, caffeic acid and protocatechuic acid at 1,000 ppm were more toxic to H. armigera larvae at 10 DAT than quercetin, catechin, cinnamic acid, trihydroxyflavone, gentisic acid, ferulic acid and umbelliferone. Larval growth and development were significantly reduced in H. armigera larvae fed on a diet with GLL and ConA at 5 μg mL−1 compared to the larvae fed at 2.5 and 1.25 μg mL−1 concentrations. The enzyme activities of the larvae were significantly reduced in flavonoid-treated diets. The flavonoids such as chlorogenic acid, caffeic acid, gentisic acid, trihydroxyflavone, catechin and protocatechuic acid, and lectins, GLL and ConA can be utilized in insect control programs.
 
Publisher Springer Verlag
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/6689/1/Journal%20of%20Pest%20Science_86_3_399-408%292013.pdf
War, A R and Paulraj, M G and Hussain, B and Buhroo, A A and Ignacimuthu, S and Sharma, H C (2013) Effect of plant secondary metabolites on legume pod borer, Helicoverpa armigera. Journal of Pest Science, 86 (3). pp. 399-408. ISSN 1612-4766