Enzyme Oxidizer Compositions for Pythium Blight Control
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Solution Overview
Problem
Current fungicides are ineffective in consistently controlling Pythium blight in turfgrass and ornamental plants due to the development of resistant populations and environmental limitations, particularly under extreme conditions.
Innovation Solution
Formulations comprising enzymes and oxidizers are used to reduce or control fungal spores in plants, improving turfgrass and ornamental grass quality by applying these compositions to the soil, seeds, or plants, either singly or in combination, to prevent or cure infestations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fungicides are repeatedly used to control Pythium blight, then fungal infestations are suppressed, but resistant populations of fungus develop
Solution Approach 1:
The patent changes the chemical parameters of the treatment by using oxidizers (hydrogen peroxide, peracetic acid, ozone) instead of traditional fungicides. These oxidizers work through oxidation mechanisms that differ fundamentally from conventional fungicide modes of action, thereby bypassing fungal resistance to traditional chemicals while maintaining effective control of Pythium blight
Solution Approach 2:
The patent employs composite treatment formulations that combine oxidizers with enzymes (such as cellulases, hemicellulases, pectinases, proteases, and lipases). This composite approach creates a multi-mechanism system where oxidizers provide broad-spectrum antimicrobial activity while enzymes enhance the effect by degrading fungal cell wall components, together providing reliable control without promoting resistance
2Reliability
If traditional fungicides are applied to control Pythium blight, then some fungal growth is inhibited, but control is inconsistent under extreme environmental conditions
Solution Approach 1:
The patent utilizes strong oxidants including hydrogen peroxide, peracetic acid, and ozone that generate highly reactive oxygen species capable of oxidizing and destroying fungal cell membranes, proteins, and DNA. These oxidizers maintain efficacy across a wide range of environmental conditions (temperature, humidity, pH) because their oxidation mechanism is not easily inhibited by environmental factors, providing consistent control of Pythium blight where traditional fungicides fail
Solution Approach 2:
The patent replaces the chemical mechanism of traditional fungicides with an oxidation-based mechanism. Instead of relying on specific chemical inhibitors that may be degraded or rendered ineffective by environmental conditions, the oxidizers use oxidative stress to damage fungal structures, a mechanism that remains effective under extreme heat, humidity, and other stressful conditions
3Reliability
If soil is compacted to improve structure, then aeration is reduced, but fungal infestations increase
Solution Approach 1:
The patent introduces enzymes as intermediary substances that mediate between soil physical conditions and fungal control. These enzymes (cellulases, hemicellulases, pectinases, proteases, lipases) act as biological agents that can function effectively in compacted soils with limited aeration, degrading fungal cell walls and providing control without requiring optimal soil physical conditions. The oxidizers also serve as intermediaries that can penetrate compacted soil and deliver oxidative damage to fungal structures regardless of aeration levels
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 enzyme and oxidizer combination effectively suppresses fungal infestations, including Pythium blight, by breaking down saccharide coatings on fungal spores and increasing aeration, thereby preventing compaction and enhancing control of fungal infestations without causing phytotoxicity to the plants.
Implementation Method 1
comprising an enzyme and/or an oxidizer, wherein the formulations reduce fungal spores
Implementation Method 2
comprising an enzyme and/or an oxidizer, wherein the formulations reduce fungal spores
Data Source
AI summary
Methods and compositions for controlling or reducing fungal spores in a plant or crop. The disclosure further provides for compositions and methods of improving turfgrass and/or ornamental grass quality.