Results 141 to 150 of about 1,101 (151)
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Annals of Applied Biology
Abstract Most pear cultivars require cross‐pollination to enhance yields in both self‐fertile and partially self‐fertile cultivars. Due to the deficit of wild bees and the limited pollination efficiency of honey bees, alternative commercial pollinators should be considered.
Karol Giejdasz +3 more
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Abstract Most pear cultivars require cross‐pollination to enhance yields in both self‐fertile and partially self‐fertile cultivars. Due to the deficit of wild bees and the limited pollination efficiency of honey bees, alternative commercial pollinators should be considered.
Karol Giejdasz +3 more
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How far does pollinator behaviour -conditioned by floral rewards- determine geitonogamy rate?
, 2012 The quality and quantity of floral rewards, together with pattern of presentation, “drive” pollinator visits within and among plants. In multi-flowering species, besides floral traits and display, the degree of geitonogamous pollination is determined by intra-plant pollinator movements.
ROSSI, MARTINA +3 more
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, 2011 Dactylorhiza maculata is a common terrestrial orchid in Finland. It is nectarless and the seed production is relatively high for a deceptive species. The pollinators of D. maculata do not have frequent visits to the flowers, but the species is capable of over 50 % seed capsule production.
Niiniaho, Jonna
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Opportunities for geitonogamy in the clonal herb Maianthemum dilatatum
Canadian Journal of Botany, 2005Clonal plant species have a diverse range of morphologies, which influences the spatial proximity of clonemates, which may affect the rate of geitonogamy. This study measured fine-scale clonal structure, pollinator behaviour, and impacts of geitonogamy on seed set in Maianthemum dilatatum (A. Wood) Nels. & J.F.
Amy S.G. Wilson +2 more
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Canadian Journal of Botany, 2004
We estimated geitonogamy in individuals with different inflorescence sizes in a small (100–200 flowering individuals) and a large population (>700 flowering individuals) of the self-compatible, moth-pollinated orchid Platanthera bifolia (L.) L. C. Rich. (Orchidaceae).
Johanne Maad, Lars Gunnar Reinhammar
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We estimated geitonogamy in individuals with different inflorescence sizes in a small (100–200 flowering individuals) and a large population (>700 flowering individuals) of the self-compatible, moth-pollinated orchid Platanthera bifolia (L.) L. C. Rich. (Orchidaceae).
Johanne Maad, Lars Gunnar Reinhammar
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Madroño
Optimal floral display (the number of simultaneously open flowers) is frequently viewed as a balance between pollinator attraction and avoidance of pollinator-mediated interfloral selfing (geitonogamy).
T. Miller, Kathleen M. Kay
semanticscholar +1 more source
Optimal floral display (the number of simultaneously open flowers) is frequently viewed as a balance between pollinator attraction and avoidance of pollinator-mediated interfloral selfing (geitonogamy).
T. Miller, Kathleen M. Kay
semanticscholar +1 more source
Temporal patterns in the mass flowering of Firmiana simplex: A new case of duodichogamy.
American-Eurasian journal of botanyPREMISE Given that insect-pollinated trees are generally characterized by mass flowering, hermaphrodites may benefit from abundant pollinators but suffer the cost of geitonogamy.
Jing Liu +3 more
semanticscholar +1 more source
Botanical journal of the Linnean Society
Over half of angiosperms have self-incompatibility systems to avoid self-pollination and inbreeding depression. Many members of Orchidaceae are self-compatible, but they may be prone to negative consequences of self-pollination.
Miriam Bazzicalupo +4 more
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Over half of angiosperms have self-incompatibility systems to avoid self-pollination and inbreeding depression. Many members of Orchidaceae are self-compatible, but they may be prone to negative consequences of self-pollination.
Miriam Bazzicalupo +4 more
semanticscholar +1 more source
Self- and Cross-Fertilization in Plants. II. The Selection of Self- Fertilization
INTERNATIONAL JOURNAL PLANT SCIENCES, 1992D. Lloyd
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