Results 221 to 230 of about 6,334 (256)
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Journal of Experimental Botany, 2022
Abstract Secondary chemistry often differs between sexes in dioecious plant species, a pattern attributed to its possible role in the evolution and/or maintenance of dioecy. We used GC-MS to measure floral volatiles emitted from, and LC-MS to quantitate non-volatile secondary compounds contained in, female and male Salix purpurea willow ...
Ken Keefover-Ring +4 more
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Abstract Secondary chemistry often differs between sexes in dioecious plant species, a pattern attributed to its possible role in the evolution and/or maintenance of dioecy. We used GC-MS to measure floral volatiles emitted from, and LC-MS to quantitate non-volatile secondary compounds contained in, female and male Salix purpurea willow ...
Ken Keefover-Ring +4 more
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Non-volatile floral oils of Diascia spp. (Scrophulariaceae)
Phytochemistry, 2008The floral oils of Diascia purpurea, Diascia vigilis, Diascia cordata, Diascia megathura, Diascia integerrima and Diascia barberae (Scrophulariaceae) were selectively collected from trichome elaiophores. The derivatized floral oils were analyzed by gas chromatography-mass spectrometry (GC-MS), whilst the underivatized samples were analysed by ...
Kanchana, Dumri +6 more
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Antiparasitic Effects of Three Floral Volatiles on Trypanosomatid Infection in Honey Bees
SSRN Electronic Journal, 2022Trypanosomatid gut parasites are common in pollinators and costly for social bees. The recently described honey bee trypanosomatid Lotmaria passim is widespread, abundant, and correlated with colony losses in some studies. The potential for amelioration of infection by antimicrobial plant compounds has been thoroughly studied for closely related ...
Evan C, Palmer-Young +7 more
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Drought and leaf herbivory influence floral volatiles and pollinator attraction
Global Change Biology, 2016AbstractThe effects of climate change on species interactions are poorly understood. Investigating the mechanisms by which species interactions may shift under altered environmental conditions will help form a more predictive understanding of such shifts.
Laura A, Burkle, Justin B, Runyon
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Enzymatic production and emission of floral scent volatiles in Jasminum sambac
Plant Science, 2017Floral scent composed of low molecular weight volatile organic compounds. The sweet fragrance of any evening blooming flower is dominated by benzenoid and terpenoid volatile compounds. Floral scent of Jasminum sambac (Oleaceae) includes three major benzenoid esters - benzylacetate, methylbenzoate, and methylsalicylate and three major terpene compounds ...
Paramita, Bera +2 more
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Volatile compounds of Argentinean honeys: Correlation with floral and geographical origin
Food Chemistry, 2018The determination of the botanical/geographical origin of honey provides assurance of the product's quality. In the present work, honeys from different ecoregions of Argentina were analysed, and the possible link between the complete pollen profile of honey samples and their volatile composition was evaluated by multivariate statistical tools.
Mariela Patrignani +4 more
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Intraspecific and interspecific variation in floral volatiles over time
Plant Ecology, 2020Floral volatile organic compounds (VOCs) are traits that influence plant interactions with pollinators and other species. Interspecific and intraspecific variation in traits can strongly influence community and ecosystem processes. Yet, we lack an understanding of patterns of variation in floral VOCs among individuals of a species and across species at
Laura A. Burkle +2 more
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Floral scents, leaf volatiles and thermogenic flowers in Magnoliaceae
Plant Species Biology, 1999Abstract The role and chemical composition of floral scent in pollination systems of angiosperms has been largely ignored because of the difficulty in characterizing scent components. Magnoliaceae is one of the few plant families in which the floral scents of a large number of species have been analyzed.
Hiroshi Azuma +2 more
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Floral volatiles of the sweet pea Lathyrus odoratus
Phytochemistry, 1999Abstract The volatile components of the floral fragrances from three sweet pea cultivars have been determined using polymer entrainment and solvent elution, combined with gas-chromatography–mass spectrometry. A total of 48 compounds were detected in quantifiable amounts, 41 of which were common to all three cultivars. The most abundant compounds were
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Orchid floral volatiles: Biosynthesis genes and transcriptional regulations
Scientia Horticulturae, 2018Abstract Floral scent and colour are key trait for many floricultural crops. Floral volatiles are biologically and economically important plant derived compounds and they play vital role in pollinator attraction, plant defense and interaction with surrounding the environment. Orchidaceae is one of the largest and most widespread families of flowering
Mummadireddy Ramya +4 more
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