优质长粒香型杂交粳稻长粳优582的选育及应用

Breeding and application of japonica hybrid rice Changjingyou 582 with long grain and fragrance

长粳优582是以长粳1A为母本,香型长粒粳恢复系香恢582为父本配组,选育而成的香型优质长粒杂交粳稻(Oryza sativa L.subsp.japonica)新品种。该品种具有品质优、食味佳、丰产性好、抗倒抗病性强、综合性状优良等特点,2020年9月通过了湖北省农作物品种审定委员会审定。总结了该品种的选育过程、特征特性、产量、栽培和制种等技术。

Changjingyou 582,a new hybrid japonica rice(Oryza sativa L.subsp.japonica)variety with tragrance,high quality and long grain,is bred from Changjing 1A as the female parent and restorer line Xianghui 582 as the male parent.The variety has the char⁃acteristics of good quality,good taste,high yield,strong lodging resistance and disease resistance,and excellent comprehensive char⁃acteristics.It was approved by Hubei Crop Variety Approval Committee in September 2020.The breeding process and characteristics of the variety were summarized.The technical points of yield,cultivation and seed production were introduced.