EGTA inhibits the growth of the seed root and the formation and growth of the root hair.Exogenous CaCl2 can eliminate the inhibition of EGTA.

• Ca2+专一性螯合剂EGTA抑制种根生长和根毛的发生及生长，添加一定浓度的外源CaCl2，这种抑制作用可被消除。