The results were as following:(1) Water stress can lessen stem length, stem diameter, burl length, the blooming of branches and leaves of Cajanus cajan.

• 水分胁迫不利于木豆植株主茎长度、主茎直径、节间长度、分枝数目以及叶数的增加; 水分胁迫也减弱了木豆植株的总生物量和各构件生物量的积累。