Dracaena Fudrafut Variegated Cultivar Mutation
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Solution Overview
Problem
Existing Dracaena godseffiana cultivars lack distinct variegation in their foliage, limiting their ornamental appeal and diversity.
Innovation Solution
The development of the 'Fudrafut' cultivar through induced mutation using 10 ppm 6 Benziylaminopurine as a mutagen, resulting in plants with distinctive variegated leaves featuring dark green margins and lighter yellow-green interiors, propagated via meristem tissue culture to ensure stability and reproducibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If induced mutation is applied to Dracaena godseffiana, then foliage variegation is improved, but genetic stability may deteriorate
Solution Approach 1:
The patent applies preliminary action by treating plantlets with mutagen before they are fully developed, allowing the mutation to be established early in the plant's growth cycle. This ensures that the variegation trait is integrated into the plant's genetic makeup from an early stage, promoting stability across generations through controlled propagation.
Solution Approach 2:
The patent utilizes parameter changes by applying a specific concentration of mutagen (10 ppm 6 Benziylaminopurine) to induce genetic variation. By controlling the concentration and application method, the patent achieves desirable variegation while minimizing harmful genetic changes, thus balancing trait improvement with genetic stability.
2Reliability
If tissue culture propagation is used, then reproducibility of variegation is improved, but propagation time is increased
Solution Approach 1:
The patent extracts the meristem tissue from the plant and propagates it in vitro through tissue culture. This extraction allows for controlled multiplication of the variegated trait without the variability introduced by sexual reproduction, ensuring high reproducibility while optimizing propagation efficiency through standardized culture conditions.
3Stability of the object's composition
If multiple generations are propagated to establish stability, then genetic stability is improved, but time and resources are increased
Solution Approach 1:
The patent implements continuous propagation through tissue culture, maintaining the variegated trait across multiple generations without interruption. By keeping the propagation process continuous and controlled in vitro, the patent achieves genetic stability while minimizing the time and resources that would be required for traditional field-based multi-generational breeding programs.
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 'Fudrafut' cultivar exhibits stable and true-to-type unique characteristics, offering a visually distinct ornamental option with moderate growth rate, strong stem, and moderate drought and heat tolerance, while maintaining similarity to the parent variety in horticultural traits.
Implementation Method 1
The new variety originated as an induced mutation, by treating tissue cultured plantlets of an unnamed variety of Dracaena godseffiana with a known mutagen. The known chemical mutagen used was 10 ppm of 6 Benziylaminopurine.
Implementation Method 2
Asexual reproduction of the new cultivar 'Fudrafut' was first performed at the commercial laboratory in Brookfield, Queensland, Australia by meristem tissue culture.
Data Source
AI summary
A new and distinct Dracaena cultivar named ‘Fudrafut’ is disclosed, characterized by distinctive variegated leaves, with dark green margins and lighter Yellow-Green colored interior. The new variety is a Dracaena, typically produced as an ornamental plant.