The sensitive phase of fertility alteration of D18 and D23 occurred from the second branch differentiation phase to pollen mother cell 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。
So it is very important for the theory and practice to research and insight the fertility alteration, fertility inheritance and physiological and biochemical characters of PTGMS lines.
因此，选育不育临界温度低、育性相对稳定的实用光温敏核不育系，探讨不育系育性转换规律、育性遗传规律及生理生化特性，在理论和实践上都具有重要意义。
The sterile lines can reach high sterility or complete sterility in Funan and Lijiang, they showed obvious fertility alteration, this two places can be used as selection area of sterile lines.
不育系在阜南和丽江早播高度不育甚至完全不育，有明显的育性转换期，可用于杂交制种。
Tbe change of fertility was a process of quantitative alteration to qualitative alteration.
结果表明：育性转换是一个量变到质变的过程。
Tbe change of fertility was a process of quantitative alteration to qualitative alteration.
结果表明：育性转换是一个量变到质变的过程。
应用推荐