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水稻籼型不育系安农_(s-1)经自然和人工光温处理结果表明,它的雄性不育基因表达条件要求高温(敏感期日均温大于27℃)而不是日长,但日长在育性转换中有一定的作用。当敏感期日均温低于24℃时,该不育系的育性将由不育转向可育。在湖南的自然条件下,稳定不育期可达30天,湘南地区稍长于湘北。安农_(s-1)的不育性从7月15日至8月15日比较稳定,宜于杂交制种。
The result of natural and artificial light temperature treatment showed that the male sterile gene of rice indica CMS line Yannong (s-1) requires high temperature (the average daily temperature is more than 27 ℃ in sensitive period) Long in fertility conversion has a role. When the average daily temperature of the sensitive period is lower than 24 ℃, the fertility of the CMS will turn from sterility to fertility. Under the natural conditions in Hunan, stable sterile period of up to 30 days, slightly longer than the southern Hunan Province in northern Hunan. The sterility of Annong _ (s-1) is relatively stable from July 15 to August 15, and is suitable for hybrid seed production.