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甘白杂交创制早熟油菜新种质的研究
Authors
张彦锋
张耀文
+3 more
李殿荣
王学芳
田建华
Publication date
1 January 2017
Publisher
Abstract
为拓宽甘蓝型油菜遗传基础,解决甘蓝型油菜育种中早熟资源贫乏的问题,利用甘蓝型油菜(Brassica napus,2n=4x=AACC=38)与白菜类蔬菜(Brassica campestris,2n=2x=AA=18)的大白菜、小白菜和紫菜苔进行杂交,采用系谱法,经过连续10年的选择,培育出10个稳定的早熟优良品系,代号D1~D10。这些新种质的生育期比对照早2.5~9.5天,品质符合国家双低油菜标准,农艺性状各具特色。由于新种质拥有白菜A染色体的遗传背景,在杂交组合测配中,用这10个新种质比用非新种质材料配制杂交组合早熟,且获得高产组合的概率高出1倍以上
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of Botany,Chinese Academy Of Sciences
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Last time updated on 09/06/2022