将恢复系科恢752的空间诱变后代与恢复系R225杂交选育出强恢复系跃丰666，并与不育系五丰A配组而育成五优航666，该组合丰产性好、抗性强、米质优、适应性广。此外，还介绍了五优航666的选育过程、主要特征特性、栽培技术和制种要点。%Wuyouhang 666 is bred by crossing between sterile line“Wufeng A” and restoring line“Yuefeng 666”.The latter is developed by crossing between SP752 and R225.Wuyouhang 666 has the characteristics of high yield, strong resistance, good grain quality and wide adaptability.The breeding process, main characteristics, cultivation technique and seed-production key points of Wuyouhang 666 are introduced in this paper.
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