Breeding and Application of High-quality Indica CMS Line Xingtai A in Rice
Xingtai A is a high-quality indica CMS line developed by Hunan Dongting High-tech Seed Industry Co.,Ltd.and Yueyang Academy of Agricultural Sciences.It was bred by crossing the F3 of Yue 4B/Guangzhan 63S as the female parent and Xin B as the male parent,and backcrossing for multiple generations after test crossing with Xin A in the F9 generation.It has the characteristics of stable male sterility,strong combining ability,good grain quality,easy multiplication,and short growth period of its derived hybrid combinations.The hybrid combination Xingtaiyou 018 derived from Xingtai A and R0 18 was approved by the National Crop Variety Appraisal Committee in 2022.
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