Compact Hydrangea Cultivar With Strong Stems and Double Flowers
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Solution Overview
Problem
Existing Hydrangea plants lack compact and strong growth habits with attractive inflorescences and good postproduction longevity, and there is a need for new cultivars that address these traits.
Innovation Solution
Development of a new Hydrangea cultivar, 'HORE9306', which exhibits compact, upright to broadly spreading growth, strong and sturdy stems, freely branching habit, and double-type sterile flowers with pale purple color, achieved through controlled cross-pollination and asexual reproduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing Hydrangea plants are used, then they may have large size and vigorous growth, but they lack compactness and strong growth habit
Solution Approach 1:
The patent applies parameter changes by selecting and breeding Hydrangea plants with specific genetic parameters that result in compact size (plant height 30-60 cm) and strong growth habit. The breeding program modifies physical parameters such as plant dimensions, stem strength, and branching patterns to achieve the desired compact and strong growth characteristics.
2Shape
If existing Hydrangea plants are used, then they may have simple flower structure, but they lack attractive inflorescences and good postproduction longevity
Solution Approach 1:
The breeding program changes genetic parameters to produce inflorescences with double-type sterile flowers featuring pale purple coloration. It also modifies plant parameters to extend postproduction longevity, ensuring the inflorescences maintain attractive appearance and structural integrity for extended periods after production.
3Shape
If Hydrangea plants are bred for compactness, then plant size decreases, but growth vigor may be reduced
Solution Approach 1:
The patent resolves this contradiction by carefully selecting and combining genetic parameters that achieve compactness (reduced plant height) while maintaining adequate growth vigor through controlled breeding. The breeding program adjusts multiple parameters simultaneously to balance compact size with sufficient growth strength and health.
Data Source
AI summary
A new and distinct cultivar of Hydrangea plant named ‘HORE9306’, characterized by its relatively compact, upright to broadly spreading plant habit; relatively moderately vigorous growth habit; freely branching habit; strong and sturdy stems; freely flowering habit; panicles with double-type sterile flowers that are pale purple in color; and good postproduction longevity.

