Intrasubgeneric and interploid cross compatibility in evergreen and deciduous azaleas

Kaori Sakai, Yukio Ozaki, Michikazu Hiramatsu, Akira Wakana, Hiroshi Okubo

研究成果: Contribution to journalArticle査読

3 被引用数 (Scopus)

抄録

Twenty-three diploids, six triploids, nine tetraploids and four mixoploids in evergreen azaleas and eight diploids and five tetraploids in deciduous azaleas were identified by flow cytometric analysis of ploidy in species, interspecific hybrids and cultivars. Sizes of guard cells and pollen grains tended to increase in proportion to the increase in the ploidy. Intrasubgeneric and intra- or interploid hybridizations were conducted with evergreen and deciduous azaleas. Tetraploids of evergreen azaleas had relatively high cross-ability as seed and/or pollen parents, and triploid evergreen azaleas had fertility as seed parents only. Deciduous tetraploids had high pollen fertility and, therefore, capsules set relatively frequently in the interploid crosses of 2x × 4x. No capsules set in the reciprocal crosses.

本文言語英語
ページ(範囲)73-81
ページ数9
ジャーナルJournal of the Faculty of Agriculture, Kyushu University
51
1
出版ステータス出版済み - 2 1 2006

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

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