Plant-source and microorganism-source pesticide composition for trapping and killing ampullaria gigas as well as preparation method and application of plant-source and microorganism-source pesticide composition

By preparing a wet granulation of plant-derived and microbial pesticide compositions, and utilizing the attraction of duckweed extract and the internal and external linkage mechanism of Bacillus thuringiensis, the problems of chemical residues and resistance in the control of golden apple snails were solved, achieving efficient and safe trapping and extermination effects.

CN122320022APending Publication Date: 2026-07-03GUANGZHOU YITIAN BIOTECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202610372864.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-25
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing technologies for controlling golden apple snails suffer from problems such as chemical residues and resistance, and insufficient efficacy of biological agents. These technologies struggle to achieve efficient and environmentally friendly trapping and extermination, while also posing risks to non-target aquatic organisms.

Method used

A pesticide composition based on plant and microbial sources, including duckweed extract, betaine, catnip extract, pokeweed extract, areca nut extract, and Bacillus thuringiensis, is prepared by wet granulation. The pesticide composition utilizes the natural attraction of duckweed and the internal and external linkage snail-killing mechanism of microorganisms to achieve rapid and thorough eradication of golden apple snails.

Benefits of technology

It achieves highly efficient trapping and extermination of golden apple snails, is environmentally friendly, leaves no residual pollution, is safe for non-target aquatic organisms, and is suitable for prevention and control in rice paddies and aquaculture water bodies.

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Abstract

The invention provides a plant-source and microorganism-source pesticide composition for trapping and killing ampullaria gigas as well as a preparation method and application of the plant-source and microorganism-source pesticide composition, and belongs to the technical field of pesticides. The pesticide composition comprises a duckweed extract, betaine, a plant source component, a microbial source component and auxiliary materials, the plant source component is prepared from a herba schizonepetae extract, a radix phytolaccae extract and a betel nut extract, and the microbial source component is microencapsulated bacillus thuringiensis. The duckweed extract and the betaine are compounded, so that the pomacea canaliculata can be actively attracted to eat; the plant source components are compounded in a ternary manner to cooperatively destroy the mucous membrane of the pomacea canaliculata, interfere physiological metabolism and quickly kill the pomacea canaliculata The microbial source component is colonized in the intestinal tract of the snail to release the snail killing toxin, so that an internal and external snail killing mechanism is formed. Tests show that the pesticide composition disclosed by the invention is high in safety to zebra fish, has a remarkable killing effect on young pomacea canaliculata and adult pomacea canaliculata, has the characteristics of high trapping property, thorough pomacea canaliculata killing, environmental friendliness and the like, and is suitable for green prevention and control of pomacea canaliculata in a culture water body.
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