期刊
CHEMOECOLOGY
卷 20, 期 1, 页码 1-9出版社
SPRINGER BASEL AG
DOI: 10.1007/s00049-009-0028-4
关键词
CYP79; Diamondback moth; Trichomes; Oviposition
资金
- NKJ (Nordic Joint Committee for Agricultural Research)
The oviposition preference and larval performance of the diamondback moth (DBM), Plutella xylostella, was studied using Arabidopsis thaliana plants with modified glucosinolate (GS) profiles containing novel GSs as a result of the introduction of individual CYP79 genes. The insect parameters were determined in a series of bioassays. The GS content of the plants as well as the number of trichomes were measured. Multivariate analysis was used to determine the possible relationships among insect and plant variables. The novel GSs in the tested lines did not appear to have any unequivocal effect on the DBM. Instead, the plant characteristics that affected larval performance and larval preference did not influence oviposition preference. Trichomes did not affect oviposition, but influenced larval parameters negatively. Although the tested A. thaliana lines had earlier been shown to influence disease resistance, in this study no clear results were found for P. xylostella.
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