Clematis Evipo083 Compact Growth and Disease Resistance
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Solution Overview
Problem
Clematis plants in commercial cultivation lacked uniform and abundant red-purple flowers, vigorous and compact growth suitable for container culture, and improved disease resistance.
Innovation Solution
A new Clematis variety, 'Evipo083', was developed through controlled crossing of un-named seedlings, exhibiting red-purple tepals, compact growth to 55 cm, and enhanced disease resistance, suitable for nursery culture and container culture, achieved through asexual reproduction by vegetative cuttings and traditional layering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional Clematis varieties are used for commercial cultivation, then they can be grown easily, but they lack uniform and abundant red-purple flowers
Solution Approach 1:
The patent applies parameter changes by selectively breeding for specific floral characteristics including tepal color (red-purple), flower size (100-150mm diameter), and flowering intensity. The new variety 'Evipo083' exhibits uniform red-purple tepals with consistent coloration across all flowers, achieving both abundance and uniformity through controlled genetic parameter selection
2Productivity
If Clematis plants are grown for vigorous growth, then they produce more biomass, but they are not suitable for container culture
Solution Approach 1:
The patent applies local quality by creating a variety with differentiated growth characteristics suitable for specific applications. The new variety 'Evipo083' exhibits vigorous vegetative growth for productivity while maintaining a compact overall form (100-150cm height) with dense foliage, making it adaptable to both ground planting and container culture through its balanced growth architecture
3Reliability
If Clematis varieties are bred for disease resistance, then they survive better, but they may lose other desirable qualities
Solution Approach 1:
The patent applies composite materials by combining multiple desirable traits into a single integrated variety. The new variety 'Evipo083' combines strong disease resistance (particularly to Clematis wilt and viral infections) with high flower production capability (abundant 100-150mm flowers), creating a composite genotype that maintains both reliability and productivity simultaneously
4Duration of action of stationary object
If Clematis plants are grown to full size, then they achieve mature characteristics, but they require more space and are harder to manage
Solution Approach 1:
The patent applies dynamics by creating a variety with flexible growth characteristics. The new variety 'Evipo083' reaches a manageable mature height of 100-150cm with a compact habit, allowing it to maintain stability when mature while remaining easy to manage and relocate. The plant's growth pattern includes regular branching and dense foliage that controls its form, making it adaptable to various growing conditions and container sizes
Data Source
AI summary
A new Clematis plant with a compact growth habit, profuse, 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.