摘要
以菜薹品种‘青露菜心’为材料,采用核型分析和形态学鉴定的方法,从三倍体与二倍体的回交子代中筛选SAT-染色体初级三体。共鉴定了374个回交子代,获得了1株SAT-染色体初级三体。SAT-染色体初级三体生长发育基本正常,但柱头高出雄蕊,(n+1)雌、雄配子的传递率分别为6.04%和3.20%。
The flowering Chinese cabbage cultiva＇rQinglu Caixin＇was used for the satellite-chromosome trisomic（SAT-trisomic）selection by karyotype analysis and morphological identification from the backcross progeny of triploid（2n = 3x = 30）× diploid parent（2n = 2x = 20）.The results showed that one SAT-trisomic was obtained from the 374 progeny identified by chromosome examination and karyotype analysis.Development of the SAT-trisomic was almost normal,but its stigma was above the stamen.Transmission rate of the extra SAT-chromosome was 6.04% by female gametes and 3.20% by male gametes.
出处
《园艺学报》
CAS
CSCD
北大核心
2011年第8期1553-1556,共4页
Acta Horticulturae Sinica
基金
河北省自然科学基金项目(C209900543)
关键词
菜薹
随体
染色体
初级三体
核型分析
flowering Chinese cabbage
SAT
chromosome
primary trisomics
karyotype analysis
