(2n=36, AABB) and B. carinata A. Braun (2n=34, BBCC) were obtained again and investigated by the methods of genomic in situ hybridization (GISH) and amplified fragment length polymorphisms (AFLP).

• 根据子房染色体数的数目和形态观察，这些F1植株可分为三类：第一类2n=24-35、第二类2n=20-34和第三类2n=17-34。