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杂交水稻三系选育中,恢复系是提高杂交水稻抗性和杂种优势的一个重要方面,也是多年来杂交稻发展的主要方向。多用恢复系蜀恢162的育成及推广应用,基本能满足杂交稻不断深入发展的需要,该恢复系同多个不同类型的三系、两用核不育系测交,能组配出不同熟期的组合;同恢复系测64、明恢63相比,蜀恢162不仅恢复力较强,且在米质和抗性上也有较大改进,所配的D优162、Ⅱ优162分别于1996年和1997年通过四川省品审会审定,已示范种植20.0多万公顷。
The three lines of hybrid rice breeding, restorer line is to improve the resistance and heterosis of hybrid rice is an important aspect, but also the main direction for the development of hybrid rice over the years. The multipurpose restorer ShuHuang 162 was bred and popularized and applied to meet the need of continuous deepening of hybrid rice. The restorer line was tested with several different types of three-line and dual-purpose nuclear sterile lines, Compared with Restoration Line 64 and Minghui 63, Shuhui 162 not only has stronger restoring ability, but also has great improvement on rice quality and resistance. The results showed that D 162 and Ⅱ You 162, In 1996 and 1997 through the Sichuan Provincial Commission for review and approval, demonstration has been planting more than 200,000 hectares.