Seed Film-Coating with Potato Sprouts for Fungal Protection
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Solution Overview
Problem
Existing chemical seed treatments for fungal diseases in organic farming are phytotoxic and do not meet certification standards, while biocontrol methods using solvent-extracted potato sprouts are ineffective against fungal pathogens and require modifications, and existing chemical treatments like Redigo® are not suitable for immediate bagging.
Innovation Solution
A biocontrol method using a film-coating of seeds with a simple grind of potato sprouts, applied without extraction, to protect against fungal diseases such as Fusarium and bunt, utilizing a composition that includes crushed potato sprouts, film-forming agents, and adjuvants, ensuring even coverage and adherence to seed surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If chemical seed treatments are used to protect against fungal diseases, then effective protection is achieved, but phytotoxicity occurs and certification standards are not met
Solution Approach 1:
The patent changes the chemical composition parameters by replacing synthetic fungicides with natural extracts from potato sprouts. The extract concentration and application method are optimized to achieve effective fungal protection while eliminating phytotoxic effects, allowing certification compliance.
Solution Approach 2:
The patent uses a readily available, inexpensive material (potato sprouts) that can be processed into a protective coating. This natural extract provides effective protection without the persistence and accumulation issues of chemical fungicides, enabling immediate bagging and certification.
2Reliability
If solvent extraction is used to prepare biocontrol composition, then antifungal activity is enhanced, but phytotoxicity increases and seed germination quality deteriorates
Solution Approach 1:
The patent selectively extracts only the beneficial antifungal components from potato sprouts using appropriate solvents, while leaving behind phytotoxic substances. This selective extraction process concentrates the protective agents without compromising seed germination quality.
Solution Approach 2:
The patent optimizes extraction parameters including solvent type, temperature, and duration to maximize antifungal compound recovery while minimizing phytotoxic substance extraction. This parameter optimization ensures both effective protection and seed quality preservation.
3Reliability
If chemical treatments are applied to seeds, then fungal protection is achieved, but immediate bagging is not possible due to drying requirements
Solution Approach 1:
The patent uses a water-based or volatile solvent extract that dries rapidly, allowing immediate bagging of treated seeds. The natural extract formulation eliminates the need for extended drying periods required by oil-based or persistent chemical treatments.
4Reliability
If modified potato sprout processing is used, then antifungal efficacy is improved, but process complexity increases and certification compliance becomes difficult
Solution Approach 1:
The patent performs preliminary selection and preparation of potato sprouts before extraction, ensuring consistent quality and antifungal efficacy. This preliminary action simplifies the overall process by standardizing the raw material, reducing the need for complex downstream processing.
Data Source
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AI summary
The invention relates to the field of biocontrol for protecting plants from fungal pathogens and to the treatment of seeds by film-coating them with simple ground-up potato sprouts.