特征特性弱感光型两系杂交稻组合。晚造平均全生育期114~115天,比对照种博Ⅲ优273短2天,与对照种广8优169相当。株型中集,分蘖力、抗倒力中等,耐寒性中。科高108.0~110.6厘米,亩有效穗18.4~18.7万,穗长20.8~21.2厘米,每穗总粒数131~132粒,结实率84.9%~87.6%,千粒重24.7~25.5克。米质鉴定未达优质等级,整精米率62.5%~63.9%,垩白粒率9%~10%,垩白度0.9%~1.8%,直链淀粉13.1%~14.4%,胶稠度78~82毫米,长宽比3.1~3.2,食味品质分81~82。抗稻瘟病,全群抗性频率84.85%~88.57%,对中B群、中C...