鹅掌楸褐斑病的发生与防治技术研究

study on the occurence and control of Brown-spot Disease of Liriodendron chinense

摘要:

对鹅掌楸褐斑病的发生发展规律以及防治方法开展了较详细地研究 。主要采用实地调查的研究方法,并在此基 础上运用了 归纳和推理等方法 。研究结论是病原菌在一年之内有多次侵染,在 4月初对鹅掌楸新叶用 1%波尔多液喷雾能 取得明显的防治效果。

Abstract:

The occurrence dynamics and control of brown-spot disease of Liriodendron chinense in this paper . The main method is an investigation on the scene and the methods of induction and inference . The conclusion is that the pathogen can reinfect more than once in one year and spraying the new leaves with 1% bordeaux mixture in early April can control this disease effectively.