中国稻米2024，Vol.30Issue(4)：24-32,9.DOI:10.3969/j.issn.1006-8082.2024.04.005
水稻不育系泰丰A创制及其优良品质性状遗传基础研究
Creation of Male Sterile Line Taifeng A and Genetic Basis Study of Its Excellent Quality Traits in Rice
摘要
Abstract
This study aimed to solve the bottleneck issue of high yield but poor quality in hybrid rice.The complex hybridization was conducted by utilizing the high-combining ability and high-outcrossing rate maintainer line Bo B,the high-quality Simiao rice variety Mi 31 from South China,and the high-quality,disease-resistant early rice variety Zhe 9248 from the lower reaches of the Yangtze River.The methods of shuttle planting to increase the ecological pressure for phenotypic identification and indoor analysis for quality assessment were employed.A high-quality cytoplasmic male sterile line and its corresponding maintainer line,Taifeng A/B,with slender grain shape,high head rice recovery,low chalkiness,and good taste,have been bred.By the end of 2023,92 hybrid rice varieties,including Taifengyou 208,Taiyou 1002,Taiyou 390,and Taiyou 398,have been bred using Taifeng A,of which 80.4%meet the national(ministerial)high-quality standard of Grade 3 or above.Among them,18 varieties/times have won gold and silver awards in national or provincial high-quality rice taste evaluations,and 2 varieties have been recognized as super rice.This has effectively solved the problem of"high yield but poor quality"in hybrid rice.In addition,we have analyzed the genetic characteristics controlling the important quality traits of Taifeng A/B and found that the GS3,GW5TFB,WxTFB,and GW7TFB genes located on chromosomes 3,5,6,and 7,respectively,or the chromosomal segments where they are located,are the critical genetic basis for the excellent quality of Taifeng A/B.关键词
杂交稻/不育系/保持系/泰丰A/B/稻米品质/遗传基础Key words
hybrid rice/male sterile line/maintainer line/Taifeng A/B/grain quality/genetic basis分类
农业科技引用本文复制引用
王丰,孔乐,柳武革,刘迪林,朱满山,廖亦龙,李金华,付崇允,曾学勤,马晓智,霍兴..水稻不育系泰丰A创制及其优良品质性状遗传基础研究[J].中国稻米,2024,30(4):24-32,9.基金项目
广州市重点研发计划项目(2024B03J1320) （2024B03J1320）
国家现代农业产业技术体系建设专项资金(CARS-01) （CARS-01）
广东省级乡村振兴战略专项资金种业振兴项目(2022NPY00005) （2022NPY00005）
广东省农业科学院国家级科技成果奖励培育专项 （）
