Clematis Evipo101 Compact Growth and Disease Resistance
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Solution Overview
Problem
Clematis plants in commercial cultivation lacked uniform and abundant violet purple flowers, vigorous and compact growth suitable for container culture, and improved disease resistance.
Innovation Solution
A new Clematis variety, 'Evipo101', was developed through controlled crossing of two non-patented seedlings, exhibiting heights of 60 to 80 cm, uniform violet purple flowers, compact growth, and enhanced disease resistance, suitable for nursery culture and container culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional Clematis varieties are used for commercial cultivation, then they can be grown easily, but they lack uniform and abundant violet purple flowers, vigorous and compact growth suitable for container culture, and improved disease resistance
Solution Approach 1:
The patent applies parameter changes by selectively breeding for specific growth parameters (height, vigor, compactness) and floral parameters (color uniformity, flower abundance) to create a new variety that simultaneously achieves container culture suitability and disease resistance. The controlled crossing process modifies genetic parameters to combine desirable traits from parent plants.
2Productivity
If Clematis plants are bred for vigorous growth, then they produce more abundant flowers, but they become less suitable for container culture due to excessive size
Solution Approach 1:
The patent applies local quality by creating a plant with differentiated growth characteristics - vigorous and abundant flowering in the reproductive structures while maintaining compact and controlled vegetative growth. This allows the plant to exhibit high productivity in flower production without excessive overall size that would prevent container culture.
Solution Approach 2:
The breeding process modifies growth parameters to achieve a specific size range (60-80 cm height) that balances flower abundance with container suitability. The controlled crossing adjusts genetic parameters for both vegetative and reproductive growth rates independently.
3Manufacturing precision
If Clematis varieties are selected for uniform flower color, then aesthetic quality improves, but genetic diversity and adaptability may be reduced
Solution Approach 1:
The patent applies parameter changes by stabilizing the flower color parameter (violet purple uniformity) through selective breeding while maintaining genetic robustness for environmental adaptability. The controlled crossing process fixes the color phenotype while preserving genetic diversity in other traits that confer disease resistance and growth adaptability.
Data Source
AI summary
A new Clematis plant with a compact growth habit, profuse, violet purple flowers, and continuous summer flowering. The variety successfully propagates from softwood cuttings and is suitable for cultivation in commercial nursery culture. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation from vegetative cuttings.