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Das Blühverhalten vonCapsella bursa-pastoris (Brassicaceae)

The flowering behaviour ofCapsella bursa-pastoris (Brassicaceae)

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Abstract

Capsella bursa-pastoris (L.)Med. is a partially self-pollinating, autogamous plant. The selfing-rate depends on ecological factors. High atmospheric humidity at temperatures over 15 °C and low light intensity, i.e. cloudy and rainy weather, lead to almost exclusive self-pollination, while dry and sunny weather favours outcrossing. At low temperatures (about 4–10 °C) anthesis is prolongated up to five-fold, but allogamy is reduced. Day-length distinctly influences the beginning of flowering.Capsella bursa-pastoris is not a day-neutral plant (as was supposed up to now) but behaves as a quantitative long-day plant.

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Authors and Affiliations

  1. Botanisches Institut, Universität Münster, Schloßgarten 3, D-4400, Münster/Westf., Bundesrepublik Deutschland

    Herbert Hurka

  2. Institut für Biologie I der Universität Tübingen, Lehrstuhl Spezielle Botanik, Auf der Morgenstelle 1, D-7400, Tübingen, Bundesrepublik Deutschland

    Roger Krauss & Theo Reiner

  3. Institut für Biologie II der Universität Tübingen, Lehrstuhl für Genetik, Auf der Morgenstelle 28, D-7400, Tübingen, Bundesrepublik Deutschland

    Klaus Wöhrmann

Authors
  1. Herbert Hurka
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  2. Roger Krauss
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  3. Theo Reiner
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  4. Klaus Wöhrmann
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Additional information

Teil einer Publikationsreihe über die Populationsökologie vonCapsella bursa-pastoris (L.)Med.

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Hurka, H., Krauss, R., Reiner, T. et al. Das Blühverhalten vonCapsella bursa-pastoris (Brassicaceae). Pl Syst Evol 125, 87–95 (1976). https://doi.org/10.1007/BF00986774

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  • DOI: https://doi.org/10.1007/BF00986774

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