【摘要】 从细胞学角度探讨了植物体细胞无性系变异的发生机理 ,阐述了体细胞脱分化的过程和随后进行的第一次细胞分裂方式 ,以及愈伤组织细胞染色体数目、结构变异的规律和研究进展 .更多还原

【Abstract】 The present thesis is intended to approach several aspects on the mechanism of plant somaclonal variation by cytological methods.The dedifferentiation process and subsequent first cell division,as well as the chromosome number and structural variation in callus cells were discussed.更多还原