Synergistic Herbicidal Composition for Weed Control
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Solution Overview
Problem
Current herbicides often require higher application rates to effectively control weeds, and there is a need for synergistic combinations that can provide enhanced weed control in various crop and non-crop areas without harming valuable vegetation.
Innovation Solution
A synergistic herbicidal composition comprising penoxsulam, triclopyr, and imazethapyr or imazamox, which when combined, exhibit a synergistic effect at lower application rates than individual compounds, offering broad-spectrum control of weeds such as barnyardgrass, foxtail, and broadleaf signalgrass, and can be used in conjunction with other herbicides and adjuvants for enhanced efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If higher application rates of current herbicides are used, then weed control effectiveness is improved, but cost and environmental impact increase
Solution Approach 1:
The patent combines three herbicides with different modes of action (penoxsulam as ALS inhibitor, imazethapyr/imazamox as imidazolinone, and triclopyr as auxin regulator) into a single composition. This merging creates synergistic effects where the combination achieves superior weed control at lower application rates than individual herbicides, directly resolving the contradiction between effectiveness and quantity used
Solution Approach 2:
The invention creates a composite herbicidal formulation containing multiple active ingredients with complementary spectra of activity. The composite nature allows the mixture to target different weed species and physiological pathways simultaneously, achieving broad-spectrum control at reduced rates while maintaining reliability
2Adaptability or versatility
If broader spectrum herbicide coverage is achieved, then more weed species are controlled, but selectivity for valuable crops decreases
Solution Approach 1:
The patent applies local quality by selecting herbicide combinations that are selectively toxic to specific weed species while sparing valuable crops. The formulation targets grass weeds in cereal crops and broadleaf weeds in pasture using ingredients that exploit physiological differences between crop and weed species, achieving broad spectrum control without compromising crop safety
Solution Approach 2:
The invention changes the parameter of herbicide specificity by combining ingredients with different selectivity profiles. The synergistic interaction allows the composition to maintain crop safety while expanding the spectrum of controlled weeds through complementary modes of action that target different weed physiological pathways
Data Source
AI summary
An synergistic herbicidal composition containing penoxsulam plus triclopyr and imazethapyr or imazamox for controlling weeds in crops, especially rice, cereal and grain crops, pastures, rangelands, industrial vegetation management (IVM), aquatics and turf. These compositions provide improved post-emergence herbicidal weed control.