Breeding and Application of High-quality Indica CMS Line Quantai A in Rice
Quantai A is an indica cytoplasmic male sterile line developed by Anhui Win-all Hi-tech Seed Co.,Ltd.,using Quan 9311A as the female parent to cross with the superior plants selected from the population of(Quan 931 1B/Quanxiang 9B)F5 and followed by successive backcrosses.The sterile line has the characteristics of high outcrossing rate,early maturity,good grain quality and strong resistance.In 2019,it passed the technical identification organized by Anhui Crop Variety Appraisal Committee.Several hybrid rice combinations derived from the sterile line,such as Quantaiyou 836,Quantaiyou 851,Quantaiyou 532 and Quantaiyou Basixiangzhan,have been developed and approved for commercial production.
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