From the analysis and observations on the developmental pathways of calli and embryoids, it is found that equal division (B pathway ) is the major pathway in regeneration of pollen plants in wheat.

• 在对愈伤组织和胚状体产生的途径进行观察和分析后，发现小麦花粉植株大多数来源于均等分裂的小孢子，即为B途径发育类型。