Sedum Pizzazz Compact Growth Bright Cerise Flowers
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Solution Overview
Problem
There is a need for a new variety of Sedum spectabile that exhibits brighter flower colors and a more compact growth habit compared to existing varieties, while being hardy and suitable for container gardens and landscape borders.
Innovation Solution
The new Sedum variety 'Pizzazz' was developed through asexual propagation from Sedum 'Neon', characterized by its mid-green foliage, bright cerise flowers, prominently exserted stamens, and compact clump-forming habit, requiring free-draining soil, full sun, and minimal water, with specific cultural recommendations to manage susceptibility to snails and mildew.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If Sedum 'Neon' is used as parent variety, then flower color brightness is improved, but plant size becomes too large for container use
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a seedling with modified growth parameters. The selected seedling exhibits both the bright flower color trait from Sedum 'Neon' and a compact growth habit with reduced plant size, achieving the desired balance between floral display and container suitability through asexual propagation of this specific phenotype.
2Volume of moving object
If compact growth habit is selected, then container suitability is improved, but flower color intensity may be reduced
Solution Approach 1:
The patent resolves this contradiction by identifying and propagating a seedling that exhibits a unique combination of traits: compact clump-forming growth habit suitable for containers while simultaneously displaying bright cerise flower color. This selected phenotype represents an optimal parameter combination that satisfies both compactness and floral intensity requirements.
3Stability of the object's composition
If asexual propagation is used, then true-to-type reproduction is improved, but disease susceptibility may increase
Solution Approach 1:
The patent acknowledges the susceptibility to mildew and implements a preventive maintenance regime where the plant serves its own protection needs through regular spraying with appropriate fungicides. This self-service approach maintains the genetic uniformity achieved through asexual propagation while managing the inherent disease risk.
Data Source
AI summary
A new and distinct variety of Sedum named ‘Pizzazz’ that is characterized by clump forming habit, thick mid-green colored leaves, and flowers with long petals which are mid-pink in color in summer, becoming bright cerise at peak of flowering in late summer and early fall, and aging to deep ruby before senescence.