优质高产两系杂交中籼新组合皖稻119的选育与应用

Breeding and Application of New Two-line Medium Indica Hybrid Rice Wandao 119 with Fine Quality and High Yield

皖稻119(原名两优6326)是宣城市农科所用自育的优质光温敏核不育系宣69S与优质中籼新品系wh26配组育成的杂交中籼新组合。该组合具有生育期适中、米质优、产量高、中抗白叶枯病等特点,2004年3月通过安徽省农作物品种审定。介绍了其选育过程、主要特征特性及栽培制种技术要点。

Wandao 119（Liangyou 6326）,developed by the Agricultural Researvh Institute of Xuancheng, Anhui, is a new indica two-line hybrid rice combination derived from the cross of Xuan 69S, a PTGMS line with fine quality, and Wh26, a newly-developed medium indica rice line with good plant type , japonica genetic background and fine quality. It has the characteristics of suitable maturity, fine grain quality, high yield and medium resistance to bacterial leaf blight. It was registered and released to commercial production in Anhui Province in March, 2004. The breeding procedures of the hybrid and its parents, the characteristics and major cultivation and seed production techniques of the hybrid were introduced in this paper.