Hydrangea macrophylla cultivar with lacecap flowers and high rooting rate
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Solution Overview
Problem
There is a need for a new cultivar of Hydrangea macrophylla that exhibits a remontant blooming habit, compact plant habit, improved rooting rate, and distinct floral characteristics, as existing cultivars like 'Frau Reiko' lack these traits.
Innovation Solution
The development of 'Dancing Butterflies Two', a lacecap type Hydrangea with light pink flowers, white-margined sterile sepals, and high rooting efficiency, achieved through asexual reproduction using softwood stem cuttings, which differs from its parent 'Frau Reiko' and other similar cultivars in terms of blooming habit, compactness, and rooting rate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If asexual reproduction is achieved through softwood stem cuttings, then the rooting rate is improved to at least 95%, but the propagation time and effort increase
Solution Approach 1:
The cutting propagation method allows the plant to reproduce itself through natural rooting processes, with the cutting automatically developing roots and new growth without requiring complex external intervention or specialized equipment, thereby achieving high reliability while minimizing time investment
2Duration of action of moving object
If the plant exhibits a remontant blooming habit, then the blooming duration is extended from May until frost, but the energy consumption and resource allocation increase
Solution Approach 1:
The remontant blooming habit enables the plant to flower in multiple periodic cycles throughout the season rather than once, allowing it to allocate energy in periodic bursts corresponding to each blooming wave, thus extending the effective blooming duration while managing energy consumption through periodic rather than continuous resource allocation
3Volume of moving object
If the plant has a compact habit, then the space occupancy is reduced, but the branching complexity increases to at least 30% more branching
Solution Approach 1:
The compact plant habit is achieved through increased segmentation into numerous smaller branches rather than fewer larger ones, creating a finer division of the plant structure that reduces overall volume while increasing the number of branching points, thereby achieving space efficiency through segmented architecture
Data Source
AI summary
A new cultivar of Hydrangea macrophylla named ‘Dancing Butterflies Two’ that is characterized by its remontant (re-blooming) habit, blooming from May until frost, its lacecap type inflorescences with single sterile flowers surrounding a mass of fertile flowers, its flowers that are light pink in color in color when grown with a soil PH of 7 or above, its sterile flowers with sepals that have a white margin on the sepals, and its cutting rooting rate that is at least 95%.