Nectar and pollen
Food for pollinators: quantifying the nectar and pollen resources of urban flower meadows
... the nectar and pollen resources offered by two exemplar commercial seed mixes (one annual, one perennial) and associated weeds grown as 300m 2 meadows across four UK cities, sampled at six time points ...
37
Available methods for the sampling of nectar, pollen, and flowers of different plant species
... The results show clearly that it is possible to collect pollen and nectar from plants that are used in pollinator testing. Different sampling methods have been tried succesfully for the two main cultures, ...
8
Development and Utilization of Medicinal Parasitic Plant Dodder as Source of Nectar and Pollen
... Abstract: Dodder, a parasitic herbage, is widely distributed throughout china.It is a very troublesome hogweed in agricultural production. People have to spend more human and material resources to get rid of it. Does ...
5
For antagonists and mutualists: the paradox of insect toxic secondary metabolites in nectar and pollen
... and nectar robbery Species in the Genus Aconitum produce potent mam- malian toxins with reports of human poisonings associated with the norditerpenoid alkaloids that occur in all plant parts (Kolev et ...long ...
12
Nectar secretion and pollen production in protandrous flowers of Campanula patula L. (Campanulaceae)
... (concurrent nectar and pollen ...Both nectar and pollen production require much energy, ...of nectar can be up to 37% of daily photosynthesis [2], while 7% of photosynthetic carbon ...
9
Nectar and pollen production in Arabis procurrens Waldst. & Kit. and Iberis sempervirens L. (Brassicaceae)
... Ecological environment in urban areas is specific in many aspects. There are evidences that ornamental plants cultivated in local urban gardens may help in conservation of pollinators. In this study, the flowering ...
10
An analysis of the energetic reward offered by field bean (Vicia faba) flowers: nectar, pollen and operative force
... the pollen production and nectar sugar concentration of flowers (but not above 55% w/w), while maintaining an average volume of nectar in ...of pollen foragers, while not deterring ...
11
Pollen Removal and Deposition by Pollen- and Nectar-Collecting Specialist and Generalist Bee Visitors to Iliamna bakeri (Malvaceae)
... visited, pollen- and nectar- exploited flowers (Arneson ...of pollen and/or nectar removed, to reach convincing conclusions on the overall role of time in floral resource collection ...
7
Evolution of flower morphology, pollen dimorphism, and nectar composition in Arcytophyllum, a distylous genus of Rubiaceae
... morphology, nectar, pollen–ovule (P/O) ratio and seed set of ten species in 11 ...relationships. Nectar sugar composition was similar between the morphs. Nectar of most species presented a ...
18
Stabilizing selection on nectar concentration in wild Petunia axillaris , as revealed by genetic analysis of pollen dispersal
... produce nectar as a pollinator reward. Despite the main role that nectar plays in plant-pollinator interactions, the impact of natural var- iation in nectar traits on realized male fitness is poorly ...
16
Specialist nectarivorous birds ( Cinnyris osea ) steal nectar whereas omnivorous birds are pollen transfer vectors of Anagyris foetida
... for nectar in ...collect nectar without damaging the flower ...of pollen grains (level 3 in Table ...carrying pollen grains on its feathers or ...specialized nectar feeder, Palestine ...
8
Chronic oral exposure to field-realistic pesticide combinations via pollen and nectar : effects on feeding and thermal performance in a solitary bee
... in pollen and nectar of commercial melon fields on the solitary bee Osmia bicornis ...via pollen and sugar syrup. We measured pollen and syrup consumption, longevity, ovary maturation and ...
11
Effects of load type (pollen or nectar) and load mass on hovering metabolic rate and mechanical power output in the honey bee Apis mellifera
... study, pollen foragers had a mean inclination of stroke plane of 31°, compared to a mean inclination of stroke plane of 11° in the Ellington study, while our pollen foragers had body angles of 14° compared ...
11
Nectar and Pollen Plants for Native Wild Pollinators
... Size: Spread 30-60 cm; Height 70-103 cm Light Requirements: Full sun or sun/shade Soil: Tolerates a variety of moist soils Moisture: Moderate. Perennial[r] ...
19
Impacts of ozone pollution on nectar and pollen quality and their significance for pollinators /
... There are countless people who deserve thanks for contributing time, effort and support to my work presented in this thesis: Alan Craig, I simply couldn’t have carried- out my ozone experiments without you and I ...
266
Collateral effects of beekeeping : impacts on pollen-nectar resources and wild bee communities
... Keywords: Bee conservation; Exploitative competition; Honey bees; Pollinator community; 43 Resource consumption... Introduction 47.[r] ...
30
Floral longevity, nectar production, pollen release, and stigma receptivity in Haskap ( Lonicera caerulea )
... senescence. Nectar is produced immediately upon anthesis, potentially beginning in the large bud ...initial nectar production the volume is held relatively constant until senescence and any nectar ...
7
Nectar bats and their flowers across cloud forests of Ecuador and the effect of artificial nectar feeders
... artificial nectar feeders are available in the area; these interactions could be disturbed if bats are drawn away from the ...(2) pollen loads carried by bats, (3) visitation rates to bat-pollinated plants ...
49
Nectar theft and floral ant repellence : A link between nectar volume and ant repellent traits?
... As flower visitors, ants rarely benefit a plant. They are poor pollinators, and can also disrupt pollination by deterring other flower visitors, or by stealing nectar. Some plant species therefore possess floral ...
10
Nectar microbes can reduce secondary metabolites in nectar and alter effects on nectar consumption by pollinators
... in nectar on the growth and metabolism of nectar-colonizing yeasts and bacteria, and the interactive effects of these compounds and nectar microbes on the consumption of nectar by ...common ...
31