In the 2-6 day, the content of protein, and the activity of GSH, SOD and CAT in Chinese cabbage were higher than the control, but the content of GPX and GST were relatively lower. At the 7th day, all parameters revived to the level of control sample.

• 结果表明,喷药后第1天各种物质含量相对与对照变化不大,第2~6天小白菜中蛋白质、GSH、SOD、CAT都高于对照,而GPX、GST的含量低于对照,第7天都又还原到与对照接近。