Acta Entomologica Sinica (2004) 47, 206-212

Yao-Bin Lu and Shu-Sheng Liu (2004)
Effects of plant responses induced by exogenous jasmonic acid on host-selection behavior of Cotesia plutellae (Hymenoptera : Braconidae)
Acta Entomologica Sinica 47 (2), 206-212
Abstract: Jasmonic acid (JA) is a group of important signal molecules carrying information about injury in plants. Application of exogenous jasmonic acid to plants can induce them to produce various defense responses, such as changes in composition of volatiles, which in turn affect phytophagous insects and their natural enemies. We report here the effects of Chinese cabbage and common cabbage volatiles induced by exogenous Jasmonic acid on the host searching and selection behavior of a hymenopteran parasitoid Cotesia plutellae. For both Chinese cabbage and common cabbage JA-treated plants produced volatiles more attractive to adult females than untreated plants. Compared with untreated plants, the number of Plutella xylostella larvae parasitized by C. plutellae. on JA-treated plants of Chinese cabbage was significantly higher. These results demonstrate that application of exogenous Jasmonic acid on Chinese cabbage and common cabbage can make these plants more attractive to the parasitoid, and thereby promote its efficiency of host foraging.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Database assignments for author(s): Shu-Sheng Liu

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
environment/habitat manipulation

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Plutella xylostella	Cabbage (Brassica oleracea)
	Plutella xylostella	Brassica - other species
Cotesia vestalis (parasitoid)	Plutella xylostella