Vanda Plant Cultivar SPCDW2303 White Flower Mutation
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Solution Overview
Problem
There is a need for a new and distinct Vanda cultivar that exhibits improved plant vigor, durable flowers, and a unique white flower color, which are not adequately met by existing Vanda varieties.
Innovation Solution
The cultivar 'SPCDW2303' is developed through a naturally occurring whole-plant mutation of Vanda 'SPCDW1405', characterized by its upright monopodial growth habit, improved plant vigor, inflorescences with multiple open flowers, large and durable flowers, and nearly pure white petals, sepals, and labellum.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If existing Vanda varieties are used, then the plant can be cultivated, but the plant vigor is insufficient and flower durability is short
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a specific mutation (SPCDW2303) that has genetically altered parameters of plant vigor and flower durability compared to the parent variety (SPCDW1405). The mutation resulted in plants with thicker stems, more robust foliage, and flowers that remain open longer, directly addressing the technical contradiction through genetic parameter modification.
2Shape
If existing Vanda varieties are used, then the plant can be cultivated, but the flower color lacks distinctiveness
Solution Approach 1:
The patent applies color changes by documenting and preserving a specific white flower coloration in the mutation (SPCDW2303) that distinguishes it from the parent variety (SPCDW1405) which had light violet to white coloration. The mutation consistently produces pure white flowers across multiple generations, creating a distinct and stable color characteristic that meets the technical requirement for color distinctiveness.
3Stability of the object's composition
If asexual reproduction is used to maintain stability, then the cultivar can be propagated, but the complexity of maintaining true-to-type characteristics increases
Solution Approach 1:
The patent applies copying by using mericloning (asexual reproduction through tissue culture) to create exact genetic copies of the mutation (SPCDW2303). This copying method preserves the stable, true-to-type characteristics of the mutation across generations without introducing genetic variation, thereby maintaining consistency while avoiding the complexity of selective breeding processes.
Data Source
AI summary
‘SPCDW2303’ is a new and distinctive Vanda plant which is characterized by improved plant vigor, large inflorescences with nearly all flowers open at the same time, relatively large and durable flowers, nearly pure white flowers, and stability of these characteristics from generation to generation.