Biological control has been used in many parts of the world.

生物防治曾经在世界许多地方使用。

Research progress of the biological control for lymantria dispar l.

舞毒蛾生物防治研究进展。

The problems of biological control in the tea ecosystem is discussed.

讨论了茶园生物防治有待于进一步探讨的问题。

Fungal pathogens are important natural biological control agents of aphids.

病原真菌是蚜虫的重要自然控制因子。

This chapter is spent on three classic case of successful biological control.

本章着重于生物防治的三个成功的经典例子。