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自20世纪80年代,两系杂交水稻种子实行商业化推广以来,因其不育系在育性敏感期易受低温危害发生育性转换,严重影响种子的质量,所以,两系杂交
Since the 1980s, two-line hybrid rice seeds have been commercialized and popularized because their sterile lines are susceptible to low temperature damage during the fertility sensitive period and seriously affect the quality of the seeds. Therefore, two-line hybridization