期刊
JOURNAL OF CHEMICAL ECOLOGY
卷 38, 期 2, 页码 222-225出版社
SPRINGER
DOI: 10.1007/s10886-012-0068-z
关键词
Pheromone response; Kairomone; Wind tunnel; Vitis vinifera; European grapevine moth; Tortricidae; Lepidoptera
资金
- Swiss Innovation Promotion Agency [7273.1 LSPP-LS2]
- National Centre of Competence in Research Plant Survival of the Swiss NSF
Plant volatiles play an important role in the lives of phytophagous insects, by guiding them to oviposition, feeding and mating sites. We tested the effects of different host-plant volatiles on attraction of Lobesia botrana males to the female-produced sex pheromone, in a wind tunnel. Addition of volatile emissions from grapevines or individual plant volatiles to pheromone increased the behavioral responses of L. botrana males over those to pheromone alone. At a low release rate (under-dosed) of pheromone, addition of (E)-beta-caryophyllene, (Z)-3-hexenyl acetate, 1-hexanol, or 1-octen-3-ol increased all behavioral responses, from activation to pheromone source contact, while addition of (E)-4,8-dimethyl-1,3,7-nonatriene, (E)-beta-farnesene, (Z)-3-hexenol, or methyl salicylate affected only the initial behavioral responses. Dose-response experiments suggested an optimal release ratio of 1: 1000 (sex pheromone: host plant volatile). Our results highlight the role of plant volatiles in the sensory ecology of L. botrana.
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