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2n配子在植物育种和种质创新中利用的研究进展

DOI: 10.3321/j.issn:1000-7091.2003.z1.008, PP. 30-35

Keywords: 植物,2n配子,应用,综述

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Abstract:

2n配子在植物进化过程中起了重要作用,目前,自发、诱发2n配子已在马铃薯、苜蓿、红三叶草、越桔等作物的育种实践中应用,并分别获得了良好的效果。本文综述了关于植物2n配子的主要研究方向和近期取得的研究结果;植物自发、诱发2n配子在有性多倍化、利用种质资源、传递杂种优势、克服胚乳平衡数障碍、克服自交不亲合、马铃薯实生育种及其他领域应用的优越性和已取得的成果;国际国内通过轮回选择、2n花粉机械分离、诱导基因突变及直接诱导2n配子等方法提高2n配子利用效率的研究进展;2n配子育种的应用前景。

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