Sulphur Composition for Seedless Fruit Production
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Solution Overview
Problem
Current methods for preventing seed formation in fruits, such as anti-bee netting and chemical applications, are costly and ineffective, leading to reduced yield and low consumer demand for seedless varieties.
Innovation Solution
A composition containing sulphur (S) as the active agent, applied during the flowering stage, which collapses stigma papilla cells, preventing pollen tube growth and seed formation without affecting fruit yield or quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If anti-bee netting or greenhouse cultivation is used to prevent pollination, then seed formation is prevented, but labour and material costs increase significantly and yield may be reduced by around 30%
Solution Approach 1:
The patent replaces mechanical/physical methods (anti-bee netting, greenhouse structures) with a chemical method (sulphur application). The sulphur composition directly prevents pollen tube growth through chemical action on stigma papilla cells, eliminating the need for complex physical barriers and associated labour costs.
Solution Approach 2:
The patent changes the approach from physical isolation to chemical treatment by applying sulphur at specific concentrations (0.1-10% w/v) during the flowering stage. This parameter-based chemical intervention achieves seed prevention without the structural complexity and cost of physical barriers.
2Reliability
If chemical applications with copper and gibberellic acid are used to inhibit pollen germination, then some seed reduction is achieved (10-35%), but effectiveness is insufficient and costs are not offset by quality improvement
Solution Approach 1:
The patent employs sulphur at optimized concentrations (0.1-10% w/v) applied during the critical flowering stage, achieving 95-100% seed prevention effectiveness. This represents a significant improvement over previous chemical methods (copper and gibberellic acid) that only achieved 10-35% reduction, making the treatment economically viable.
Solution Approach 2:
The patent uses sulphur, a relatively inexpensive and readily available chemical, applied as a temporary treatment during flowering. This disposable chemical intervention provides high effectiveness without the need for expensive infrastructure or long-term commitments, improving cost-effectiveness.
3Reliability
If sulphur is applied to prevent seed formation, then pollen tube growth is inhibited (95-100% effectiveness), but there is concern about potential toxicity to plants and pollinators
Solution Approach 1:
The patent specifies a concentration range (0.1-10% w/v) for sulphur application that achieves high effectiveness (95-100% pollen tube inhibition) while remaining within safe limits for plant health and pollinator survival. This optimized parameter range balances efficacy with safety.
Solution Approach 2:
The patent applies sulphur as a chemical intermediary that temporarily interferes with pollen tube growth during the flowering stage, then degrades into harmless substances. This intermediary approach allows high effectiveness while minimizing long-term toxic effects on plants and pollinators.
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 solution achieves 95-100% inhibition of pollen tube growth and seed formation, increasing fruit size and commercial value, while being non-toxic to plants and pollinators, and maintaining fruit quality and yield.
Implementation Method 1
sulphur (S), once applied to the flower of the horticultural plant and/or fruit tree, provokes the collapse of the stigma papilla cells, thus preventing pollen tube growth
Data Source
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AI summary
The present invention relates to the agri-food industry and obtaining seedless fruit. The invention consists of an active product whose composition comprises sulphur (S) as an octatomic molecule (S8) as its active ingredient, as well as optionally a surfactant and a plant hormone, preferably gibberellic acid or auxins and its use in a method for obtaining seedless fruit that comprises the application of the active product on crops, flowers, horticultural plants and/or fruit trees.