普那菊苣的核型分析和C-分带研究

Study on C-banding and Karyotype Analysis of Puna Chicory

通过根尖染色体常规制片分析 ,确定普那菊苣的染色体核型组成为 :2 n=2 x=18=18m。利用 BSG方法对其染色体进行 C-分带研究 ,确认普那菊苣的标准 C-分带为 2 n=18=2 CT+4 CTI++1CT++ICTI++ICT+I+;同时证实利用 C-分带方法验证核型分析中染色体的配对是可行的。

This paper reported study of the chromosome karyotype and C-banding analysis of Puna Chicory (Cichorium intybus L.). The resluts showed that the chromosome karyotype of Puna Chicory is 2n=2x=18=18m. The C-banding analysis was conducted with BSG method, which showed the C-banding karyotype as 2n=18=2CT+4CTI ++1CT ++1CTI ++1CT +I +, and it's viable to identify the pairs of chromosomes by those C-banding characters.