Antibacterial ointment for treating apple tree canker as well as preparation method and application thereof

The invention discloses an antibacterial ointment for treating apple tree canker, which comprises the following components in percentage by mass: 70-80% of streptomyces ZH-356 fermentation liquor and 20-30% of auxiliary material matrix, and the sum of the mass percentages of the components is 100%. The fungicide prepared from the streptomyces ZH-356 has a remarkable effect on biological prevention and control of fungal diseases of plants, solves the problems that the apple tree canker prevention and control effect is poor and ecological balance and food safety are affected by an existing traditional chemical pesticide way, and has a wide industrial and agricultural application range and a wide market prospect. 本发明公开了治疗苹果树腐烂病的抗菌药膏，按照质量百分比包括以下组分：链霉菌ZH-356发酵液70％～80％，辅料基质20％～30％，以上组分质量百分比之和为100％。本发明由链霉菌ZH-356制成的菌剂在植物真菌病害的生物防治方面作用显著，解决了现有传统化学农药的途径防治苹果树腐烂病效果差，影响生态平衡和食品安全的问题，具有广阔的工农业应用范围和市场前景。