| abstract |
The invention provides a natural insecticide for prevention and treatment of pseudoregma bambusicola. The natural insecticide comprises an active ingredient of 9-carbonyl-10, 11-dehydrogenized Herba Lycopi ketone monomer which is obtained by separation and extraction from crofton weed. The natural insecticide is used for in vitro killing on the pseudoregma bambusicola, and is good in killing effect, small in drug resistance, capable of self-degrading in environments and safe to human and livestock and the environments. |