Stokesia laevis Divinity Cultivar Phenotypic Stability
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Solution Overview
Problem
There is a lack of understanding of the phenotypic variations of Stokesia laevis plants under different environmental conditions, and existing cultivars do not consistently exhibit the desired traits such as large white flowers, compact growth habit, and ease of asexual propagation.
Innovation Solution
The new cultivar 'Divinity' of Stokesia laevis, characterized by large white flowers with a yellow center, wide strap-like leaves, compact mounding growth, and ease of asexual propagation, is developed and stabilized through division, root cuttings, and layering, ensuring consistent phenotypic characteristics across generations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing Stokesia laevis cultivars are used, then they exhibit some flowering traits, but they do not consistently produce large white flowers with compact growth habit
Solution Approach 1:
The patent applies parameter changes by selecting and stabilizing specific phenotypic parameters (flower size, color, growth habit) through asexual propagation. The cultivar 'Divinity' exhibits large white flowers (8-10 cm diameter) with compact mounding growth (30-60 cm height), representing optimized parameter values that distinguish it from other cultivars.
2Stability of the object's composition
If asexual propagation methods are used, then phenotypic stability is achieved, but propagation time and effort are required
Solution Approach 1:
The patent employs preliminary action through asexual propagation methods (division, cuttings, layering) that establish phenotypic stability before commercial production. By propaging from selected parent plants with desired traits, the cultivar ensures consistent phenotypic expression in all subsequent generations, eliminating the need for repeated selection.
3Adaptability or versatility
If environmental variations occur, then some phenotypic variation may occur, but genotype remains stable
Solution Approach 1:
The patent applies local quality by ensuring that the genetic material (genotype) maintains uniform quality across all propagated plants, while allowing natural phenotypic adaptation to local environmental conditions. The asexual propagation ensures that each plant receives identical genetic material, providing a uniform baseline that expresses consistently across different environments.
Data Source
AI summary
A new and distinct, vigorous cultivar of Stokesia laevis named ‘Divinity’, characterized by a compact growth habit, wide strap like leaves, and numerous white flowers.