The changes of the peroxidase and catalase activities in peanut before and after invaded by Asperfillus flavus were analyzed.The results indicated that the POD activity of the two peanut varieties were obviously raised in 8 hours of inoculation and showed apparent peaks,and then the POD activity gradually decreased and tended to be stable after 24 hours of inoculation.The POD activity was different between the two peanut varieties.There was a significant negative correlation between the CAT activity and the...