2,4-D Herbicidal Compositions for Broad-Spectrum Weed Control
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Solution Overview
Problem
Existing herbicides, such as herbicide A, face challenges in achieving effective post-emergent weed control with a broad spectrum of activity while maintaining compatibility with crop plants and reducing application rates.
Innovation Solution
A composition comprising herbicide A and 2,4-D, optionally with herbicide C, is applied post-emergently, exhibiting a synergistic effect that enhances herbicidal activity against weeds, including Commelinids, and is compatible with crop plants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a single herbicide is used, then the application rate can be reduced, but the spectrum of activity and reliability of weed control are insufficient
Solution Approach 1:
The patent combines herbicide A with 2,4-D and optionally herbicide C to create a multi-component composition. This merging of different herbicides achieves synergistic effects that broaden the spectrum of activity against various weed species while maintaining reduced application rates compared to using single herbicides alone.
Solution Approach 2:
The invention creates a composite herbicidal composition containing multiple active ingredients (herbicide A, 2,4-D, and optionally herbicide C) in specific formulations. This composite approach leverages the complementary properties of each component to achieve enhanced efficacy across diverse weed types while optimizing application rates.
2Quantity of substance
If herbicide A is used alone, then the application rate can be minimized, but the reliability and specific activity against emerged weeds are insufficient
Solution Approach 1:
The patent merges herbicide A with 2,4-D and optionally herbicide C to create a synergistic combination. This combination enhances the reliability of weed control against emerged weeds while maintaining minimized application rates of the total herbicidal composition.
Solution Approach 2:
The invention optimizes the parameters of the herbicidal composition by adjusting the ratios and concentrations of herbicide A, 2,4-D, and optional herbicide C. These parameter changes maximize the synergistic effects and ensure reliable control of emerged weeds at minimal application rates.
3Productivity
If higher application rates are used, then the herbicidal activity increases, but the compatibility with crop plants decreases
Solution Approach 1:
The patent combines herbicide A with 2,4-D and optionally herbicide C in carefully optimized ratios. This merging achieves high herbicidal activity against weeds while maintaining compatibility with crop plants, as each component contributes to weed control with minimal impact on crops when used in the specified composition.
Solution Approach 2:
The invention optimizes the concentration parameters of each herbicide component in the composition. By adjusting these parameters, the formulation achieves maximum herbicidal activity while staying below thresholds that would harm crop plants, thus resolving the contradiction between productivity and safety.
Data Source
AI summary
The present invention relates to a method for post-emergent weed control, which comprises applying an effective amount of a composition comprising herbicide A (component A), 2,4-D (component B) and optionally herbicide C (component C) to emerged weeds, or an area, where weeds are growing.