So were chromosomal deficiency or reproduction, and unequal division in the period of pollenmothercell.
花粉母细胞染色体数不恒定,后期两极染色体数分配不均等。
2
The sensitive phase of fertility alteration of D18 and D23 occurred from the second branch differentiation phase to pollenmothercell formation.
水稻光温敏核不育系d 18和D23的育性转换的敏感期是第二次枝梗分化期到花粉母细胞形成期。
3
The soluble protein content in spikelet of Zhenshan 97a of cytoplasmic male sterile rice decreased rapidly after the formation stage of pollenmothercell (PMC).