采用林业技术措施与化学防治相结合的防治方法，连续４年在齐齐哈尔市林业局对小黑杨叶锈病进行防治，取得了明显的防治效果。从中筛选出最佳防治组合为，株距８ｃｍ或１５ｃｍ，重打底叶或轻打底叶、２５％粉锈宁１０００×液进行喷雾。防治效果平均为３６．６４％，苗木减少损失率平均为８．６９％，苗木平均增长率为５１．３８％ Using the combination of forestry technical measures and chemical prevention and control methods for four consecutive years in Qiqihar City Forestry Bureau to prevent and cure small black leaf rust, and achieved significant control effect. Select the best combination of prevention and control as follows, the spacing of 8cm or 15cm, re-playing the bottom leaf or light hit the bottom leaf, 25% triadimefon 1000 × liquid spray. The average control effect was 36.64%, the average loss rate of seedlings decreased by 8.69%, the average growth rate of seedlings was 51.38%