Results 11 to 20 of about 343,034 (164)
Continuous and discontinuous nectar secretion in some pear cultivars
Hourly nectar secretion was studied in five pear cultivars between 1997-1999. Some cultivars (e.g. ‘Csákvári téli') secreted nectar continuously during the whole day, offering both nectar and pollen for pollinating insects.
Á. Farkas, Zs. Orosz-Kovács
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The sunflower crop provides an important honey flow for beekeepers. In France, beekeepers observed a decrease in honey yield from this crop these past years compared to the 1980s–1990s.
Chabert Stan +16 more
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Nectar ecology of the endemic epiphytic hummingbird-pollinated bromeliad Vriesea altodaserrae: secretion dynamics and pollinator visitation pattern [PDF]
Hummingbirds are the main pollinators of most bromeliad species, whose nectar traits usually respond to the selective pressures imposed by pollinators.
Carlos E. P. Nunes +4 more
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Dracula’s mistress: removal of blood-red floral nectar results in secretion of more nectar [PDF]
Background and aims – Flowers of Jaltomata quipuscoae (Solanaceae) secrete blood-red nectar that serves as an energy reward and possible attractant to pollinators.
Thomas Mione, Isaac Diaz
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The nectar secretion of some cultivated and spontaneous plant species
The work presents the results of our researches on the nectar secretion of the following species: Fagopyrum esculentum Mnch., Phacelia tanacetifolia Benth., Salvia verticillata L., Trifolium hybridum L.
Florica JULA, Gh. ILLYES
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Summer grazing change fitness in a Tibetan lotus
It is believed that grazing has an effect on the functioning and performance of flowers, as well as their association with pollinator preferences and plant reproduction.
Ruolan Wang +6 more
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Comparative study of wood betony (Stachys officinalis L) melliferousness in different habitat conditions [PDF]
Nectar production in wood betony (Stachys officinalis L), grown under differ-microclimatic habitat conditions (forest and experimental field), was analyzed.
Mačukanović-Jocić Marina
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Oilseed rape is an economically important crop and provides a good nectar resource. In this study, the nectar secretion characteristics of five winter oilseed rape (Brassica napus L.) cultivars in China were examined throughout the daytime.
Liu Ran +6 more
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Floral nectar contains mainly sugars as well as smaller amounts of amino acids and further compounds. The nectar composition varies between different plant species and it is related to the pollination type of the plant. In addition to this, other factors
Thomas Göttlinger, Gertrud Lohaus
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Nectar production in species of the Genus galanthus L. (Amaryllidaceae) from Serbia [PDF]
As a contribution to the study of the melliferous flora of Serbia, nectar production in two species of the genus Galanthus L. (G. nivalis L., and G. elwesii Hook.) was investigated.
Jovanović Filip +2 more
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