Results 11 to 20 of about 3,583 (178)
Nectar secretion in the flowers of comfrey (Symphytum officinale L.) and nectar chemistry
Acta Agrobotanica, 2013 Nectar secretion and nectar chemistry in the flowers of comfrey (Symphytum officinale L.) were examined in the four stages of anthesis: large buds, before pollen exposure: II - freshy opened flowers with the beginning of anther dehiscence: III ...
Małgorzata Stpiczyńska
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Dracula’s mistress: removal of blood-red floral nectar results in secretion of more nectar [PDF]
Plant Ecology and Evolution, 2020 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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Summer grazing change fitness in a Tibetan lotus
Global Ecology and Conservation, 2023 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]
Veterinarski Glasnik, 2005 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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The secretion of the systemic insecticides dimethoate and phorate into nectar [PDF]
Annals of Applied Biology, 1968 SUMMARYIn pot experiments, root applications of dimethoate and phorate were made to plants of fuchsia, nasturtium and bean. Twenty‐five mg dimethoate applied to a 5‐in pot made nectar from fuchsia and nasturtium and nectaries of beans toxic to bees and Drosophila melanogaster.
Lord, K. A. +2 more
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Oilseeds and fats, crops and lipids, 2020 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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Journal of Apicultural Science, 2023 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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Frontiers in Plant Science, 2022 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]
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2014 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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Nature, 1877 I HAVE briefly described in vol. xv. of the Linnaean Society's Journal, the nectar-glands found at the base of the fronds of the brake fern (Pteris aquilina) which are visited by ants for the sake of their sweet secretion. This case seemed to me to show in a striking manner that extra-floral nectar-glands are not necessarily protective in function ...
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