The Effect of Self- and Multiparental Pollination and the Number of Pollen Donors on the Seed Set of Aster kantoensis : Examination of a Hand Pollination Method for Population Restoration Programs

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  • WATANABE Atsuko
    Institute of Agricultural and Life Sciences, The University of Tokyo
  • WASHITANI Izumi
    Institute of Agricultural and Life Sciences, The University of Tokyo

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  • カワラノギクの種子生産に与える花粉親の数と自殖の効果 : 個体群復元のための人工授粉法の検討
  • カワラノギク ノ シュシ セイサン ニ アタエル カフン オヤ ノ カズ ト ジショク ノ コウカ コタイグン フクゲン ノ タメ ノ ジンコウジュフンホウ ノ ケントウ

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Abstract

The effect of self- and multiparental pollination on the seed set of endangered Aster kantoensis (Asteraceae) was examined in a hand pollination experiment. The seed set of A. kantoensis increased with the number of pollen donors, which should increase the genetic diversity of the pollen load. Based on the results of the experiment and existing information on the reproductive ecology of the species, we suggest an effective hand pollination method to aid population restoration programs using seeds and seedlings of A. kantoensis.

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