Clematis Evipo107 Compact Growth and Disease Resistance
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Solution Overview
Problem
Clematis plants in commercial cultivation lacked uniform and abundant white flowers, compact growth suitable for container culture, and improved disease resistance, which are essential qualities for nursery culture.
Innovation Solution
A new Clematis variety, 'Evipo107', was developed through controlled crossing, exhibiting a mounding growth habit, white tepals, and improved disease resistance, achieved by asexual reproduction methods like vegetative cuttings and layering, demonstrating vigorous and compact growth suitable for container culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If traditional Clematis cultivars are used for commercial cultivation, then they have climbing growth habit, but they lack uniform and abundant white flowers and compact growth suitable for container culture
Solution Approach 1:
The patent applies parameter changes by selectively breeding for specific growth habit parameters (mounding vs. climbing) and flower parameters (white color, uniformity, abundance). The hybridization process modifies genetic parameters to achieve the desired combination of compact mounding growth and uniform white flowers, directly resolving the contradiction between growth habit and flower quality.
2Volume of moving object
If traditional Clematis cultivars are used, then they have larger size, but they are not suitable for container culture due to lack of compact growth
Solution Approach 1:
The invention changes the size parameter by breeding for compact growth with reduced height (35 cm) and spread (35 cm) compared to traditional climbing Clematis. This parameter modification enables the plant to adapt to container culture while maintaining vigorous growth, directly resolving the contradiction between plant size and adaptability to container culture.
3Reliability
If traditional Clematis cultivars are used for commercial cultivation, then they are already established, but they lack improved disease resistance
Solution Approach 1:
The patent improves the reliability parameter by incorporating enhanced disease resistance through hybridization between selected parent plants. The new variety 'Evipo107' demonstrates improved resistance to Clematis wilt and Ascochyta clematidina compared to many commercial cultivars, while remaining easy to propagate through cuttings and layering, thus resolving the contradiction between disease resistance and ease of commercial cultivation.
Data Source
AI summary
A new Clematis plant with a very compact growth habit, profuse, white 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.