优质抗病杂交晚稻新品种启源优528的选育与应用

Breeding and Application of a New Combination of High-quality Disease-resistant Hybrid Late Rice Qiyuanyou 528

启源优528是泉州市农业科学研究所以福建省农业科学院水稻研究所选育的抗稻瘟病三系不育系启源A为母本,本所选育的优质恢复系泉恢528为父本配组而成的杂交晚稻新品种,具有株高适中、米质优、抗稻瘟病、适应性强等特点,2023年通过福建省农作物品种审定委员会审定。介绍了启源优528的选育经过、品种特性、栽培及制种技术要点。

A new combination of hybrid late rice Qiyuanyou 528 was bred from the cross between the rice blast resistant of three-line sterile line Qiyuan A and the high-quality restorer line Quanhui 528 by Quanzhou Institute of Agricultural Sciences and the Rice Research Institute of Fujian Academy of Agricultural Sciences.The combination had the characteristics of moderate plant height,excellent rice quality,resistance to rice blast,and strong adaptability.It was approved by the Fujian Provincial Crop Variety Examination and Approval Committee in 2023.The breeding process,variety characteristics,cultivation and seed production techniques of Qiyuanyou 528 were introduced.