中熟晚籼优质高产杂交稻新组合扬籼优713的选育

Breeding of Yangxianyou 713,a New Medium-maturity Late Indica Hybrid Rice Combination with Good Quality and High Yield

为满足市场对中熟晚籼优质杂交稻组合的需求,江苏里下河地区农业科学研究所与广西智友生物科技股份有限公司用扬籼7A与扬恢713配组,育成中熟晚籼优质杂交稻组合扬籼优713。该组合于2017年、2018年参加广西桂中桂北稻作区晚稻中迟熟组区域试验,2 a平均产量7.85 t/hm^2,比对照天优华占增产4.29%。2018年分别参加广西桂中桂北稻作区的早稻及晚稻生产试验,以及桂南稻作区早稻生产试验,平均产量分别为8.07 t/hm^2、8.33 t/hm^2和8.34 t/hm^2,分别比对照天优华占增产3.40%、6.61%和4.01%。该组合稻米品质达农业农村部部颁三等米标准,于2019年6月通过广西品种审定委员会审定(桂审稻2019082号),可在桂北、桂中和桂南稻作区作早、晚稻种植。

Yangxianyou 713,a medium-maturity late indica hybrid rice combination with good quality,is successfully bred from Yangxian 7A and Yanghui 713 by Lixiahe Institute of Agricultural Sciences and Guangxi Zhiyou Biotechnology Co.,Ltd to meet the market demand for medium-maturity late indica hybrid rice combination with good quality.The two-year average yield of Yangxianyou 713 in regional test of medium-maturity late indica group in Central and Northern Guangxi in 2017 and 2018 is 7.85 t/hm^2,which increases by 4.29%compared with Tianyouhuazhan(CK).The average yield of Yangxianyou 713 in production test of early and late rice in Central and Northern Guangxi and early rice in Southern Guangxi is 8.07 t/hm^2,8.33 t/hm^2 and 8.34 t/hm^2 respectively,which is 3.40%,6.61%and 4.01%higher than CK respectively.The rice quality reaches the third-class rice standard issued by Ministry of Agriculture and Rural Affairs,and it was approved by Guangxi Variety Approval Committee(Guishendao 2019082).Yangxianyou 713 can be cultivated as early and late rice in Northern,Central and Southern Guangxi rice-growing areas.