Morel Spawn Device with Porous Ceramic Nutrient Control

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Solution Overview

Problem

Cultivating morels is challenging due to the rapid deterioration of seed spawn, climate dependency, nutrient competition, and contamination issues, leading to low yields and high production costs, with outdoor cultivation not replicating forest conditions and resulting in a less characteristic taste.

Innovation Solution

A morel seedling spawn device using a porous ceramic insert inoculated with mycelium and Pseudomonas Putida, which provides controlled nutrient supply, protection from external contaminants, and efficient water management, allowing burial for climate insulation and precise propagation control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If seed spawn is prepared fresh and planted immediately, then effectiveness is maintained, but yield is lost when climatic conditions are unfavorable

Engineering Contradiction:
Improveseed spawn effectivenessVSAvoidmorel yield
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The ceramic insert is prepared in advance with inoculated substrate and stored until climatic conditions are favorable for planting. This allows the seed spawn to be ready when both effectiveness and yield conditions are optimal, resolving the contradiction between maintaining effectiveness and achieving productivity.

Inventive Principle:
Principle #10Preliminary action

2Quantity of substance

If food is applied to the soil surface after incubation, then nutrition is provided, but bacteria and soil fauna consume it detrimentally

Engineering Contradiction:
Improvenutrition availabilityVSAvoidnutrient competition from bacteria and soil fauna
Core Design Contradiction:
Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The nutrition is extracted from the external soil environment and contained within the ceramic insert's substrate. The porous ceramic structure allows controlled release of nutrients directly to the morel mycelium, preventing competition from bacteria and soil fauna while maintaining nutrition availability.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The ceramic insert acts as an intermediary device between the nutrition and the morel mycelium. It controls the release of carbohydrates and water, providing exclusive nutrition to the cultivated mycelium while blocking access to bacteria and soil fauna.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If traditional seed bags with wheat grains are used, then mycelium growth is supported, but production costs increase due to labor intensity

Engineering Contradiction:
Improvemycelium growth supportVSAvoidproduction cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The ceramic insert provides a porous structure that naturally supports mycelium growth without requiring complex seed bag preparations. The porosity allows for gas exchange, water retention, and mycelium colonization, simplifying the manufacturing process while maintaining reliable mycelium development.

Inventive Principle:
Principle #31Porous materials

Solution Approach 2:

The ceramic insert can be produced as a simple, reusable container that eliminates the need for labor-intensive seed bag preparation. The insert itself becomes the growth medium support, reducing manufacturing complexity and cost while maintaining effective mycelium cultivation.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

4Ease of operation

If cultivation is performed on agricultural land, then production is simplified, but taste characteristic is reduced

Engineering Contradiction:
Improvecultivation simplicityVSAvoidtaste quality
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The ceramic insert creates a localized microenvironment with specific substrate composition and porosity that replicates forest soil conditions. This local quality control within the insert allows cultivation on agricultural land while maintaining the taste characteristics associated with forest-grown morels.

Inventive Principle:
Principle #3Local quality

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

Enhances yield and taste consistency by ensuring homogeneous nutrient supply, protecting mycelium from external threats, and reducing production costs through reusable ceramic materials, enabling agroforestry applications.

Implementation Method 1

the porous barrier of the ceramic of the insert allowing this liquid feed, based on water and carbohydrates, to be filtered to keep the carbohydrates in the insert and gradually release the water that served as a transport medium for the carbohydrates

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Implementation Method 2

the porosity of the insert prevents water stagnation and allows a gas exchange free of impurities for the benefit of the mycelium contained in the insert

Methodology Applied
Scientific EffectDiffusion: Diffusion

Data Source

PatentEP4291014B1Morel seedling spawn device
Publication Date: 2025.10.01 GIRARD PIERRE GILBERT DAVID
  • EP4291014B1 patent drawingFigure 1~2
  • EP4291014B1 patent drawingFigure 3~5
  • EP4291014B1 patent drawingFigure 6~8

AI summary

Disclosed is a morel spawn device (2) comprising morel mycelium and a substrate (6), characterized in that same comprises a porous ceramic insert (3) designed to be inserted into the ground, the porous insert (3) forming a support for the substrate (6) inoculated with the morel mycelium.