Breeding and Application of High-quality Indica PTGMS Line Quanxin S in Rice
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.
hybrid ricephoto-thermo-sensitive genic male sterile lineQuanxin Sblast resistancegood grain qualitybreeding
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