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。
The sensitive phase of fertility alteration of D18 and D23 occurred from the second branch differentiation phase to pollen mother cell formation.
近年来对籼粳交F1和光温敏核不育系的花药培养成为研究热点，其花培后代因所用材料不同而不同。
Hybrid F1 from Indica crossed with Japoniac as well as Photoperiod and Temperature Sensitive Genic Male-Serile(PTGMS) rice lines were the hot materials used in anther culture in recent years.
对采用辐射诱变获得的带有叶色白转绿特性的水稻光温敏核不育系“W1”的遗传及其生物学特性进行了研究。
Inheritance and main agronomic traits of photo-thermo-sensitive genic male sterile line W1 with a greenable albino leaf was investigated.
对农垦58S，安农S-1，衡农S- 1等光温敏核不育系及衍生不育系的雄性不育性进行了遗传与育种学研究。
From 1986 to 1996, we have researched on the heredity and breeding in sterility of photoperiod (thermoperiod) sensitive genic male rice (PSGMR) of Nongken58S, Annong S 1 and so on.
1999年和2000年分期播栽试验，研究了温度对籼型温敏核不育系2301s自交不育度和花粉败育类型的影响。
The effects of temperature on the bagged self seed and the abortive pollen types of indica TGMS rice line 2301s were studied by sowing on different dates in 1999 and 2000.
“华两优106”是以早熟早籼型温敏核不育系“M103S”为母本，与早稻新品系“T1005”配组而成的两系法杂交早稻新组合。
"Hualiangyou 106" was bred by crossing between early-maturing early indica temperature-sensitive genetic male sterile line "M103S"(mother parent) and new early rice line "T1005".
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。
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。
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.
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