Matrine and ginkgolic acid botanical insecticide and preparation method thereof

The invention discloses a matrine and ginkgolic acid botanical insecticide and a preparation method thereof, and belongs to the technical field of biopesticides. The botanical insecticide is prepared from the following raw materials in parts by weight: 10-15 parts of a radix sophorae flavescentis extract, 1-5 parts of a ginkgolic acid extract, 0.5-1.5 parts of a dispersing agent, 1-3 parts of a wetting agent, 0.5-2 parts of a stabilizer and 0.5-1 part of an antioxidant. The pure botanical insecticide disclosed by the invention adopts the pure botanical components matrine and ginkgolic acid as main functional components, can realize effective prevention and control of agricultural pests, the raw materials are green, natural and pollution-free, the use of high-toxicity chemical pesticides can be greatly reduced, pesticide residues are reduced, environmental pollution is reduced, and the economic benefit and social benefit are remarkable. 本发明公开一种苦参碱和银杏酚酸植物源杀虫剂及其制备方法，属于生物农药技术领域。本发明植物源杀虫剂包括以下重量份的原料制备而成：苦参提取物10-15份