The results showed that the content of soluble sugars in seedlings of six Toona sinensis provenances under drought stress was higher than that of the control respectively.

• 结果表明：干旱胁迫下6个种源香椿的可溶性糖含量均高于对照，同一种源不同时期香椿苗木可溶性糖的变化趋势基本一致，只是不同时期的变化幅度因种源不同而不同。