1, Gummosis disease is one of the major diseases occurred on peach tree.

2, 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.

3, Brushing have not gummosis phenomenon, the product has a good decorative role.

4, Gummosis is one of the main diseases in peach production.

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