It was postulated that PAL activity or POD activity and the increased number of isoperoxidase after the infection of F. graminearum could be used as indicators of resistance of corn to stalk rot.

• PAL活性变化、POD活性变化及同工酶谱酶活变化与其对茎腐病的抗性有密切的关系，可作为抗病育种的生理生化指标。