Formula-Based Compounds for More Effective Plant Disease Control
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Solution Overview
Problem
Existing methods for controlling plant diseases are not sufficiently effective.
Innovation Solution
Application of a compound represented by a specific formula (I) or its N-oxide or salt form to plants or soil to control plant diseases, where the compound includes various substituents and combinations of carbon, nitrogen, and heterocyclic groups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing methods for controlling plant diseases are used, then the current level of disease control is maintained, but the efficacy is not sufficiently effective
Solution Approach 1:
The patent applies parameter changes by modifying the chemical structure of fungicidal compounds through specific molecular formulas (with defined substituents R1-R8, groups A-G, and structural variations). These structural parameter changes result in compounds with enhanced fungicidal activity and efficacy against plant diseases, directly resolving the contradiction between maintaining current control methods and achieving sufficient effectiveness.
2Reliability
If new compounds with specific molecular structures are developed, then the efficacy for controlling plant diseases is improved, but the complexity of the compound structure increases
Solution Approach 1:
The patent employs universality by designing a broad chemical framework (formula I) with multiple substituent options (groups A-G, various R groups) that can be systematically varied to target different plant diseases and pathogens. This universal structure allows a single compound class to serve multiple fungicidal functions while maintaining manageable structural complexity through modular substitution patterns.
Data Source
AI summary
The present invention provides a method for controlling a plant disease which comprises applying a compound represented by formula (I) [wherein n is 0, 1, or 2, R1 represents a C1-C6 alkyl group etc., R2 and R3 are identical to or different from each other, and each represents a C1-C6 chain hydrocarbon group which may be optionally substituted with one or more halogen atoms, etc., R4 represents a C1-C6 chain hydrocarbon group, etc., q is 1, 2, or 3, and when q is 2 or 3, 2 or 3 of R4 are identical to or different from each other, a combination of X1, X2, X3, and X4 represents a combination wherein X1 represents CR5, X2 represents CR6, X3 represents CR7, and X4 represents a nitrogen atom, etc., and R5, R6, and R7 are identical to or different from each other, and each represents a C1-C6 chain hydrocarbon group which may be optionally substituted with one or more halogen atoms, etc.], or the N-oxide thereof, or the salt thereof to a plant or soil for cultivating the plant, which has excellent control efficacies against plant diseases.