水势

Among the five antitranspirants, antitranspirant F1 had the least inhibition effect while antitranspirant F5 had the greatest inhibition effect on the decrease of leaf water potential.

F1处理对两种苗木叶势下降抑制作用最小，F5处理对两种幼苗叶势的下降抑制作用最大。

A large amount of research results showed that plants show isohydric behavior when the plant hydraulic and chemical signals cooperate to promote the stomatal regulation of leaf water potential.

当力号号共同作用促进气孔对叶势的调节时，对叶势的调节表现为等行为。