A composition containing chlobenthiazone and copper sulfate and its pesticide preparation and application

By using a specific ratio of cymoxanil to copper sulfate and optimizing the preparation process, the problem of poor stability of cymoxanil when combined with other agents was solved, achieving efficient control of early blight in tomatoes and reducing the risk of drug resistance and environmental pollution.

CN122162784APending Publication Date: 2026-06-09SICHUAN PEPSI DONGWANG BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SICHUAN PEPSI DONGWANG BIOTECHNOLOGY CO LTD
Filing Date
2026-02-25
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In existing technologies, cymoxanil has poor stability when combined with other agents, and single copper preparations pose environmental risks and nutritional imbalances, making them difficult to effectively control early blight in tomatoes.

Method used

A pesticide was prepared by compounding cymoxanil and copper sulfate at a specific mass ratio. The preparation process was optimized to form a mother liquor A, and other adjuvants such as disodium ethylenediaminetetraacetate, ethylene glycol, and magnesium aluminum silicate were added to ensure stability and control efficacy.

Benefits of technology

The synergistic effect of cymoxanil and copper sulfate was achieved, which significantly improved the control efficacy against early blight of tomatoes, reduced the risk of pathogen resistance, and avoided phytotoxicity and environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application belongs to the technical field of agricultural compositions, and particularly relates to a composition containing amicarbalide and copper sulfate, a pesticide preparation and application thereof. The active ingredient of the composition is amicarbalide and copper sulfate, and the mass ratio of the two is 7-9:10-19. Under the specific ratio, the two show a significant synergistic control effect on tomato early blight caused by Alternaria solani. The present application also provides a stable pesticide preparation containing the active ingredient, which contains disodium ethylenediaminetetraacetate, an antifreezing agent, a thickening agent, a surfactant, an acid-base regulator and water. The preparation method of first complexing copper sulfate with disodium ethylenediaminetetraacetate to form a mother liquor effectively solves the stability problem of directly mixing amicarbalide with copper ions. Potting and field tests show that the control effect of the pesticide preparation of the present application on tomato early blight is significantly better than that of each single agent, and a new scheme of high efficiency and low resistance risk is provided for the control of tomato early blight.
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