With different chemical treatments, POD and PPOD enzymatic activity of peach leaf had some relativity with peach tree gummosis disease.

不同药剂处理后,桃树叶中过氧化物酶(POD)、多酚氧化酶(PPOD)与桃树胶的存在一定的相关性。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非原性害包括红、胶、除草剂药害、风害及遗传性白化症等，以及因不明之尾叶桉皱叶亦在文内叙述之。