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热粳1A是重庆市农业科学院、重庆市水稻工程中心和重庆中一种业有限公司选育的野败型粳型不育系,具有育性稳定、耐高温、开花习性好、配合力强、稻瘟病抗性较好等特点,于2012年8月通过重庆市技术鉴定。用该不育系配组的杂交粳稻组合热粳优35产量高,抗病性较好,米质较优,在高温伏旱区结实率高,于2014年2月通过重庆市农作物品种审定委员会审定。
Hot Japonica 1A is a wild type japonica type sterile line bred by Chongqing Academy of Agricultural Sciences, Chongqing Rice Engineering Center and Chongqing Zhongyi Industry Co., Ltd. It has the characteristics of stable fertility, high temperature tolerance, good flowering habits, strong combining ability, Rice blast resistance is good and so on, in August 2012 through the city of Chongqing technical appraisal. The japonica hybrid rice combination Japonica Youyou 35 with high yield and good disease resistance, better quality of rice and high seed setting rate in high temperature and VAD region, was approved by Chongqing Crop Variety Approval Committee in February 2014 .