Synergistic L-Glufosinate Combinations for Resistant Spermacoce Control
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Solution Overview
Problem
Existing herbicides are insufficient in controlling resistant Spermacoce genus weeds like Borreria verticillata, which affect crop yields and are difficult to manage due to resistance and potential phytotoxicity, necessitating a need for synergistic herbicidal combinations that enhance efficacy while minimizing dosage and preventing resistance development.
Innovation Solution
A synergistic herbicidal combination comprising L-glufosinate, its salts or esters, and at least one additional herbicide from the group of protoporphyrinogen oxidase, photosystem II, auxin, hydroxyphenyl pyruvate dioxygenase (HPPD), or acetolactate synthase inhibitor herbicides is applied to control Spermacoce genus weeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing herbicides are used to control Spermacoce genus weeds, then weed control is attempted, but the herbicides are insufficient due to weed resistance and do not achieve effective control
Solution Approach 1:
The patent combines L-glufosinate with at least one additional herbicide from specific chemical classes (protoporphyrinogen oxidase inhibitors, photosystem II inhibitors, auxin herbicides, HPPD inhibitors, or ALS inhibitors) to create a synergistic herbicidal combination. This merging of different herbicide mechanisms of action achieves effective control of resistant Spermacoce genus weeds while allowing reduced dosage of individual components.
2Reliability
If herbicide dosage is increased to overcome resistance, then weed control efficacy improves, but phytotoxicity to crops increases
Solution Approach 1:
The patent changes the chemical composition parameters by selecting specific herbicide combinations with different modes of action. The synergistic interaction between L-glufosinate and the additional herbicide allows achieving effective weed control at lower dosages, thereby reducing phytotoxicity to crops while maintaining or improving weed control efficacy.
3Ease of operation
If single herbicides are used, then application is simple, but weeds develop resistance quickly
Solution Approach 1:
The patent merges L-glufosinate with herbicides from multiple different chemical classes that have distinct modes of action. This combination approach complicates the formulation but provides excellent resistance management by targeting multiple physiological pathways in the weed, preventing resistance development while maintaining ease of field application as a ready-mixed formulation.
4Reliability
If synergistic herbicidal combinations are used, then weed control efficacy and resistance management improve, but formulation complexity increases
Solution Approach 1:
The patent creates a universal herbicidal combination formulation where L-glufosinate serves as the base herbicide that can be effectively combined with multiple different types of additional herbicides from various chemical classes. This multi-functional approach allows the same L-glufosinate formulation to work synergistically with different partner herbicides, managing complexity through a consistent base structure while providing versatile weed control solutions.
Data Source
AI summary
The present disclosure relates to a method for controlling unwanted vegetation/weeds. More particularly, the present disclosure relates to a method for controlling Spermacoce genus weeds with synergistic herbicidal combinations comprising L-glufosinate, salts, esters, or combinations thereof and at least one additional herbicide.