通过对我国近年育成的超高产水稻品种的研究结果表明 ,超高产水稻品种的产量水平 ,在福建龙海早、晚季栽培 ,16个品种平均产量分别为 90 92 kg· hm-2 和 952 4 kg·hm-2 ,比汕优63( CK)分别增产 5.7%和 6.3% ;在云南涛源栽培 ,16个品种平均产量为 15779kg· hm-2 ,比汕优 63增产 3.0 %。超高产水稻的产量构成特征是在适应当地生态条件的足穗基础上培育更大的穗子 ,具有较多的单位面积总颖花数和显著较大的库容量 ,而穗上有较多的一、二次枝梗数是成大穗的主要原因 The results of the research on super high-yielding rice varieties bred in China in recent years show that the yield of super-high-yielding rice varieties is 90 92 kg · hm-2 and 952 4 kg · hm-2, increased by 5.7% and 6.3% respectively than that of Shanyou 63 (CK). The average yield of 16 cultivars was 15779kg · hm-2 and 3.0% higher than that of Shanyou 63. The yield components of super-high-yielding rice are characterized by the cultivation of larger ears on the basis of subspecies adapting to local ecological conditions, more total spikelets per unit area and significantly larger storage capacity, and more , The number of secondary branches is the main cause of large ears