The leaf age was not significantly positive correlation with leaf ratio of dry to fresh weight.

相关分析表明，叶龄与叶片干鲜比值之间呈不显著正相关。

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Sun-shading can promote the growths of leaf age and tiller, and the leaf-area. The negative impacts on length of fibre cell, coefficient of flexibility, ratio of length and diameter.

遮阳处理能促进叶龄、分蘖的增长，但不利于叶面积的增长，对纤维细胞的长度、柔性系数、长宽比等也产生不良影响。

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