Quanxin S is an indica photo-thermo-sensitive genic male sterile(PTGMS)line in rice developed by crossing Xin'an S as female parent with excellent restorer line YR0822 with good combining ability.It has the characteristics of low critical sterility-inducing temperature,high outcrossing rate,moderate blast resistance and good grain quality.It was technically identified by Anhui Provincial Crop Variety Appraisal Committee in 2021.Xinliangyou Xiang 66,a two-line indica hybrid rice combination derived from Quanxin S and restorer line Quanhui 15,has the advantages of moderate blast resistance and grain quality up to grade 1 of ministerial standard,and it was approved by the National Crop Variety Appraisal Committee in 2023.
关键词
杂交水稻/光温敏核不育系/荃新S/稻瘟病抗性/优质/选育
Key words
hybrid rice/photo-thermo-sensitive genic male sterile line/Quanxin S/blast resistance/good grain quality/breeding