...Tobacco and cotton are good examples of this type of polyploid, but because this type of polyploid is highly fertile, excellent varieties of this type have been established in crops that use seeds, such as wheat, oats, and rapeseed. The field of actively utilizing such polyploids in cultivar development is called polyploid breeding, and various methods have been devised for artificially creating polyploids. Autotetraploids can easily be obtained by treating diploids with colchicine (an alkaloid found in meadow saffron bulbs). ... *Some of the terminology that refers to "polyploid breeding" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…タバコ,ワタなどはその好例であるが,この型の倍数体は稔性が高いので,種子を利用するコムギ,エンバク,ナタネのような作物にこの型の優秀な品種群が成立している。このような倍数体を積極的に品種育成に活用する分野を倍数性育種polyploid breedingといい,人為的に倍数体をつくる方法がいろいろくふうされている。同質四倍体は二倍体をコルヒチン(イヌサフランの球根に含まれるアルカロイド)で処理すれば容易に得られる。… ※「polyploid breeding」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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