高产杂交籼稻新组合协优332的选育与应用

Breeding of High-yielding Indica Hybrid Rice Xieyou 332 and Its Application

协优 3 3 2是利用协青早A为母本 ,与自育的新恢复系扬恢 3 3 2配组育成的高产优质迟熟中籼杂交稻新组合 ,2 0 0 3年 1月通过江苏省品种审定。介绍了协优 3 3 2的选育过程、主要特征特性、栽培技术和制种技术要点。

Xieyou 332 (Xieqingzao A/Yanghui 332) is a newly-developed high-yielding, fine quality and medium-maturing indica hybrid rice combination. It was registered and released to commercial production in Jiangsu Province in January, 2003. Its breeding procedure, main characteristics, key cultural practices and hybrid seed production techniques were introduced in this paper.