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1989年从安徽、湖北和福建等省引进若干光(温)敏核不育水稻进行育性试验,初步观察到粳型光敏核不育系La7001s的不育性表现稳定、育性变化不同步。1990年进一步对La7001s进行育性试验,再次证实其育性变化不同步现象存在。本试验也为La7001s在杭州地区的应用提供科学依据。材料与方法
In 1989, some light (temperature) sensitive genic male sterile rice were introduced from Anhui, Hubei and Fujian provinces for fertility test. It was initially observed that the sterility of the japonica photoperiod-sensitive male sterile line La7001s was stable and the fertility changed unsynchronously. In 1990 further La7001s fertility test again confirmed that fertility changes do not exist asynchronously. This experiment also provides a scientific basis for the application of La7001s in Hangzhou area. Materials and Methods