Sedum 'Maestro' Cultivar with Upright Wine-Colored Stems
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Solution Overview
Problem
There is a lack of a Sedum cultivar with bluish leaves and purplish stems that also features dark pink flowers, combining an upright habit and deep wine-colored tinting, which are unique characteristics not found in existing Sedum varieties.
Innovation Solution
The development of the Sedum 'Maestro' cultivar, which exhibits stiff, upright bluish-green stems, deep pink buds with wine-colored tinting, and large, fleshy, bluish-green foliage, resulting from a non-induced sport of Sedum 'Matrona', offering a distinct appearance and growth characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing Sedum varieties are used, then they have established growth characteristics, but they lack the unique combination of bluish leaves, purplish stems, and dark pink flowers with upright habit
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a sport mutation with altered phenotypic parameters (bluish-green foliage, purplish stems, dark pink flowers, upright habit) from the parent Sedum 'Matrona'. This natural mutation introduced new color and growth habit parameters while maintaining the species' inherent drought and heat tolerance through asexual propagation.
Solution Approach 2:
The patent segments the breeding process into discovery of the sport mutation, selection of desired traits, and asexual propagation through stem cuttings. This segmentation allowed the unique combination of traits to be isolated and stabilized in a new cultivar while maintaining genetic consistency through clonal reproduction.
2Reliability
If Sedum 'Matrona' is propagated, then it maintains genetic consistency, but it lacks the improved resistance to leaf burn and scorch
Solution Approach 1:
The sport mutation occurred naturally without induced treatment, and the plant propagates itself through standard stem cutting methods. The improved resistance to leaf burn and scorch is an inherent trait of the mutation that requires no additional intervention or complex propagation techniques.
Solution Approach 2:
The mutation changed physiological parameters related to leaf tissue tolerance, resulting in improved resistance to leaf burn and scorch. The asexual propagation method maintains these improved parameters consistently across all propagated plants.
3Stability of the object's composition
If asexual propagation by stem cuttings is used, then genetic consistency is maintained, but the time to establish new plants increases
Solution Approach 1:
The plants propagate themselves through natural rooting of stem cuttings without requiring complex tissue culture or genetic engineering procedures. The rooting process occurs naturally in 14-18 days, maintaining genetic uniformity while minimizing time investment.
Solution Approach 2:
The propagation time parameter is optimized to 14-18 days for root initiation, which is a reasonable timeframe that balances genetic consistency maintenance with efficient propagation. This natural rooting rate provides a practical balance between genetic stability and propagation speed.
Data Source
AI summary
Sedum ‘Maestro’ is a new and distinct cultivar of Stonecrop having bluish-green leaves and stems developing to wine red, with deep pinkish flowers valuable as a landscaping specimen, potted plant, or cut flower.