Selfing potential in Epipactis palustris, E. helleborine and E. atrorubens (Orchidaceae)

Tałałaj, Izabela; Brzosko, Emilia

doi:10.1007/s00606-008-0082-3

Cited by 45 publications

(47 citation statements)

References 29 publications

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“…Fruits and seeds recorded after induced geitonogamy in another population (ZE) indicate that in this population the self-compatible system was realized. However, the frequency of geitonogamous fruits and mean number of seeds were not very high in comparison to many other self-compatible plants, which exhibit very high levels of fruiting (up to 100%) as a result of induced selfing [33][34][35]. Both the number of geitonogamous fruits and seeds were also significantly lower than those from controlled pollination recorded in the ZE population.…”

Section: Discussioncontrasting

confidence: 60%

“…If the KO population is self-incompatible, geitonogamous pollen transfer causes ovules and cross-pollen discounting, which decreases reproductive success in many SI species [11,32,44,45]. Diverse pollinator assemblages, behavior, and higher frequency of visited flowers prevent such a scenario and promote effective cross-pollen transfer [34,45].…”

Section: Ko Ze V (Sd) Tinf (Sd) Nf (Sd) V (Sd) Tinf (Sd) Nf (Sd)mentioning

confidence: 99%

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Breeding system variability, pollination biology, and reproductive success of rare Polemonium caeruleum L. in NE Poland

et al. 2017

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Polemonium caeruleum (Polemoniaceae) represents a very interesting system of compatibility transition. Studies of its biological and ecological properties in the context of the breeding system of various populations may help to understand the evolutionary mechanism of this process. We investigated some aspects of the breeding system, diversity and foraging behavior of the visitors, and relationship between population properties and fruit set in three populations from NE Poland. We found distinct compatibility systems in two studied populations and showed that if a population is self-compatible (SC), selfing is mediated by insects via geitonogamous pollen transfer. Despite the population properties (compatibility, visitor diversity and activity, population size, density, or floral display), P. caeruleum is not pollen limited and pollinators are highly important as a key factor determining the high reproductive success. Visitor assemblages (including key pollinators, bumblebees, and honey bees) and their foraging behavior on inflorescences vary between the populations, which may influence differences in the breeding system. The selfincompatible population was visited by a more diverse group of insects from Hymenoptera, Diptera, Lepidoptera, Heteroptera, and Coeloptera, which may favor effective cross-pollen transfer, whereas the SC population was pollinated mainly by Apis mellifera, which may promote mixed-mating. Studies on a wider range of P. caeruleum populations are needed to determine selective factors responsible for compatibility transition.

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Section: Discussioncontrasting

confidence: 60%

Section: Ko Ze V (Sd) Tinf (Sd) Nf (Sd) V (Sd) Tinf (Sd) Nf (Sd)mentioning

confidence: 99%

Breeding system variability, pollination biology, and reproductive success of rare Polemonium caeruleum L. in NE Poland

et al. 2017

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“…1). In spite of the close proximity of these islands, they show differences in time of flowering and fruiting, as well as in pollinator communities and activity (Brzosko, 2002;Tałałaj and Brzosko, 2008).…”

Section: Study Sitesmentioning

confidence: 99%

“…papillosa and var. sayekiana (Suetsugu, 2013), Epipactis palustris (Tałałaj and Brzosko, 2008) and Nervilia nipponica (Gale, 2007). Facultative autogamy may occur in a number of orchids, but the mechanism facilitating self-pollination is difficult to determine (Catling, 1990;Claessens and Kleynen, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, we evaluated the potential and limitations of facultative autogamy in these species. This study is a part of broader investigations on the breeding system of temperate orchids in populations located in a continuous range of their geographical distribution and in natural habitats characteristic of northeast Poland (Tałałaj and Brzosko, 2008). We attempted to evaluate the self-compatibility of a given species with focus on the fruit set and the properties of seeds from experimentally self-pollinated flowers.…”

Section: Introductionmentioning

confidence: 99%

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The Ability of Spontaneous Autogamy in Four Orchid Species: Cephalanthera Rubra, Neottia Ovata, Gymnadenia Conopsea, and Platanthera Bifolia

Tałałaj¹,

Ostrowiecka²,

Włostowska³

et al. 2017

Acta Biologica Cracoviensia S. Botanica

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The breeding system in Orchidaceae generates many questions about the selfing potential of its representatives. We investigated the ability of spontaneous autogamy of four orchid species: Cephalanthera rubra and Neottia ovata of the Neottieae tribe and Gymnadenia conopsea and Platanthera bifolia of the Orchideae tribe. These species represent diverse specializations of the gynostemium architecture. The self-compatibility and properties of autogamous seeds were determined in a bagging experiment and seed development analysis. After induced autogamy, a high level of fruiting (80-100%) was noted in all of the four study species. C. rubra, N. ovata, and G. conopsea are completely self-compatible, and P. bifolia is suggested to be partially self-compatible. If autogamy occurred, inbreeding depression and resource limitation on seed development appeared only in the two Orchideae species. Independent of flower specialization, both Neottieae species and P. bifolia were completely allogamous, whereas G. conopsea could be facultatively autogamous.

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Tribe Neottieae

Argue¹

2011

The Pollination Biology of North American Orchids: Volume 2

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Selfing potential in Epipactis palustris, E. helleborine and E. atrorubens (Orchidaceae)

Cited by 45 publications

References 29 publications

Breeding system variability, pollination biology, and reproductive success of rare Polemonium caeruleum L. in NE Poland

Breeding system variability, pollination biology, and reproductive success of rare Polemonium caeruleum L. in NE Poland

The Ability of Spontaneous Autogamy in Four Orchid Species: Cephalanthera Rubra, Neottia Ovata, Gymnadenia Conopsea, and Platanthera Bifolia

Tribe Neottieae

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