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@ARTICLE{Effmert:56311,
author = {Effmert, U. and Grosse, J. and Röse, U. S. R. and Ehrig,
F. and Kagi, R. and Piechulla, B.},
title = {{V}olatile composition, emission pattern, and localization
of floral scent emission in {M}irabilis jalapa
({N}yctaginaceae)},
journal = {American journal of botany},
volume = {92},
issn = {0002-9122},
address = {New York, NY},
publisher = {JSTOR},
reportid = {PreJuSER-56311},
pages = {2 - 12},
year = {2005},
note = {Record converted from VDB: 12.11.2012},
abstract = {We elucidated scent components, daily emission patterns,
and the localization of floral scent release of Mirabilis
jalapa. Volatiles emitted by the whole plant as well as by
detached flowers were investigated using dynamic headspace
analysis and gas chromatography/ mass spectrometry. Among
several constituents including (Z)-3-hexenyl acetate,
β-myrcene, (Z)-ocimene, and benzyl benzoate, the
monoterpene (E)-β-ocimene was the major fragrance
component. Fragrance release occurred in a time-dependent
manner. The emission of volatiles, including (E)-β-ocimene,
showed an evening-specific maximum (1700-2000 pm). The
emission of (Z)-3-hexenyl acetate reached its maximum 3 h
later. Histological (neutral red staining) and morphological
studies (electron and light microscopy) of the flower
surface and tissues of M. jalapa revealed differences in
surface structures and tissue characteristics. The flower
could be divided into four main sections, including the
tube, the transition zone between tube and limb, a
star-shaped center of the limb, and petaloid lobes of the
limb. These petaloid lobes are the site of (E)-β-ocimene
release. Stomata and trichomes found on the abaxial flower
surface were not directly involved in fragrance release.
Clear indications of osmophores involved in scent release
could not be found. Thus, the results indicate that floral
volatiles probably are released by diffuse emission in M.
jalapa.},
keywords = {J (WoSType)},
cin = {ICG-III},
ddc = {580},
cid = {I:(DE-Juel1)VDB49},
pnm = {Chemie und Dynamik der Geo-Biosphäre},
pid = {G:(DE-Juel1)FUEK257},
shelfmark = {Plant Sciences},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:21652378},
UT = {WOS:000226507300002},
doi = {10.3732/ajb.92.1.2},
url = {https://juser.fz-juelich.de/record/56311},
}