Preparation method and application of pomacea canaliculata attractant based on feeding and oviposition behavior regulation and control

By constructing a snail-killing agent based on feeding and spawning behavior regulation, and utilizing a multi-layered slow-release mechanism and behavior regulation technology, the problems of lack of targeting and low agent utilization in the control of snails in existing technologies have been solved, achieving efficient and stable snail-killing effect and environmental compatibility.

CN122296322AActive Publication Date: 2026-06-30SANYA RES INST OF CHINESE ACAD OF TROPICAL AGRI +1
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Patent Information

Application Number
CN202610756239.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-29
Publication Date
2026-06-30
Estimated Expiration
2046-05-29

AI Technical Summary

Technical Problem

Existing technologies for controlling golden apple snails suffer from a lack of targeting, low drug utilization, poor environmental compatibility, and high risk of non-targeting. Furthermore, conventional molluscicides have short durations of action and are easily lost, failing to achieve active attraction and targeted feeding, resulting in a significant loss of effective ingredients and failing to match the ecological habits of golden apple snails.

Method used

Using a golden apple snail attractant based on the regulation of feeding and oviposition behaviors, a multi-layered slow-release mechanism was constructed through essential oil pre-encapsulation, ultra-micro functional powder preparation, microencapsulation, and fluidized bed coating technologies. Combined with components such as sweet potato starch hydrolysate, yeast extract, and glycine, it provides olfactory attraction signals and oviposition chemotaxis signals, forming an integrated trapping mode of active attraction, continuous stay, and targeted feeding.

Benefits of technology

It significantly improves the venom-killing efficiency and drug utilization rate of golden apple snails, achieving high lethality with low doses, reducing the toxicity risk to non-target organisms, and has a long-lasting and stable snail-killing effect, making it suitable for industrial production and multi-scenario applications.

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Abstract

The invention provides a preparation method and application of a pomacea canaliculata attractive toxicant based on feeding and oviposition behavior regulation and control, and belongs to the technical field of agriculture and forestry. The preparation method comprises the steps that beta-cyclodextrin is taken for inclusion of rhizoma cyperi essential oil, and an essential oil inclusion compound is obtained; the preparation method comprises the following steps: taking glycine, sodium citrate, anhydrous magnesium sulfate, a rhizoma acori graminei extract, capsaicin and a mint extract, and carrying out superfine grinding to obtain superfine functional powder; preparing microcapsule active powder from tea saponin and azadirachtin by adopting maltodextrin and Arabic gum; the preparation method comprises the following steps: mixing sweet potato starch hydrolysate, yeast extract, essential oil clathrate, ultramicro functional powder, microcapsule active powder, bentonite and talcum powder, adding carboxymethyl cellulose and sodium alginate to prepare core layer particles, and coating with a coating solution to prepare the pomacea canaliculata attractant based on feeding and oviposition behavior regulation. On the basis of the double behavior principle of feeding preference and oviposition taxis of the ampullaria gigas, an integrated trapping and killing mode of active trapping, continuous staying and directional feeding is constructed.
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