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1品种来源及选育经过玉米新品种恒玉398是吉林省柳河县吉星育种试验站和恒昌农业开发有限公司共同研发。是以自选系M198为母本,以自选系M197为父本杂交选育而成。2009年参加吉林省玉米中晚熟组预备试验,2010～2011年参加吉林省玉米中晚熟组区域试验和生产试验。该品种抗性好,适应性强,增产潜力大,2012年通过吉林省农作物品种审定委员会审定。
A variety of sources and breeding After a new variety of corn Hengyu 398 is Jilin Province Liuhe Ji Xing breeding trial station and Hengchang Agricultural Development Co., Ltd. jointly developed. M198 is selected as the female parent line to M197 as the male parent selected from cross breeding. In 2009 to participate in Jilin Province late maturing group of corn preparation test, from 2010 to 2011 to participate in Jilin Province, late maturing group of maize regional test and production test. The varieties of good resistance, adaptability, yield potential, in 2012 through the Jilin Provincial Crop Variety Approval Committee validation.