Clematis Evipo063 Compact Growth and Disease Resistance
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Solution Overview
Problem
Clematis plants in commercial cultivation lacked uniform and abundant white and red-purple flowers, vigorous and compact growth suitable for container culture, and improved disease resistance.
Innovation Solution
A new Clematis variety, 'Evipo063', was developed through controlled crossing of two non-patented seedlings, exhibiting white flowers with a red-purple central bar, vigorous and compact growth, and enhanced disease resistance, achieved through asexual reproduction by vegetative cuttings and layering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional clematis cultivars are used for commercial cultivation, then they have been available for gardening purposes, but they lack uniform and abundant white and red-purple flowers, vigorous and compact growth suitable for container culture, and improved disease resistance
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific growth parameters (compact habit, vigorous growth) and floral parameters (uniform white and red-purple coloration, abundant flowering) to create a cultivar that simultaneously improves disease resistance and container culture suitability. The controlled crossing program specifically targeted these parameter combinations that were lacking in existing cultivars.
2Manufacturing precision
If traditional clematis cultivars are used, then they have historical cultivation experience, but they lack uniform and abundant white and red-purple flowers with specific coloration patterns
Solution Approach 1:
The patent applies local quality by developing flowers with distinct regional color variations - specifically white petals with red-purple central bars and red-purple stamens. This creates a uniform yet differentiated appearance where different parts of the flower have specific color characteristics, achieving both color uniformity across the plant and visual interest through localized color variations.
Solution Approach 2:
The breeding program changed floral parameters to achieve uniform white and red-purple coloration patterns. Through controlled crossing and selection, the cultivar exhibits consistent color parameters across multiple flowers and plants, with specific attention to the white petal background and red-purple central bar differentiation.
3Ease of operation
If existing clematis varieties are cultivated, then they have established growth patterns, but they lack vigorous and compact growth suitable for container culture
Solution Approach 1:
The patent applies parameter changes by selecting for compact growth parameters while maintaining vigorous vitality. The resulting cultivar has a controlled spread parameter that is reduced compared to traditional varieties, making it suitable for container culture, while simultaneously maintaining vigorous growth parameters that ensure healthy development and abundant flowering within the confined space.
Data Source
AI summary
A new Clematis plant with a compact growth habit, profuse, white and red-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.