...For example, the operation of segregation breeding is very effective when carrying out introductory breeding or when maintaining the varietal characteristics of a new variety after it has been developed, regardless of the breeding method used. Segregation breeding methods are divided into pure line selection, mass selection, and clonal isolation. Pure line selection is mainly applied to self-pollinating crops such as rice and wheat, and the new variety developed by sequentially selecting favorable individuals becomes a pure line (a population with almost no genetic variation between the self-pollinating individuals of the next generation). ... *Some of the terminology that refers to "trophic separation" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…たとえば,導入育種を実施するときや,いずれの育種法を用いる場合にも新品種の育成後,その品種特性を維持するときに,分離育種法の操作はひじょうに有効である。 分離育種法は純系選抜法,集団選抜法,栄養系分離法に分けられる。純系選抜法はおもにイネ,コムギなど自殖性作物に適用され,好ましい個体を順次選抜して育成された新品種は一つの純系(自殖した次世代の個体間に遺伝質の変異がほとんどない個体群)になっている。… ※「栄養系分離」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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