Seed UV-B Irradiation for Crop Stress Resilience

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Solution Overview

Problem

Current methods for improving crop yield and quality, such as pesticide use and genetic modification, often come with drawbacks like ecosystem damage, resistance issues, and public distrust, while physical treatments like UV-C irradiation can decrease plant performance.

Innovation Solution

Treating seeds with UV-B irradiation to increase flavonoid levels and gene transcription, leading to enhanced plant performance without the need for pesticides or chemical additives, using LED lights to administer UV-B radiation in specific wavelengths.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If UV-C irradiation is used to disinfect seeds, then pest resistance is improved, but plant performance decreases

Engineering Contradiction:

Improvepest resistanceVSAvoidplant performance

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The patent changes the wavelength parameter of UV irradiation from UV-C (200-280 nm) to UV-B (280-315 nm), specifically using a peak wavelength of approximately 286 nm. This parameter change allows the radiation to induce flavonoid production and stress resistance while avoiding the harmful effects of UV-C that damage plant performance and reduce yield.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent applies a specific dosage range of UV-B irradiation (0.01 to 368 kJ m², preferably 0.1 to 12 kJ m²) that is sufficient to induce protective flavonoid accumulation and stress resistance but not excessive enough to cause the DNA damage and growth inhibition associated with higher doses or UV-C treatment. This partial action achieves resistance without the harmful side effects.

Inventive Principle:

Principle #16Partial or excessive action

2Reliability

If pesticides are used to protect seeds from pests, then pest resistance is improved, but ecosystem damage occurs

Engineering Contradiction:

Improvepest resistanceVSAvoidecosystem damage

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces chemical pesticides with a physical treatment method (UV-B irradiation) to achieve pest and pathogen resistance. This substitution eliminates the harmful chemical residues and ecosystem damage associated with pesticides while maintaining effective protection through induced plant defenses and direct pathogen inactivation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent converts the potentially harmful UV radiation into a beneficial treatment by using controlled UV-B irradiation at specific wavelengths and dosages. This controlled exposure induces protective mechanisms in the seed and plant (flavonoid production, stress resistance) while avoiding the harmful effects of uncontrolled chemical pesticides on the ecosystem.

Inventive Principle:

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

3Productivity

If genetic modification is used to improve crop traits, then yield and quality are improved, but public distrust increases

Engineering Contradiction:

Improvecrop yieldVSAvoidpublic distrust

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces genetic modification with a physical pre-treatment method (UV-B irradiation) that induces desirable traits without altering the plant's genetic code. This approach achieves improved stress resistance and yield through epigenetic and biochemical changes (flavonoid accumulation, gene expression modulation) while avoiding the public controversy and regulatory hurdles associated with transgenic organisms.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

This approach improves stress resilience and yield while avoiding the negative effects of UV-C treatment, providing a cost-effective and consumer-acceptable method for enhancing crop productivity across various plant species.

Implementation Method 1

treating the seed for sowing with UV-B irradiation

Methodology Applied

Scientific EffectUV-B irradiation: Absorption (EM radiation)

Implementation Method 2

the seed, a resulting plant and/or a resulting harvestable crop material has increased levels of flavonoids

Methodology Applied

Scientific EffectFlavonoid synthesis: Photosynthesis

Data Source

PatentEP4091440A1Method of seed treatments and resulting products

Publication Date: 2022.11.23 BIOLUMIC

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AI summary

The present invention relates to a method of treating a seed for sowing with UV-B irradiation to improve subsequent plant performance. The invention relates also to subsequent plants or harvestable crop materials resulting from treatment of seeds for sowing with UV-B irradiation.