Glufosinate Flumioxazin Herbicide Ratios
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Solution Overview
Problem
Current herbicides often have insufficient herbicidal activity against specific harmful plants, limited spectrum of control, low selectivity with young plantation crops, and short-lasting herbicidal effects, necessitating improved formulations for effective weed management.
Innovation Solution
A specific combination of glufosinate and flumioxazin in specific ratios, where glufosinate is present in higher quantities compared to flumioxazin, enhancing herbicidal activity and reducing the required application rates of flumioxazin, thereby achieving longer-lasting and more potent herbicidal effects while maintaining selectivity with young crops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If single herbicide formulations are used, then application simplicity is maintained, but herbicidal activity and spectrum of control are insufficient
Solution Approach 1:
The patent combines glufosinate and flumioxazin into a single herbicide formulation, merging two different herbicidal mechanisms (glutamine synthetase inhibition and protoporphyrinogen oxidase inhibition) into one product. This resolves the contradiction by providing enhanced herbicidal activity and broader spectrum control while maintaining application simplicity through a unified formulation.
2Reliability
If higher application rates of flumioxazin are used, then herbicidal activity is improved, but cost and environmental load increase
Solution Approach 1:
The patent optimizes the ratio parameters of glufosinate to flumioxazin in the formulation, specifically setting flumioxazin content at 0.1-10% by weight and glufosinate content at 10-80% by weight. This parameter optimization allows achieving high herbicidal activity with reduced flumioxazin application rates, lowering both cost and environmental impact while maintaining effectiveness.
3Adaptability or versatility
If herbicides with broad spectrum are used, then control of harmful plants is improved, but selectivity with young plantation crops decreases
Solution Approach 1:
The patent applies local quality by using different herbicidal mechanisms targeted at different weed types: flumioxazin (protoporphyrinogen oxidase inhibitor) provides selective control of broadleaf weeds, while glufosinate (glutamine synthetase inhibitor) controls grasses and provides residual activity. This differentiated approach within the formulation achieves broad spectrum control while maintaining selectivity and reducing damage to young plantation crops through mechanism-specific action.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The combination exhibits significantly improved herbicidal activity, providing rapid and long-lasting control of harmful plants with reduced application rates, minimizing damage to young plantation crops and extending the duration of herbicidal action.
Implementation Method 1
glufosinate...the glutamate synthesis inhibitor glufosinate
Implementation Method 2
protoporphyrinogen-IX oxidase inhibitors, which is flumioxazin
Data Source
AI summary
The present invention relates to specific herbicide combinations comprising (i) L-glufosinate and/or salts thereof and (ii) flumioxazin in specific ratios, and to compositions comprising said herbicide combinations in these ratios. The present invention further relates to a method of producing said specific herbicide combinations and compositions comprising said specific herbicide combinations. The present invention also relates to the use of said specific herbicide combinations and compositions comprising said specific herbicide combinations in the field of agriculture, for controlling harmful plants or undesired plant growth, as well as to corresponding methods.