烟草害虫天敌及其自然控制作用

Natural enemies of tobacco pests and their roles in natural control.

介绍了云南省烟草主要害虫天敌资源和天敌昆虫的自然控制作用。在云南省烟田内 ,控制烟草害虫发生的生物因子大致可归纳为寄生性和捕食性两大类。充分发挥自然因素的生态调控作用 ,对保护利用天敌、维护烟田生态平衡、提高害虫综合治理效果。

The main natural enemies of the pests on tobacco of Yunnan and their role on natural control of the pests were reviewed. In tobacco fields of Yunnan Province, the biological control factors were divided into two groups: parasites and predators. The resluts showed that the use of natural regulative factors on pests was of great importance to the conservation of natural enemies and the maintenance of ecological equilibrium in tobacco fields.