Cotton Seed Coating Using Organic Carriers for Pathogen Control

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Solution Overview

Problem

Conventional seed coating methods using chemical pesticides are indiscriminate, leading to ecological concerns and uneven application, while biological agents like beneficial bacteria and fungi lose viability when dried, resulting in incomplete protection against plant pathogens.

Innovation Solution

A cotton seed coating composition using an organic carrier material, such as waxes with a melting point of ≥50°C, in conjunction with biological agents to improve viability and uniformity, reducing the risk of flaking and enhancing pathogen control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional chemical pesticides are applied to cotton seeds, then direct protection against pathogens is achieved, but ecological harm increases and beneficial organisms are adversely affected

Engineering Contradiction:
Improveprotection against pathogensVSAvoidecological harm
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent converts the harmful effect of indiscriminate chemical pesticides into a beneficial targeted approach by using biological agents that specifically attack plant pathogens while leaving beneficial organisms unaffected. The biological coating composition uses naturally occurring organisms to control diseases, transforming the problem of ecological harm into a solution that protects both crops and the environment.

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

Solution Approach 2:

The patent changes the fundamental parameter of the protective agent from synthetic chemical substances to biological organisms. This parameter change shifts the mechanism of action from broad-spectrum chemical killing to specific biological control, maintaining pathogen protection while eliminating ecological damage associated with chemical pesticides.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If biological agents are applied as slurry in conventional seed coating, then pathogen control is achieved, but uneven application occurs and coating uniformity deteriorates

Engineering Contradiction:
Improvepathogen controlVSAvoidcoating uniformity
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

The patent changes the physical state parameter of the coating composition from liquid slurry to dry powder form. This parameter change enables uniform distribution of biological agents on seed surfaces, eliminating the uneven application and flaking problems associated with liquid coatings while maintaining effective pathogen control.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite material system combining biological agents with carrier particles in a dry powder formulation. This composite structure ensures uniform adhesion to seed surfaces, prevents flaking, and achieves consistent coating coverage across all seeds, resolving the uniformity issues of conventional slurry applications.

Inventive Principle:
Principle #40Composite materials

3Ease of manufacture

If seeds are dried after biological agent application, then storage and handling are facilitated, but viability of live biological agents decreases sharply

Engineering Contradiction:
Improvestorage and handlingVSAvoidbiological agent viability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent changes the environmental parameters under which biological agents are formulated and applied, specifically maintaining conditions that preserve spore viability while enabling dry storage. The dry powder formulation with appropriate carriers creates a microenvironment that protects live biological agents from desiccation damage, allowing both easy storage and maintained viability.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces carrier particles as an intermediary between the biological agents and the external environment. These carriers protect the live biological agents from harmful drying effects while still allowing the composition to be stored and handled in dry form, mediating between the need for storage convenience and biological agent survival.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Reliability

If high levels of chemicals are used in seed treatments, then direct protection against pathogens is improved, but chemical load to the environment increases

Engineering Contradiction:
Improveprotection against pathogensVSAvoidchemical load to environment
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The patent replaces harmful chemical substances with beneficial biological organisms in the seed treatment formulation. This conversion eliminates the problem of chemical pollution while maintaining effective pathogen control, transforming the chemical load issue into a environmentally friendly biological control solution.

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

Solution Approach 2:

The patent fundamentally changes the compositional parameter of the treatment from chemical-based to biology-based. This parameter substitution eliminates chemical runoff and environmental contamination while providing sustained pathogen protection through natural biological mechanisms.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS9961894B2Coating compositions for pathogen control in cotton
Publication Date: 2018.05.08 TERRAMERA EXCO HLDG LTD

AI summary

Coating compositions for cotton plant seed, wherein the coating composition comprises an organic carrier material and one or more biological agents that are active against one or more pathogens cotton plant.