Component and content changes of volatiles from Chinese cabbage damaged by Plutella xylostella

Abstract

Abstract: The study showed that Chinese cabbage,Brassica campestris could release a variety of volatiles,especially when infested by Plutella xylostella larvae.Among these volatiles,saturated hydrocarbon was dominant,aromatic hydrocarbon was the second,and unsaturated hydrocarbon,aldehyde,alcohol,ketone,acid and heteroaromatic compounds were existed with a small amount.Chinese cabbage damaged by Plutella xylostella larvae produced 3 times of volatiles in amount with more species than the control.The volatiles from control plants were mostly of small molecular weight,and those from Chinese cabbage damaged by Plutella xylostella were mostly of high molecular weight.

Key words: Chinese cabbage, Plutella xylostella, Volatiles

CLC Number:

Q584

YANG Guang, YOU Minsheng, WEI Hui . Component and content changes of volatiles from Chinese cabbage damaged by Plutella xylostella[J]. Chinese Journal of Applied Ecology, 2004, (11): 2157-2160.

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