【摘要】 分析了1995~2005年郑州农业气象试验站冬小麦叶、鞘、茎、穗不同生育期的干物质比率和增长分配规律:冬前干物质增长分配率,叶、鞘增长分配率呈波浪状变化;茎呈弧线状变化;穗呈线性增长。更多还原

【Abstract】 Basing on the leaf,sheathe,stem and spike in different periods of winter wheat observational data during 1974~2003 of Zhengzhou agrometeorological station,the dry matter ratio and increase allocation ratio are studied in the paper.The results indicate that dry matter increase allocation ratios of leaf and sheathe present fluctuations,and stem curve,and spike line.更多还原