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作 者 ：孙元枢;王崇义;李英贤;郑学军;杜娟;陈秀珍

期 刊 ：作物学报 1992年 18卷 02期 页码：145-149

关键词：小黑麦雄性不育系；轮回选择；

Keywords:Triticale, Male-sterile line, Recurrent selection,

摘 要 ：用小黑麦显性核雄性不育系与具有不同性状的小黑麦杂交和回交,建成群体进行轮回选择。经两轮轮选,发现利用轮选改进小黑麦籽粒饱满度(小黑麦育种中限制因素)比用常规系选快一倍。虽然在八倍体核不育系与六倍体小黑麦杂交群体中,随着世代的增加不育株在群体中所占比例逐渐减少,但也有少数后代仍保持1F:1S 的分离比例。说明利用

Abstract:Crosses and backcrosses were made between dominant nuclear male-sterile triticalelines and triticales with different agronomic characters to establish a population for arecurrent selection program,after 2 cycles of selection and intercrossing,it was foundthat the improvement of Seed.plumpness,a limi

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