Cuprous hydroxide-based antimicrobial solution, and preparation method therefor and use method therefor

By stirring cuprous chloride coordination compounds in water to form a cuprous hydroxide suspension, the problem of using large doses of copper-based fungicides is solved, enabling broad-spectrum control of plant diseases with low copper content, reducing environmental risks and costs, and making it suitable for organic agriculture.

WO2026129602A1PCT designated stage Publication Date: 2026-06-25CHONGQING LINGSHI AGRI TECH CO LTD

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
CHONGQING LINGSHI AGRI TECH CO LTD
Filing Date
2025-06-27
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

Existing copper-based fungicides require large doses for the control of plant diseases, leading to heavy metal pollution and environmental risks. Furthermore, multiple diseases require the simultaneous use of multiple fungicides, increasing costs and pesticide residue risks. Cuprous hydroxide fungicides have not been reported and are unstable, making long-term storage difficult.

Method used

A cuprous chloride coordination compound is stirred in water to form a cuprous hydroxide suspension. Its stability over a certain period of time is utilized as a bactericidal liquid to control oomycete, fungal, and bacterial diseases. Surfactants are added to enhance stability and wettability.

Benefits of technology

It achieves broad-spectrum control of various plant diseases with low copper content, avoids the risk of heavy metal residues, simplifies the application process, and is more effective than traditional fungicides, meeting organic cultivation standards.

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Abstract

A cuprous hydroxide-based antimicrobial solution, and a preparation method therefor and a use method therefor. By using a suspension of cuprous hydroxide as an antimicrobial solution, diseases caused by various oomycetes, fungi and / or bacteria can be effectively controlled, wherein the suspension of cuprous hydroxide is obtained by decomposition of a solution-state cuprous chloride coordination compound in water under stirring.
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