Microbial Microcapsule Compositions for Plant Inoculation
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Solution Overview
Problem
Current plant growth promoting bacteria inoculation methods face challenges with short shelf life and high transportation costs due to conventional solid and liquid formulations.
Innovation Solution
Development of cross-linked monomer and/or protein microcapsules or alginate microcapsules encapsulating plant beneficial gram-negative bacteria, which include a hydrophobic compound and a humectant like polyethylene glycol, along with additional agriculturally acceptable adjuvants and pesticides, to enhance stability and application efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If conventional solid or liquid formulations are used for plant growth promoting bacteria inoculation, then the inoculation can be applied to crops, but the shelf life is short and transportation costs are high
Solution Approach 1:
The patent changes the physical state parameter of the bacterial formulation from conventional liquid or solid forms to microencapsulated particles. This parameter change enables the bacteria to be stored as dry, stable microcapsules with extended shelf life, and when applied, they rehydrate and release the bacteria. This resolves the contradiction by providing both long-term stability for storage and effective delivery for inoculation.
Solution Approach 2:
The patent uses composite microcapsule structures comprising biodegradable polymers, crosslinking agents, and plant growth promoting bacteria. This composite material approach creates a stable encapsulation matrix that protects bacteria during storage and transport, thereby extending shelf life and reducing transportation costs while maintaining bacterial viability for effective inoculation.
2Ease of operation
If conventional inoculant formulations are used, then inoculation can be performed, but the formulations have high transportation costs
Solution Approach 1:
The formulation is transformed into dry, free-flowing microcapsulated particles that are easier to handle, store, and transport compared to conventional liquid formulations. This parameter change from liquid to solid particulate form reduces transportation costs while maintaining ease of application through various inoculation methods.
Solution Approach 2:
The microcapsules are designed as single-use, disposable units that can be directly applied to seeds or soil. This approach eliminates the need for complex storage infrastructure and reduces transportation costs, while the microcapsules maintain ease of operation by being simple to apply through conventional inoculation equipment.
3Duration of action of stationary object
If conventional liquid formulations are used for bacteria inoculation, then the bacteria can be applied to crops, but the shelf life is short
Solution Approach 1:
The patent transforms the formulation from liquid to dry microcapsulated form, fundamentally changing the physical state parameter. This enables long-term storage at room temperature while maintaining ease of application, as the dry microcapsules can be rehydrated in situ or directly applied to seeds and soil, resolving the contradiction between extended shelf life and operational convenience.
Solution Approach 2:
The bacterial culture is segmented into individual microcapsules, each containing protected bacterial cells. This segmentation allows the formulation to be stored as stable dry particles with extended shelf life, while upon application, the microcapsules disintegrate to release viable bacteria, maintaining ease of operation for inoculation.
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 encapsulated bacteria maintain viability and stability over extended periods, improving shelf life and reducing transportation costs while providing enhanced plant benefits such as increased yield and stress tolerance.
Implementation Method 1
cross-linked alginate microcapsules which encapsulates at least one plant beneficial gram negative bacterium
Implementation Method 2
the microcapsule comprises at least one hydrophobic compound
Implementation Method 3
the composition further comprises a humectant
Data Source
AI summary
Compositions that contain microencapsulated plant beneficial gram negative bacteria are provided, methods of using the compositions to treat plants or plant parts, and treated plants or plant parts are provided.