The full heading time and opportune sowing date of Liangyoupeijiu as a late-season rice were studied as compared with Xieyou 9308 and Shanyou 63 in southern Zhejiang Province.

• 摘要以协优9308和汕优63为对照，研究两优培九在浙南作连作晚稻栽培的安全齐穗期和适宜播种期。