Synergistic Fungicidal Composition for Plant Disease Control

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Solution Overview

Problem

Current plant disease control compositions lack effective synergistic activity against a broad spectrum of plant diseases, limiting their control efficacy.

Innovation Solution

A composition comprising a compound represented by a specific formula combined with one or more inorganic fungicidal compounds, such as fludioxonil or pencycuron, in specific weight ratios, exhibiting synergistic activity for enhanced plant disease control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional fungicidal compounds are used alone, then the composition is simple, but the control effect on plant diseases is insufficient

Engineering Contradiction:

Improvecontrol effectVSAvoidcomposition complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines a compound of formula (1) with inorganic fungicidal compounds from group (A) to create a composite composition. This merging of different fungicidal agents produces synergistic effects that enhance control efficacy against plant diseases while managing composition complexity through defined compatibility criteria.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The invention creates a composite fungicidal composition by integrating the compound of formula (1) with specific inorganic fungicidal compounds. This composite approach leverages the complementary properties of different fungicidal classes to achieve broader spectrum control and improved reliability against diverse plant pathogens.

Inventive Principle:

Principle #40Composite materials

2Reliability

If a broad spectrum of fungicidal compounds is used, then the control effect improves, but the synergistic activity is not achieved

Engineering Contradiction:

Improvesynergistic activityVSAvoidbroad spectrum coverage

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent specifies particular inorganic fungicidal compounds from group (A) that exhibit synergistic interactions with the compound of formula (1). This selective approach ensures local quality enhancement through synergism while maintaining broad spectrum coverage by choosing fungicides with complementary modes of action against different plant pathogens.

Inventive Principle:

Principle #3Local quality

3Reliability

If the composition uses specific weight ratios, then the synergistic activity is optimized, but the formulation flexibility is reduced

Engineering Contradiction:

Improvesynergistic activityVSAvoidformulation flexibility

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent defines specific weight ratio ranges for the compound of formula (1) and inorganic fungicidal compounds to optimize synergistic activity. These parameter specifications ensure reliable fungicidal effects while providing sufficient formulation flexibility within the defined ranges to accommodate different manufacturing requirements and application scenarios.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS8940717B2Plant disease controlling composition and method for controlling plant disease

Publication Date: 2015.01.27 SUMITOMO CHEM CO LTD

AI summary

The present invention provides a composition having an excellent controlling activity on plant disease. The composition comprising the compound represented by the formula (1) and one or more inorganic fungicidal compound selected from the group (A) shows an excellent controlling activity on a plant disease. group (A): a group consisting of fludioxonil, pencycuron, ametoctradin, chloroneb, chlorothalonil, oxine-copper, cyflufenamid, dichlofluanid, dicloran, diethofencarb, dinocap, dithianon, edifenphos, fenaminosulf, fentin, fluazinam, fluoroimide, flusulfamide, flutianil, fosetyl-Al, hydrargaphen, iprobenfos, metrafenon, milneb, penflufen, phosdiphen, phthalide, prothiocarb, pyrazophos, sedaxane, silthiofam, spiroxamine, tebufloquin, and tolyfluanid.