Results 101 to 110 of about 642 (141)

Progeny array analysis to estimate outcrossing rates, inbreeding coefficients, and inbreeding depression among native, naturalized, and invasive populations of Mimulus guttatus (Phrymaceae). [PDF]

Front Plant Sci
Dudash MR, Berg JA, Zimmer EA.
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Unveiling Heterospecific Pollen Deposition in <i>Ranunculus</i> Plants Along a Land-Use Gradient Through DNA Metabarcoding. [PDF]

Ecol Evol
Werle S, Preußner A, Kuba K, Leonhardt SD, Keller A.   +4 more
europepmc   +1 more source

Floral mechanisms promote pollination success and reduce the incidence of self-pollination in a fly-pollinated self-incompatible orchid. [PDF]

Ecol Evol
Zhang S, Wu SM, Gao JY.
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Identification of self-incompatibility in macadamia <i>(Macadamia</i> SPP.<i>)</i> using field-bagging and fluorescence microscopy. [PDF]

Front Plant Sci
Kong G, Yu W.
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Joint test of historical vs. contemporary biogeography supports abundant center hypothesis shaping spatial patterns of self-fertilization. [PDF]

Evol Lett
Urquhart-Cronish M, Thompson KA, Angert AL.   +2 more
europepmc   +1 more source

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POLLEN CARRYOVER, GEITONOGAMY, AND THE EVOLUTION OF DECEPTIVE POLLINATION SYSTEMS IN ORCHIDS

Ecology, 1999
Geitonogamy (transfer of pollen among flowers on the same plant) may lead to reduced outcrossing and interfere with sex function. Orchids with pollen packaged into pollinaria would be expected to be particularly vulnerable to the loss of cross-mating opportunities imposed by geitonogamy.
Steven Johnson
exaly   +4 more sources

Phenological regulation of opportunities for within‐inflorescence geitonogamy in the clonal species, iris versicolor (iridaceae)

American Journal of Botany, 1996
Opportunities for selfing through geitonogamy are possible if more than one flower within the same clone, inflorescence, or floral unit is open at the same time. In a total of 200 inflorescences in two natural populations of Iris versicolor, flowers were observed and classified daily on the basis of anther dehiscence and stigma receptivity. Analysis of
Paul Kron
exaly   +4 more sources

Reduction of geitonogamy: Flower abscission for departure of pollinators

Ecological Research, 2003
Overproduction of flowers increases the attractiveness of a plant to pollinators, but results in increased geitonogamy. In general, flower abscission has been considered to be an event subsequent to the overproduction of flowers. We observed pollinator behavior in Tilia, a self‐incompatible ...
ERIKO ITO, KIHACHIRO KIKUZAWA
exaly   +2 more sources

Geitonogamy: The neglected side of selfing

Trends in Ecology and Evolution, 1993
Flowers of many angiosperm species are well adapted to avoid self-pollination, for instance by temporal and spatial separation of pollen and stigma within the same flower. However, such adaptations do not prevent the transfer of pollen between flowers on the same plant (geitonogamy).
Nickolas Waser, Peter Klinkhamer
exaly   +3 more sources

Systematic Increase in Pollen Carryover and Its Consequences for Geitonogamy in Plant Populations

Oikos, 1994
The fraction of pollen that is carried over from one flower to the next as a pollinator visits a sequence of flowers has a strong effect on patterns or mating in plant populations. Although most studies have used simple exponential or geometric functions to represent carryover, pollen deposition patterns often show longer-than-geometrics tails ...
Mary V Price
exaly   +2 more sources