The results showed that PAL was an important enzyme for soybean induced resistance.After inoculation with PRR, PAL activity of resistant cultivars increased, thus induced plant resistance to PRR.

• 研究结果证实，苯丙氨酸酶是诱导大豆产生全株抗性的重要酶，在接种疫霉病菌后，抗病品种苯丙氨酸酶活性迅速增强，诱导植株产生抗性。