The activity of ascorbic acid peroxidase (APX) showed no remarkable change in the initial infection stage, but increased during later stage of infection.
抗坏血酸过氧化物酶(APX)的活性在感染的初期变化不明显，而在感染的后期活性有所增加。
But there was no any change on the expression of hydrogen peroxidase and malic dehydrogenase isozyme for resistent cultivars, just the hydrogen peroxidase isozyme activity was higher.
而抗病品种的过氧化物酶及苹果酸脱氢酶同工酶的表达则没有改变，只是过氧化物酶同工酶的活性有所增强。
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