世博园外围林区的植物病虫鼠害及防治对策

Pests, Disease and Rat Damage of Forests surrounding Kunming Horticultural Exposition Garden and Its Control Strategies

通过 1997年 10～ 12月、 1998年 3～ 4月及 1999年 1月的 3次调查 ,共设调查线路 18条 ,调查点及标准地 5 6个。查清了面积为 346 4 5 7hm2 的世博园外围林区主要森林植物病虫鼠的种类、发生面积及危害程度。记录外围林区病虫鼠标本 14 3种 ,其中害虫 71种 ,病害 36种 ,天敌 2 7种 ,鼠类 9种。调查中发现国家级检疫对象 2种 ,省级检疫对象 5种。并针对主要病虫鼠的危害情况 。

The pest, disease and rat damaged the forests of 3 464 57 hm 2 surrounding Kunming the Horticultural Exposition Garden of Kunming were surveyed according to the 18 routes and 56 sample plots designed in advance for three times respectively in October to December of 1997, March to April of 1998 and January of 1999. Totally the specimens of 143 kinds of disease, pest and rat were recorded, among which, 71 were pests, 36 were diseases, 27 were natural enemies, and 9 were rats. Two kinds of national quarantine objects and 5 kinds of provincial quarantine objects were checked out. The corresponding control strategies were put forward aiming to the damage of the main disease, pest and rat.