Effects of treatment at different times with 50% ADOR on superoxide generation, SOD, ECPOX and CA-ECPOX activities in intact seedling roots.

Mean±SD values (N = 5) followed by the same letter (a,b) are not significantly different according to Mann-Whitney U test (P≤0.05), between control and treatments.

在对照组与处理组的比较中，样本量为5的平均值±标准差（Mean±SD）数据，若两组数据附带的字母标注相同（a、b），则依据曼-惠特尼U检验（Mann-Whitney U test），二者不存在显著性差异（P≤0.05）。