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Floral odors of Silene otites (Caryophyllaceae) : their variability and attractiveness to mosquitoes

Title data

Jhumur, Umma Salma ; Dötterl, Stefan ; Jürgens, Andreas:
Floral odors of Silene otites (Caryophyllaceae) : their variability and attractiveness to mosquitoes.
In: Journal of Chemical Ecology. Vol. 34 (2008) . - pp. 14-25.
ISSN 1573-1561
DOI: https://doi.org/10.1007/s10886-007-9392-0

Abstract in another language

Inflorescence scent samples from nine populations of dioecious Silene otites, a plant pollinated by moths and mosquitoes, were collected by dynamic headspace extraction. Sixty-three scent samples were analyzed by gas chromatography–mass spectrometry. Out of 38 found, 35 compounds were identified, most of which were monoterpenoids, fattyacid derivatives, and benzenoids. Phenyl acetaldehyde was the most dominant compound in the majority of samples. The variability in scent composition was high, and population and sex differences were found. Nevertheless, wind tunnel experiments proved similar attraction of Culex pipiens pipiens biotype molestus mosquitoes to the inflorescence odor of S.otites of different populations, indicating that different blends are similarly attractive to mosquitoes. The electrophysiological responses of mosquitoes to the 12 most common and abundant odor compounds of S. otites differed. Linalooloxide (furanoid) and linalool evoked the strongest responses in male and female mosquitoes, and (Z)-3-hexenyl acetate was strongly active in females. Medium responses were evoked in males by (Z)-3-hexenyl acetate, in females by benzaldehyde and methyl salicylate, and in both sexes by lilac aldehyde, lilac alcohol, and linalool oxide (pyranoid)

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER55102
Institutions of the University: Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 14 Jul 2015 06:21
Last Modified: 14 Jul 2015 06:21
URI: https://eref.uni-bayreuth.de/id/eprint/16332