Crane Dance Hardy Geranium Hybrid Trait Combination
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Solution Overview
Problem
There is a lack of a Hardy Geranium cultivar that combines specific traits such as round, dark-green foliage with a purple overlay, bluish-purple flowers, vigorous growth, and bright reddish fall coloration, which are not found in existing varieties like 'Espresso', 'Elizabeth Ann', 'Midnight Clouds', and 'Midnight Blues'.
Innovation Solution
The development of the 'Crane Dance' cultivar, which is a hybrid of Geranium maculatum 'Espresso' and 'Elizabeth Ann', exhibiting unique characteristics including deeply cleft, palmately lobed foliage, bluish-purple flowers, and vibrant fall coloration, achieved through asexual propagation and selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing Hardy Geranium varieties are used, then they have established characteristics, but they lack the specific combination of traits (round dark-green foliage with purple overlay, bluish-purple flowers, vigorous growth, and bright reddish fall coloration)
Solution Approach 1:
The patent combines traits from two parent varieties (Geranium maculatum 'Espresso' and Geranium maculatum 'Elizabeth Ann') through hybridization to create a new cultivar that exhibits a unique combination of characteristics including round dark-green foliage with purple overlay, bluish-purple flowers, vigorous growth, and bright reddish fall coloration that neither parent possesses alone
Solution Approach 2:
The hybridization process changes the genetic parameters of the parent plants to produce offspring with novel trait combinations, specifically achieving a unique foliage color composition (dark-green with purple overlay), flower color (bluish-purple), growth rate (vigorous), and fall coloration (bright reddish) that represent parameter changes from the parents
2Adaptability or versatility
If a new cultivar is developed through hybridization, then unique trait combinations are achieved, but the development process requires time and multiple generations of selection
Solution Approach 1:
The patent performs preliminary selection of parent plants with desirable characteristics before hybridization, and conducts systematic evaluation of offspring generations to accelerate the breeding process. The method includes preliminary crossing design, systematic seedling evaluation, and selective propagation to reduce the time required to develop the new cultivar
3Stability of the object's composition
If asexually propagated plants are produced, then genetic stability is maintained, but the propagation process requires separation of rhizomes and multiple generations of evaluation
Solution Approach 1:
The patent utilizes the plant's natural rhizome division capability for asexual propagation, allowing the plant to self-replicate while maintaining genetic stability. The method leverages the plant's inherent growth pattern where rhizomes naturally separate and form new plants, reducing the need for complex artificial propagation techniques
Data Source
AI summary
The new and distinct hybrid of Hardy Geranium plant named ‘Crane Dance’ with palmately-lobed, deeply cleft foliage having deep green color with purple overlay and developing to brilliant reddish in the fall. The plant has numerous, densely-branched, stiff, erect, umbels with bluish-purple flowers displayed for two to three weeks beginning early summer. The new plant is vigorous and produces large upright mounded clumps suitable for landscape use in full-sun to medium-shaded garden.