Contents of osmotic adjustment substances and protective enzyme activity in Arachis L seedlings under low temperature condition were studied.The results showed that the contents of proline and soluble sugar in leaves increased with the extension of treatment time,with the group of 10℃ the most obvious.The contents of soluble protein in leaves and soluble sugar in cotyledon increased first and then decreased.Activities of SOD and CAT were obviously higher than those of the control.POD activity decreased at f...