鄂粳杂一号（N50885／R187）是湖北省农科院粮作所选配的两系杂交粳稻新组合。1992年引入云南试种，是国家863计划成果转化项目“两系法杂交稻中试开发”在云南的重要示范组合，5年来，在云南的保山、大理、怒江等9个地（州）20个县（市），海拔1400－1900m地区累计试种、示范2 One of Japonica Hybrid Rice (N50885 / R187) is a new two-line Japonica rice combination selected and matched by Hubei Academy of Agricultural Sciences. Introduced to Yunnan in 1992 for trial planting is an important model combination of pilot project of “Two-line Hybrid Rice Pilot Trial” in the transformation project of 863 National Program in Yunnan Province. In the past five years, nine prefectures (prefectures) in Yunnan such as Baoshan, Dali and Nujiang Counties (cities), an area of ​​1400-1900m altitude accumulative trial, demonstration 2