Cross Compatibility between Tetra Ploids and Octa Ploids of Dendranthema yoshinaganthum Kitam. and Characteristics of the Progenies

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  • Fukai Seiichi
    Horticultural Science, Faculty of Agriculture, Kagawa University
  • Kamigaichi Youko
    Horticultural Science, Faculty of Agriculture, Kagawa University
  • Nozaki Kouju
    Horticultural Science, Faculty of Agriculture, Kagawa University

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Other Title
  • 四倍性ナカガワノギクと八倍性ナカガワノギクの交配親和性と後代の特徴
  • 育種・遺伝資源 四倍性ナカガワノギクと八倍性ナカガワノギクの交配親和性と後代の特性
  • イクシュ イデン シゲン 4バイセイ ナカガワノギク ト 8バイセイ ナカガワノギク ノ コウハイ シンワセイ ト コウダイ ノ トクセイ

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Abstract

Reciprocal crossing between tetraploids and octaploids of Dendranthema yoshinaganthum Kitam. were performed. Tetraploid × tetraploid was compatible, but no seedlings were obtained from octaploid × octaploid. The tetraploid × octaploid was partially compatible. The ploidy level of the progenies was almost intermediate between that of the parents. Some progenies had a larger chromosome number than expected. Male-sterile traits appeared in progenies derived from specific cross combinations between tetraploid and octaploid.<br>

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