コゴメガヤツリとカヤツリグサの自然交雑の可能性

• Chozin Muhamad Ahmad

  Department of Agronomy, Bogor Agricultural University

• 安田 昭三

  岡山大学資源生物科学研究科

書誌事項

タイトル別名

• Possibility of Natural Hybridization between Cyperus iria L. and Cyperus microiria Steud.

抄録

No experimental evidence of hybridization between Cyperus iria L. and C. microiria Steud. has heretofore been documented, though occurrence of natural interspecific hybrids in the genus Cyperus has been reported by Koyama (1953, 1961). The authors have obtained new types of plants from an experimental field after a mixed planting of these two species. The new plants showed an intermediate form between the two in shape of floral scale and floret density. They were longer in spikelet length and had a greater number of florets, though seed fertilities were evidently lower than those of the parent species. The seeds of new plants were dormant in each of the reciprocal crossings between C. iria and C. microiria, and the dormancy could be broken by a stratification at 15°C for one month. This character was considered to have been inherited from the dormant parent C. microiria. Progenies of the new type plants also showed a clear segregation in the characters of spikelet and floret morphology. It can thus be confirmed that these plants obtained from mixed planting in the experimental field are to hybrids between C. iria and C. microiria.

収録刊行物

• 雑草研究

  雑草研究 36 (3), 282-289, 1991

  日本雑草学会

キーワード

• コゴメガヤツリ
• カヤツリグサ
• 種間交雑
• 花部鱗片形質の遺伝
• 種子休眠性

詳細情報

• CRID: 1390001204279402752
• NII論文ID: 130003811122
• DOI: 10.3719/weed.36.282
• ISSN: 18824757
• ISSN: 0372798X
• 本文言語コード: en
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可