Novel celastrus angulatus plant source insecticide as well as preparation method and purpose thereof

Abstract

The invention relates to a novel celastrus angulatus plant source insecticide, which is prepared from the following ingredients including celastrus angulatus roots, cavlerie clearweed herb, sweet wormwood herb, red-knees herb, red-knees herb seeds, subprostrate sophora, citric acid, polysorbate and ascorbic acid. The invention also discloses a preparation method of the novel celastrus angulatus plant source insecticide. The celastrus angulatus roots, the cavlerie clearweed herb, the sweet wormwood herb, the red-knees herb, the red-knees herb seeds and the subprostrate sophora are cleanly washed and crushed at first; then, a proper amount of ethanol water solution is added; heating, decoction and boiling, and filtering are performed; filter liquid is collected; filter slag is mixed with theethanol water solution, and subjected to heating, decoction and boiling, and filtering; the filter liquid is collected; the filter liquid obtained in two times is merged; the citric acid, the polysorbate and the ascorbic acid are added; the mixture is uniformly stirred; the novel celastrus angulatus plant source insecticide is obtained. The invention also discloses a purpose of the novel celastrus angulatus plant source insecticide. The novel celastrus angulatus plant source insecticide provided by the invention has the advantages that the preparation is simple; the prepared novel celastrus angulatus plant source insecticide has a good pest killing effect, and has the advantages of non-toxicity, harmlessness, no pollution and the like.

Description

technical field [0001] The invention relates to a botanical insecticide, its preparation method and use, in particular to a plant-derived insecticide, its preparation method and use, and belongs to the field of pesticides. Background technique [0002] my country is a large agricultural country, and food security is very important. Pesticides are often used for a good harvest, but the long-term use of traditional chemical pesticides has brought various disadvantages, such as the generation of pest resistance, residual toxicity, and environmental pollution. [0003] Biological pesticides do not pollute the environment, do not produce public nuisance, and have broad development prospects, and botanical pesticides are an important part of them. Botanical pesticides use certain parts of plants or extract their active ingredients to make pesticides with insecticidal or bactericidal effects. Most of them are low-toxic, do not damage the environment, have little residue, strong sel...

AI Technical Summary

Problems solved by technology

In the patent application with the publication number CN103315006A and titled "Insecticidal Composition Containing Natural Phryllidin and Natural Vitexin and Its Application", the mixture of the root bark extract of Phyllostachys chinensis and Vitex chrysanthemum seed extract was added to the solvent and antifreeze , the insecticidal aqueous emulsion that emulsifier is made, and its described bitter bark root bark extract refers specifically to bitter bark vine, but single bitter bark vine has limited lethality to insects