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Carl-Otto Ottosen

Male bumblebees (Bombus hortorum L.) as pollinators of Lonicera periclymenum L. in NE Zealand, Denmark

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Examination of the pollination of honeysuckle suggested that out-crossing was mediated primarily by bumblebees and other insects. Pollen was found on up to 94% of examined stigmas, but most fruit set was due to self-pollination caused mainly by passive movements of the reproductive organs. Only bumblebees having a long proboscis are able to extract nectar, and the range (proboscis length) of male Bombus hortorum, which were frequent visitors, correspond to the amount of nectar left in unbagged flowers. The visits of male bumblebees may be an exploitation of available nectar resources in honeysuckle flowers in marginal habitats, where adapted pollinators are scarce. -from Author

TidsskriftFlora, Jena
Sider (fra-til)155-161
Antal sider7
StatusUdgivet - 1 jan. 1987
Eksternt udgivetJa

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