Chemical composition and larvicidal activities of the Himalayan cedar, Cedrus deodara essential oil and its fractions against the diamondback moth, Plutella xylostella
IR@IHBT: CSIR-Institute of Himalayan Bioresource Technology, Palampur
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Title |
Chemical composition and larvicidal activities of the
Himalayan cedar, Cedrus deodara essential oil and its
fractions against the diamondback moth, Plutella xylostella
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Creator |
Chaudhary, A
Sharma, P Nadda , Gireesh Tewary, D K Singh , Bikram |
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Subject |
Plant sciences
Natural Product Chemistry |
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Description |
Plants and plant-derived materials play an extremely important role in pest management
programs. Essential oil from wood chips of Himalayan Cedar, Cedrus deodara (Roxburgh) Don
(Pinales: Pinaceae), was obtained by hydrodistillation and fractionated to pentane and acetonitrile
from which himachalenes and atlantones enriched fractions were isolated. A total of forty
compounds were identified from these fractions using GC and GC-MS analyses. Essential oils
and fractions were evaluated for insecticidal activities against second instars of the diamondback
moth, Plutella xylostella L. (Lepidoptera: Yponomeutidae), using a leaf dip method. All samples
showed promising larvicidal activity against larvae of P. xylostella. The pentane fraction was the
most toxic with a LC50 value of 287 μg/ml. The himachalenes enriched fraction was more toxic
(LC50 = 362 μg/ml) than the atlantones enriched fraction (LC50 = 365 μg/ml). LC50 of crude oil
was 425 μg/ml and acetonitrile fraction was LC50 = 815 μg/ml. The major constituents,
himachalenes and atlantones, likely accounted for the insecticidal action. Present bioassay results
revealed the potential for essential oil and different constituents of C. deodara as botanical
larvicides for their use in pest management
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Date |
2011
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Type |
Article
PeerReviewed |
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Format |
application/pdf
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Identifier |
http://ihbt.csircentral.net/1051/1/60_chemical_composition.pdf
Chaudhary, A and Sharma, P and Nadda , Gireesh and Tewary, D K and Singh , Bikram (2011) Chemical composition and larvicidal activities of the Himalayan cedar, Cedrus deodara essential oil and its fractions against the diamondback moth, Plutella xylostella. Journal of Insect Science:, 11. pp. 1-10. |
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Relation |
http://ihbt.csircentral.net/1051/
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