Guar Hydroxypropyltrimonium Chloride Seed Coating for Biomass Growth

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Solution Overview

Problem

Current seed treatments fail to significantly enhance plant growth, biomass development, and crop yields, particularly under insufficient irrigation conditions, and often have adverse effects from fungicides and herbicides on germination and growth.

Innovation Solution

Coating seeds with a composition comprising guar hydroxypropyltrimonium chloride, which increases germination rates and growth by promoting biomass development, reducing the detrimental effects of pesticides, and improving crop yields even under water scarcity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional seed treatments are used to increase germination rate, then the number of sprouted plants is increased, but the enhancement of growth and biomass development is insufficient

Engineering Contradiction:
Improvegermination rateVSAvoidgrowth enhancement and biomass development
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent applies parameter changes by modifying the chemical composition of the seed coating from conventional polysaccharides to a specific formulation containing guar hydroxypropyltrimonium chloride at optimized concentrations (0.01-5% w/w). This chemical parameter modification enables simultaneous improvement of both germination rate and subsequent growth enhancement, resolving the contradiction between reliable germination and productive biomass development.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs composite materials by combining guar hydroxypropyltrimonium chloride with additional components such as polysaccharides, proteins, or other biodegradable substances in a synergistic formulation. This composite approach allows the coating to perform multiple functions: ensuring germination while simultaneously promoting robust growth and biomass accumulation, thereby addressing both reliability and productivity requirements.

Inventive Principle:
Principle #40Composite materials

2Reliability

If fungicides and herbicides are applied to protect plants, then pest and disease control is improved, but the detrimental effect on germination rate and growth increases

Engineering Contradiction:
Improvepest and disease controlVSAvoiddetrimental effect of fungicides and herbicides on germination and growth
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent introduces an intermediary substance - the guar hydroxypropyltrimonium chloride coating - that acts as a protective barrier between the seed and harmful pesticides. This intermediary layer reduces the direct contact and adverse effects of fungicides and herbicides on the seed, thereby protecting germination and early growth while still providing pest and disease control through the coating's inherent protective properties.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent converts the potentially harmful effect of pesticide applications into a beneficial situation by using the guar hydroxypropyltrimonium chloride coating to mitigate pesticide damage. The coating transforms the harmful interaction between pesticides and seeds into a controlled interface where the coating protects the seed, turning what would be a harmful effect into a protective mechanism that enhances seed survival and growth.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Productivity

If seed treatments are applied to improve crop yield, then the general yield of produced plants is increased, but the complexity of treatment procedures and application equipment requirements increases

Engineering Contradiction:
Improvecrop yieldVSAvoidcomplexity of treatment procedures and application equipment
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent applies local quality by concentrating the active ingredients and functional properties directly at the seed coating level, where they provide maximum impact for crop yield improvement. This localized approach eliminates the need for complex systemic treatment procedures and sophisticated application equipment, as the coating itself delivers the protective and growth-promoting effects directly where needed - at the seed-plants interface.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP3398421B1Growth enhancement of plant
Publication Date: 2024.04.03 SPECIALTY OPERATIONS FRANCE

AI summary

The present invention concerns a method to increase the growth of a plant by coating a seed of said plant with a composition comprising at least a cationic guar; notably permitting to develop its biomass and reach its maturity. The invention also concerns a seed coating composition used in such a method.