Tobacco matrix composite biopesticide and preparation method thereof

Abstract

The invention provides a tobacco matrix composite biopesticide and a preparation method thereof. The composite biopesticide which comprises at least a tobacco botanical insecticidal component and at least a microbial insecticidal component is prepared through fermenting insecticidal microbes with selecting a tobacco waste as a raw material. The preparation method comprises the following operationsteps: preparation of a medium, amplification culturing of spawns, fermentation of the biopesticide, and extraction. A fermentation technology can adopt liquid state fermentation or solid state fermentation. The tobacco matrix composite biopesticide of the invention which not only contains the insecticidal microbes and metabolites thereof, but also contains tobacco insecticidal components (nicotine and the like for example) has dual insecticidal effects. The method of the invention which allows resources of the tobacco waste which is not reasonably utilized at present to be fully utilized allows grain resources to be saved, and good economic benefits, ecological benefits and social benefits to be generated.

Description

Technical field

[0001] The invention relates to the technical field of production of biological insecticides, in particular to a method for producing biological insecticides by using biomass waste. In more detail, it relates to a tobacco matrix composite biological insecticide and a manufacturing method thereof. Background technique

[0002] Biological pesticides have a wide range of raw materials for production, are safe to non-target organisms, have low toxic and side effects, and are compatible with the environment. They have become a new trend in the development of the global pesticide industry. Therefore, the development of the biopesticide industry is very important for ensuring the sustainable development of agriculture, protecting people's lives and health, and protecting the ecological environment.

[0003] At present, biological pesticides are mainly produced by fermentation of agricultural and sideline products. The main raw materials are soybean meal, peanut meal, fish...