两系杂交粳稻鄂粳杂3号的选育与应用

Breeding and Application of Two-line Japonica Hybrid Rice E-jing-za No.3

鄂粳杂3号系以粳型光敏感核不育系N5088S为母本,粳型恢复系闵恢128为父本组配而成的两系杂交粳稻新组合,2004年3月通过湖北省农作物品种审定委员会审定。该组合穗大粒多,穗型半直立,适合于湖北省稻瘟病无病区或轻病区作晚稻种植。介绍了鄂粳杂3号的选育经过、产量表现及主要特征特性。提出了稀播壮秧、适时早插,重施底肥、酌施穗肥,科学管水、适度轻晒等关键栽培技术。

New japonica two-line hybrid rice E-jing-za No.3 was derived from a male line Minhui 128 and a PGMS line N5088S.It was registered in Hubei Province in March 2004. It showed characterics of large ear and more grains, half-erect ear and suited for the regions with no or slightly attack of rice blast in Hubei Province as late-season rice. In this paper, the breeding process, yield performance and other characters of E-jing-za No.3 was introduced, the key cultivation techniques for E-jing-za No.3 was also recommended.