التفاصيل البيبلوغرافية
| العنوان: |
Chemical composition and larvicidal activity of Zanthoxylum armatum against diamondback moth, Plutella xylostella. |
| المؤلفون: |
Kumar, Vishal, Reddy, S.G. Eswara, Chauhan, Urvashi, Kumar, Neeraj, Singh, Bikram |
| المصدر: |
Natural Product Research; Mar2016, Vol. 30 Issue 6, p689-692, 4p |
| مستخلص: |
The diamondback moth, Plutella xylostella (L.) (Lepidoptera: Yponomeutidae) is the most serious pest of cruciferous crops grown in the world causing economic yield loss. Several synthetic insecticides have been used against P. xylostella but satisfactory control was not achieved due to development of resistance to insecticides. Therefore, the present study was carried out to screen different fractions of Zanthoxylum armatum for their insecticidal activities against second instar larvae of P. xylostella. Results indicate, all the fractions showed activity to P. xylostella. However, n-hexane fraction of Z. armatum showed maximum larvicidal activity with minimum LC50 value of 2988.6 ppm followed by ethanol (LC50 = 12779.7 ppm) and methanol fraction (LC50 = 12908.8 ppm) whereas chloroform fraction was least toxic (LC50 = 16750.6 ppm). The GC–MS analysis of n-hexane fraction of leaf extract showed maximum larvicidal activity, which may be due to two major compounds i.e. 2-undecanone (19.75%) and 2-tridecanone (11.76%). [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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