Fungicidal Composition Mixture for Plant Protection
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Solution Overview
Problem
Current fungicidal compounds and compositions often fail to provide adequate control over phytopathogenic fungi due to limitations in biological activity, spectrum of activity, safety profile, physico-chemical properties, and environmental impact, necessitating the development of new compounds with enhanced properties for effective plant protection.
Innovation Solution
A fungicidal composition comprising a mixture of compound (A), specifically oxadiazole derivatives, and component (B), selected from a range of known fungicides, in varying weight ratios to achieve superior biological activity, improved safety, and reduced environmental impact, allowing for more efficient and safer control of phytopathogenic fungi.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If single fungicidal compounds are used, then application simplicity is maintained, but biological activity and spectrum of activity are insufficient
Solution Approach 1:
The patent combines compound (A) from formula (I) with compound (B) from formula (II) in a fungicidal composition to achieve synergistic effects. This merging of two different chemical compounds with distinct modes of action broadens the spectrum of activity against various phytopathogenic fungi while maintaining practical applicability through a defined weight ratio range (1:1 to 10:1).
Solution Approach 2:
The invention creates a composite fungicidal system by formulating compound (A) and compound (B) together in specific proportions. This composite approach leverages the complementary properties of both compounds - compound (A) providing certain fungicidal activities while compound (B) contributes additional spectrum and mode of action, resulting in a composition with superior overall performance against diverse fungal pathogens.
2Reliability
If higher application rates are used, then biological activity is improved, but environmental impact and operator exposure increase
Solution Approach 1:
The patent optimizes the concentration parameters of both compound (A) and compound (B) within specific weight ratio ranges (1:1 to 10:1). By carefully controlling these compositional parameters, the formulation achieves enhanced biological activity and reliability in disease control while minimizing the total amount of active ingredients required, thereby reducing environmental impact and operator exposure compared to using single compounds at higher rates.
Solution Approach 2:
The invention converts the potential harm of requiring high application rates into a benefit by demonstrating that the synergistic combination of compounds (A) and (B) achieves superior biological activity at lower total concentrations. This reduces the environmental burden and operator exposure while maintaining or improving disease control efficacy.
3Adaptability or versatility
If multiple fungicidal compounds are combined, then spectrum of activity is broadened, but manufacturing complexity increases
Solution Approach 1:
The patent simplifies manufacturing by defining specific weight ratio ranges (1:1 to 10:1) for compounds (A) and (B). This parameter specification provides clear formulation guidelines that ease the manufacturing process, allowing producers to create the dual-compound fungicide with controlled complexity while achieving a broadened spectrum of activity against multiple phytopathogenic fungi.
4Ease of operation
If conventional fungicides are used, then current application practices are maintained, but resistance development occurs
Solution Approach 1:
The patent merges compound (A) and compound (B) into a single composition with different modes of action, maintaining application simplicity as a unified product while effectively combating resistance. The synergistic interaction between the two compounds preserves crop protection effectiveness even when phytopathogenic fungi develop resistance to individual compounds.
Solution Approach 2:
The invention introduces dynamic adaptability in disease control by combining two compounds with different modes of action. This dynamic approach allows the composition to remain effective against evolving fungal populations, as the fungi would need to develop simultaneous resistance to both compounds with different mechanisms, which is significantly more difficult than developing resistance to a single compound.
Data Source
AI summary
A fungicidal composition comprising a mixture of components (A) and (B), wherein components (A) and (B) are as defined in claim 1, and use of the compositions in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.