两系中籼华安3号示范表现及问题探讨

The Demanstration of Two-line Hybird Rice Combination--Huaan No.3

通过 2a的示范应用 ,无论是低肥力田块还是中等肥力田块 ,华安 3号均表现高产、稳产 ,比汕优 6 3增产 2 0 .0 %～45 .7% ,比协优 6 3增产 30 %以上。着重分析了示范中华安 3号存在的问题以及解决这些问题的方法 。

The Two-line hybrid rice combination--Huaan No.3 showed the character of high and stable yield in the field with both high and middle fertility in two years demonstration.Its yield increased 20.0 ～45.7% and 30% more than that of Shanyou No.63 and Xieyou No.63.The problems and the method of solwing the problems was present in the paper for its application in large scale.