两系杂交粳稻新品种粳两优5519的选育与应用

摘要

Jingliangyou 5519, developed by the institute of food crop research, Hubei academy of agricultural sciences, was a new variety of two-line hybrid japonica bred by japonica PGMS line N55S and R19. The variety had high yield, strong resistance , good quality of rice, and was suitable for planting at Yunnan japonica planting area lower than 1 700 m. Mingguang seed Co., Ltd. introduced the variety in 2007 and applied for regional testing in Yunnan province. It was registered and released to commercial production by Yunnan provincial crop variety appraisal committee in 2010.%粳两优5519是湖北省农业科学院粮食作物研究所用粳型光敏核不育系N55S与R19配组育成的两系杂交粳稻新品种,其具有产量高,抗病性强,稻米品质好的特点.云南省保山市明光种业有限公司2007年引进试种并申报云南省区域试验,2010年通过云南省品种审定,适宜云南1700m以下区域作粳稻种植.