Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Lars Tollsten"'
Publikováno v:
Botanical Journal of the Linnean Society. 146:191-199
We studied an assemblage of 17 species of bird-pollinated Ecuadorian plants (from 14 angiosperm families), including taxa pollinated by short-billed (trochiline) and sickle-billed (hermit) hummingbirds. Hummingbirds are widely supposed to ignore frag
Publikováno v:
Plant Systematics and Evolution. 217:279-297
The subfamilyPhytelephantoideae comprises three genera (Ammandra, Aphandra, andPhytelephas) and seven species of dioecious palms. The floral scents ofAmmandra dasyneura, A. decasperma, Aphandra natalia, Phytelephas aequatorialis, P. macrocarpa, andP.
Autor:
Lars Tollsten, Peter M. Müller
Publikováno v:
Phytochemistry. 43:759-762
Volatile organic compounds (VOC) from beech ( Fagus sylvatica ) leaves have been studied. Headspace samples were collected in the forest from leaves in situ , and were analysed by GC-mass spectrometry. The major volatile constituent was sabinene acco
Publikováno v:
Phytochemistry. 42:373-381
The effect of infestation by larvae of the European apple sawfly ( Hoplocampa testudinea ) on the emission of volatiles from apple fruitlets was investigated. Healthy apples emitted a blend of terpenoids and a few aromatic and short aliphatic compoun
Autor:
Lars Tollsten, Jette T. Knudsen
Publikováno v:
Botanical Journal of the Linnean Society. 119:45-57
The chemical composition of floral scent in eight bat-pollinated species belonging to six different plant families was investigated. Floral scent was collected by headspace trapping using porous adsorbents and the chemical composition determined by c
Autor:
Roman Kaiser, Lars Tollsten
Publikováno v:
Flavour and Fragrance Journal. 10:153-164
The family of Cactaceae consists of around 1500 species in about 100 genera, being mostly leafless trees or shrubs of succulent appearance and often having attractive flowers. In comparison to other families, e.g. Orchidaceae, the flowers of Cactacea
Autor:
Dag Olav Øvstedal, Lars Tollsten
Publikováno v:
Nordic Journal of Botany. 14:361-368
The floral scent of Conopodium majus was trapped by head-space adsorption, and analysed by GC-MS. Two chemotypes of flower scent could be distinguished, both differing from a background of leaves. Characteristic of one chemotype were 4-oxoisophorone
Publikováno v:
Biochemical Systematics and Ecology. 22:161-169
The floral scent of three taxa of Angelica was dominated by monoterpenes and benzenoids. Scent of A. archangelica ssp. litoralis and A. silvestris both contain considerable amounts of α-pinene and 2-hydroxybenzaldehyde, the former also having linalo
Autor:
Lars Tollsten
Publikováno v:
Nordic Journal of Botany. 13:495-499
The effect of pollination on floral scent composition and production in the moth-pollinated orchid Platanthera bifolia was studied. A significant decrease in scent production was detected both two and five days after pollination. The proportion of wi
Autor:
L.Gunnar Bergström, Lars Tollsten
Publikováno v:
Nordic Journal of Botany. 13:607-613
Floral scent of Platanthera species (Orchidaceae) in S Sweden was collected by head-space adsorption methods in the field and analysed by gas chromatography-mass spectrometry (GC-MS). Variation in scent chemistry of both Platanthera bifolia and P. ch