According to the correlation analysis, the dry mater weight of single stem in mature stage, dry mater weight of shoot in full heading time and dry matter weight of spikes in mature stage were very significant positive correlated to yield.

• 通过相关分析，成熟期单茎干物重、齐穗期和成熟期地上部干物重、成熟期稻穗干物重与产量呈极显著正相关。