Clematis Evipo089 Compact Growth and Disease Resistance
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Solution Overview
Problem
Clematis plants in commercial cultivation lacked uniform and abundant dark violet purple flowers, vigorous and compact growth suitable for container culture, and improved disease resistance.
Innovation Solution
A new Clematis variety 'Evipo089' was developed through controlled crossing, exhibiting dark violet purple flowers, compact growth, and enhanced disease resistance, achieved through asexual reproduction by vegetative cuttings and traditional layering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional clematis varieties are used for commercial cultivation, then they have been available for gardening use, but they lack uniform and abundant dark violet purple flowers, vigorous and compact growth suitable for container culture, and improved disease resistance
Solution Approach 1:
The patent applies parameter changes by creating a new variety with modified growth habits and disease resistance characteristics through controlled hybridization. The new variety 'Evipo089' exhibits compact growth habit, dark violet purple flower color, and improved disease resistance compared to parent varieties, demonstrating changes in multiple parameters simultaneously to resolve the contradiction between reliability and adaptability
2Productivity
If clematis plants are bred for vigorous growth, then they produce more abundant flowers, but they may become less compact and less suitable for container culture
Solution Approach 1:
The new variety 'Evipo089' achieves both vigorous flower production and compact growth through controlled hybridization that modifies growth parameters. The plant produces abundant dark violet purple flowers while maintaining a compact habit suitable for containers, resolving the contradiction between productivity and volume through selective breeding for specific parameter combinations
3Manufacturing precision
If clematis plants are bred for uniform flower color, then they achieve consistent appearance, but they may lose genetic diversity and disease resistance
Solution Approach 1:
The patent resolves this contradiction by creating a new variety with uniform dark violet purple flower color through controlled hybridization while simultaneously introducing improved disease resistance from the parent varieties. The selective breeding process modifies color parameters for uniformity while maintaining or enhancing resistance parameters, achieving both goals simultaneously
Data Source
AI summary
A new Clematis plant with a compact growth habit, profuse, dark 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.