Measures to prevent and control organisms that are harmful to agriculture, storage, buildings and human health by using the ecological phenomena and some biological characteristics of interdependence and mutual restriction among various organisms in the ecosystem. Biological control can be roughly divided into three categories: insect control, bird control and fungal control.
The contents include:
(1) is controlled by microorganisms. Commonly used are fungi, bacteria, viruses and bacteria that can secrete antibiotics against biomass, such as Beauveria bassiana for controlling Dendrolimus punctatus (fungi), various Bacillus thuringiensis preparations for controlling various forest pests (bacteria), and virus crude extracts for controlling cypress, Dendrolimus punctatus and Paulownia moth. (virus), 5406 to control seedling blight (actinomycetes), microsporidia to control gypsy moth and other larvae (primary).
(2) Using parasitic natural enemies for control. There are mainly parasitic wasps and parasitic wasps, the most common ones are Trichogramma and parasitic wasps for controlling pests such as Dendrolimus punctatus, swollen-legged wasps for controlling longicorn beetles, and flower-horned aphids for controlling Hemiberlesia pitysophila.