例如苯丙氨酸解氨酶（PAL）、过氧化物酶（POD）、多酚氧化酶（PPO），这些酶和植物的抗病性是密切相关的。
Such as PAL, POD , SOD and PPO , which are strongly associated with the plant disease resistance.
与抗病性相关酶类的活性，如苯丙氨酸解氨酶（PAL）、多酚氧化酶（PPO）活性均高于对照。
The activity of resistance-related enzymes, such as phenylalanine ammonia-lyase (PAL), polyphenol oxidase (PPO) and peroxidase (POD) were higher than that of control.
结果表明，喷施水杨酸抑制了过氧化物酶（POD）、多酚氧化酶（PPO）、苯丙氨酸解氨酶（PAL）活性，降低了石细胞的大小、密度和含量。
The results showed that POD, PPO and PAL activities were inhibited and the stone cell density , diameter and contents were decreased in the treatment of SA spraying;
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