The dry matter weight of single stem, shoot in full heeding stage and spikes in mature stage of Songjing No.9 were significant higher than thoes of the other two check varieties.

• 摘要松粳9号齐穗期单茎干重、齐穗期地上部干物重、成熟期稻穗干物重均极显著高于两个对照品种。