Molluscicidal Composition with Iron Compounds and Metaldehyde
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Solution Overview
Problem
Existing molluscicidal compositions are inefficient in reducing the quantity of active ingredient required for effective molluscicidal action, leading to higher consumption by harmful molluscs and less economical use.
Innovation Solution
A molluscicidal composition comprising a metallic compound, such as iron phosphate, combined with metaldehyde in a specific proportion (0.5% to 2% by mass) and a complexing agent like EDTA, which enhances the molluscicidal effectiveness while reducing the amount of active ingredient needed, resulting in a more economical and environmentally friendly solution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional molluscicidal compositions are used, then molluscs are killed but high quantities of active ingredient are consumed
Solution Approach 1:
The invention combines metaldehyde with iron compounds (such as iron phosphate, iron sulfate, or iron acetate) to create a composite molluscicidal composition. This composite approach leverages the synergistic effect between metaldehyde and iron compounds, where the iron compounds enhance the toxicity and persistence of metaldehyde, thereby improving molluscicidal effectiveness while reducing the overall quantity of active ingredient needed.
Solution Approach 2:
The invention optimizes the concentration parameters of the composition by specifying metaldehyde at 0.5-2% and iron compounds at 1-5% by weight. This parameter optimization ensures that the composition achieves maximum molluscicidal effectiveness at reduced dosages compared to traditional metaldehyde-only formulations, directly addressing the contradiction between effectiveness and quantity consumed.
2Reliability
If higher doses of molluscicidal composition are applied, then effectiveness increases but application cost and environmental impact increase
Solution Approach 1:
By formulating a composite composition with metaldehyde and iron compounds, the invention achieves enhanced protective effect at lower application rates. The iron compounds act as persistence-enhancing agents that prolong the protective effect, reducing the need for frequent re-application and thereby lowering both application costs and environmental burden associated with repeated high-dose applications.
Solution Approach 2:
The iron compounds in the composition provide continuous protective action by sustaining the toxic effect on molluscs over an extended period. This continuity of useful action reduces the frequency of re-application needed, thereby decreasing both the economic cost and environmental impact of mollusc control operations.
Data Source
Figure 1
AI summary
The invention relates to a composition, referred to as a molluscicidal composition, lethal by ingestion to harmful molluscs, comprising, as an active ingredient against harmful molluscs: - at least one compound, referred to as the metallic compound, selected from the group consisting of iron acetate, iron chloride, iron phosphate, iron sodium phosphate, iron pyrophosphate, iron nitrate, iron sulfate, iron ammonium sulfate, ferroproteins, iron sulfides, iron citrate, iron glycerol phosphates, iron choline citrate, iron ammonium citrate, iron fumarate, iron gluconate, iron lactate, iron sucrose complexes, iron fructose complexes, iron dextrose complexes, iron succinate, iron tartrate, iron oxalate, and iron ascorbate. and iron aspartate; - metaldehyde;characterized in that metaldehyde is present in the molluscicide composition with a mass proportion between 0.5% and 2%.