优质早熟杂交晚稻新组合两优黄占的选育

Breeding of new Late-cropping Hybrid Rice Combination Liangyou Huangzhan with Fine Quality and early Maturity

两优黄占系江西翃壹农业科技有限公司用杨振玉先生选育的两用核不育系Y20S,与自主选育的恢复系黄占配组而成的籼型早熟两系优质杂交晚稻新组合。在江西省水稻区试中表现综合性状好、高产优质、熟期早等特点,2014年通过江西省农作物品种审定委员会审定。介绍了两优黄占的选育经过、主要特征特性及栽培与制种要点。

Liangyou Huangzhan,derived from Y20S, a TGMS line from YANG Zheng- yu, and a rice restorer line Huangzhan, is a New Late--cropping Hybrid Rice Combination with Fine Quality and early maturity developed by Jiangxi Hongyi Agricultural Industry Technology Co. Ltd. It is characteristic of high and stable yield, fine qualily and early maturity. It was registered and released to commercial production by the Jiangxi Provincial Crop Variety Ap praisal Committee in 2014.The breeding process, maior characteristics and key techniques for grain and seed produe tion of Liangyou Huangzhan were introduced in this paper.