A method for synergistic reduction and prevention of rice bacterial wilt by using a coconut shell fermentation liquid-based fungicide fertilizer

By preparing a rice pesticide-bacterial fertilizer composition using coconut shell fermentation liquid and a multi-component synergistic approach, the problem of insufficient pest and disease control after the reduction of chemical pesticide use in rice-growing areas with high temperature and humidity was solved. This approach achieved simultaneous control of multiple pests and diseases and ecological protection, improving control efficiency and growth regulation.

CN122404062APending Publication Date: 2026-07-17ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
Filing Date
2026-04-30
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

When existing rice pesticide-microbial-fertilizer synergistic control technology is applied in rice-growing areas with high temperature and humidity, the simultaneous control of multiple target pests and diseases is insufficient after the significant reduction of chemical pesticides, making it difficult to meet the multiple needs of pest repulsion, rice growth regulation and field ecological protection.

Method used

A rice pesticide-microbial-fertilizer synergistic reduction composition based on coconut shell fermentation broth was developed, comprising chlorantraniliprole suspension, tricyclazole wettable powder, matrine aqueous solution, compound microbial agent, and brassinolide emulsifiable concentrate. Coconut shell fermentation broth was prepared through multi-component functional complementarity and segmented anaerobic fermentation process. Combined with application during specific application windows and release of parasitic wasps, a green pest control system adapted to high temperature and high humidity environments was constructed.

Benefits of technology

It achieves simultaneous and efficient control of multiple target pests and diseases while reducing the use of chemical pesticides, improves field control efficiency and duration of effectiveness, takes into account both pest repellency and ecological safety, and builds a stable green control system for paddy fields.

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Abstract

This application relates to the field of green control technology for rice diseases and pests, specifically disclosing a method for synergistic reduction of pesticide, microbial, and fertilizer control in rice based on coconut shell fermentation broth. The composition includes chlorantraniliprole suspension, tricyclazole wettable powder, matrine aqueous solution, compound microbial agent, brassinolide emulsifiable concentrate, and coconut shell fermentation broth, wherein the compound microbial agent has an effective viable count of not less than 1×10⁻⁶. 8 The total free amino acid content of the coconut shell fermentation broth is not less than 5% (CFU / mL). The coconut shell fermentation broth is prepared using a segmented anaerobic directional fermentation process, involving raw material pretreatment, two-stage stepwise fermentation, and post-treatment. This composition can be used for the control of target pests and diseases in rice fields under high temperature and humidity conditions. Through the complementary functions and synergistic effects of multiple components, it achieves simultaneous and efficient control of multiple target pests and diseases in rice while significantly reducing the amount of chemical pesticides used. It also considers rice growth regulation and field ecological safety, meeting the production needs of green pest control in rice.
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