青杨叶锈病的综合防治技术  

The Control Techniques of Poplar Leaves Rust Disease

作　　者：孟繁荣[1] 倪乃华[1] 李茹秀[1] 高丛政 白纯杰 张忠鑫 阮继涟 

机构地区：[1]东北林业大学 [2]黑龙江省齐齐哈尔市林业局 [3]黑龙江省苇河林业局

出　　处：《东北林业大学学报》1997年第1期53-55,共3页Journal of Northeast Forestry University

摘　　要：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％In resent four years, the leaves rust disease of Populus simonii × P . nigra seedlings in the area of Qiqihar Forestry Bureau has been effectively prevented and controlled by the combination of biological measures and chemical control method. The best combinationof control measures is arranging seedling's spacing in 8 cm or 15 cm, cutting the lower leaves heavily or lightly, and spraying 25% triadimefon 1000 times. The average control effects was 36.64%. Loss rate of seedling was decreased by an average of 8.69%. The average increment rate of seedlings was 51.38%.

关 键 词：青杨 叶锈病 综合防治 

分 类 号：S763.721.1[农业科学—森林保护学]