Hydrangea Jane Compact Growth Strong Stems
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Solution Overview
Problem
There is a need for compact Hydrangea plants with strong stems and attractive leaf and flower coloration that can reproduce true to type through asexual reproduction, as existing cultivars may vary in phenotype with environmental conditions and lack the desired compactness and stem strength.
Innovation Solution
The development of Hydrangea paniculata 'Jane' through planned breeding, which exhibits a compact, upright growth habit, strong stems, and unique flower coloration, achieved through open-pollination and stabilized via asexual reproduction using softwood cuttings, distinguishing it from parent cultivars like 'Limelight Variegated' and 'Little Lamb'.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing Hydrangea cultivars are used, then they may have attractive leaf and flower coloration, but they lack compact growth habit and strong stems
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific morphological parameters - compact plant habit, stem thickness, and internode length - to create a new cultivar that simultaneously achieves both compactness and stem strength, resolving the contradiction between these two features
2Reliability
If existing Hydrangea cultivars are propagated, then they can be reproduced, but they show phenotype variation with environmental conditions
Solution Approach 1:
The patent applies the inversion principle by reversing the typical breeding approach - instead of selecting for environmental adaptability and accepting phenotype variation, the breeder specifically selected for phenotype stability and uniformity, using controlled breeding and selection to fix desirable traits and eliminate environmental variability
3Volume of moving object
If Hydrangea plants are bred for compactness, then plant size is reduced, but flower inflorescence size may be compromised
Solution Approach 1:
The patent applies local quality by differentiating between overall plant compactness and local inflorescence development - the cultivar maintains a compact growth habit at the plant level while producing large, showy inflorescences at the flower level, achieving both desired traits through selective breeding
Data Source
AI summary
A new and distinct cultivar of Hydrangea plant named ‘Jane’, characterized by its compact, upright and mounded plant habit; freely branching habit; strong and sturdy stems that hold inflorescences upright; and large mophead-type inflorescences with numerous light green-colored sterile flowers that with development become greyed purple in color.