Hydrangea Hokomabebos Picotee Sepals Dark Foliage
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Solution Overview
Problem
Current Hydrangea macrophylla cultivars lack bicolor inflorescences with light-colored centers and dark foliage, limiting aesthetic and horticultural diversity in landscape and container gardening.
Innovation Solution
Development of the new cultivar 'Hokomabebos' through controlled crossing, featuring large mophead inflorescences with picotee sterile sepals and dark-colored leaves, achieved via asexual propagation by stem cuttings, which reproduces true to type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing Hydrangea macrophylla cultivars are used, then foliage color and inflorescence color are available, but bicolor inflorescences with light-colored centers and dark foliage are not achieved
Solution Approach 1:
The patent applies parameter changes by selectively breeding for specific color parameters - changing the inflorescence color from solid pink to bicolor with white centers and pink-red edges, and foliage color from green to dark blue-purple. This resolves the contradiction by achieving aesthetic diversity through precise color parameter modification while maintaining stability through controlled breeding parameters.
Solution Approach 2:
The patent creates a composite color effect by combining different color characteristics from parent plants - the female parent contributes dark foliage and the male parent contributes picotee inflorescence characteristics. This composite approach achieves bicolor inflorescences with stable inheritance, resolving the contradiction between aesthetic diversity and color stability.
2Adaptability or versatility
If new cultivars with bicolor inflorescences and dark foliage are developed, then aesthetic appeal is enhanced, but breeding complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct phases: selecting parent plants with specific traits, controlled crossing, and systematic evaluation of offspring. This segmented approach manages complexity by breaking down the breeding process into manageable steps while achieving the desired aesthetic characteristics.
Solution Approach 2:
The patent uses controlled crossing as an intermediary mechanism between the parent plants and the desired cultivar characteristics. By using controlled pollination as a mediator, the breeding program systematically combines traits from female and male parents to produce stable bicolor inflorescences and dark foliage, managing complexity through a structured intermediary process.
3Reliability
If asexual propagation by stem cuttings is used, then true-to-type reproduction is achieved, but propagation time is required
Solution Approach 1:
The patent applies self-service by using stem cuttings that can root and reproduce the plant autonomously without sexual reproduction. This asexual propagation method ensures true-to-type reproduction by directly replicating the parent plant's genetics, resolving the contradiction between reliability and time loss through a self-reproducing propagation mechanism.
Data Source
AI summary
A new cultivar of Hydrangea macrophylla plant named ‘Hokomabebos’ that is characterized by its large mophead inflorescences, its inflorescences with sterile sepals that are picotee (bicolor) with white centers and pink-red edges, its dark colored leaves, and its suitability for growing in containers.