Hydrangea CAMFRE29 Cultivar with Picotee Sepals
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Solution Overview
Problem
There is a need for a new Hydrangea macrophylla cultivar that exhibits unique characteristics such as deeply serrated and picotee sepals, slight yellow sepals at the early flowering stage, profuse flowering, and purple-edged foliage, which are not consistently observed in existing varieties under varying environmental conditions.
Innovation Solution
The cultivar 'CAMFRE29' is developed through planned breeding, showcasing deeply serrated and picotee sepals, slight yellow sepals at the early flowering stage, profuse flowering, and purple-edged foliage, with stable reproduction through vegetative cuttings, distinguishing it from its seed and pollen parents and commercial counterparts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing Hydrangea macrophylla varieties are used, then general flowering is achieved, but unique characteristics such as deeply serrated and picotee sepals, slight yellow sepals at early flowering stage, and purple-edged foliage are not consistently observed
Solution Approach 1:
The patent applies parameter changes by selectively breeding plants with specific genetic parameters that control sepal morphology (deeply serrated and picotee margins), coloration (yellow at early stage, purple-edged foliage), and flowering characteristics. This genetic parameter selection ensures consistent expression of unique traits across different environmental conditions.
2Manufacturing precision
If new unique characteristics are introduced through breeding, then horticultural value and aesthetic appeal are enhanced, but stability of trait expression across generations must be ensured
Solution Approach 1:
The patent applies preliminary action by performing multiple generations of selective breeding and asexual propagation (vegetative cuttings) before commercial release. This preliminary stabilization process ensures that the unique characteristics are genetically fixed and will be stably reproduced in future generations, as confirmed by the statement that traits are 'stable and reproduced true to type' through propagation.
3Shape
If deeply serrated and picotee sepals with yellow early stage coloration are developed, then aesthetic appeal is improved, but differentiation from seed and pollen parents is required
Solution Approach 1:
The patent applies local quality by focusing on specific local characteristics of the sepal (margins and early-stage coloration) rather than attempting to modify the entire plant uniformly. The deeply serrated and picotee margins, along with yellow early-stage coloration and purple-edged foliage, are targeted local traits that distinguish the new cultivar while maintaining overall plant health and growth patterns.
Data Source
AI summary
A new and distinct cultivar of Hydrangea plant named ‘CAMFRE29’ is disclosed, characterized by lace-cap inflorescences, and violet-blue sepals with deeper purple picotee along a serrated margin. Plants have compact habits, and green foliage with a slight purple tine along the margin. The new variety is a Hydrangea, typically produced as an outdoor ornamental plant.