Avantgarde Hydrangea Breeding for Cooling-Free Flowering
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing Hydrangea macrophylla cultivars often require cooling treatments for flower development and have limitations in stem strength, flower size, and inflorescence size, which restricts their growth and flowering performance.
Innovation Solution
The development of 'Avantgarde', a new Hydrangea macrophylla cultivar with strong and sturdy stems, large mophead-type inflorescences, and light red-purple flowers, which does not require cooling treatment for flower development, resulting from a controlled breeding program combining proprietary selections of Hydrangea macrophylla code numbers 206155-01 and 206014.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If existing Hydrangea macrophylla cultivars are used, then they can be grown and flowered, but they require cooling treatments for flower development which increases production time and complexity
Solution Approach 1:
The patent applies parameter changes by selecting and breeding plants with altered physiological parameters - specifically, 'Avantgarde' has been bred to have a different vernalization requirement parameter compared to existing cultivars. This genetic parameter change allows the plant to flower without cooling treatment, directly resolving the contradiction between production time and treatment complexity.
2Strength
If existing Hydrangea macrophylla cultivars are used, then they can produce flowers, but the stems are weak and inflorescences are small which limits growth performance
Solution Approach 1:
The patent applies universality by breeding a single cultivar 'Avantgarde' that simultaneously achieves multiple improved traits - strong sturdy stems, large inflorescences, and freedom from cooling requirements. This multi-functional improvement in one cultivar resolves the contradiction between stem strength and productivity that plagues existing cultivars.
3Volume of moving object
If existing Hydrangea macrophylla cultivars are used, then they can flower, but the flower size and inflorescence size are limited which restricts commercial value
Solution Approach 1:
The patent applies composite materials principle metaphorically by combining genetic traits from different parent selections (code numbers 206155-01 and 206014) to create a composite genotype in 'Avantgarde'. This genetic composite results in the simultaneous expression of large flower size and large inflorescence size, resolving the contradiction between individual flower volume and overall inflorescence productivity.
Data Source
AI summary
A new and distinct cultivar of Hydrangea plant named ‘Avantgarde’, characterized by its upright plant habit; strong and sturdy stems; freely flowering habit with numerous sterile flowers per inflorescence; large mophead-type inflorescences with light red purple-colored flowers; and short production time as a cooling treatment is not required for flower development.