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滇杂３１是云南农业大学稻作所用育性稳定的滇一型不育系组配育成的拥有自主知识产权的优质抗病高产滇型杂交粳稻新组合。２０００～２００１连续两年参加省粳型杂交稻区域试验 ,综合平均产量名列第一。２００２年７月通过云南省品种审定委员会审定。１主要特征特性１．１米质
Yunnan Dianza 31 is a new combination of high quality, disease-resistant and high-yielding Dian-type japonica hybrid rice with Yunnan-based rice cultivars with stable fertility and Yunnan-type CMS lines. 2000-2001 for two consecutive years to participate in regional trials of japonica hybrid rice, the average output ranked first. July 2002 through the Yunnan Provincial Commission for approval validation. 1 The main features 1.1 quality