Clematis Evipo085 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, 'Evipo085', was developed through controlled crossing, exhibiting violet-purple flowers, compact growth, and enhanced disease resistance, achieved through asexual reproduction by vegetative cuttings and traditional layering.

Engineering Contradictions & Design Principles

VSEngineering 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 violet-purple flowers, vigorous and compact growth suitable for container culture, and improved disease resistance

Engineering Contradiction:

Improvedisease resistanceVSAvoidsuitability for container culture

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent applies parameter changes by selectively breeding for specific growth parameters (compact size, vigorous growth) and floral parameters (uniform violet-purple color, abundant flowers). The new variety 'Evipo085' exhibits changed parameters compared to traditional cultivars: compact growth habit suitable for containers, enhanced disease resistance, and uniform abundant violet-purple flowers, resolving the contradictions between these desirable traits and traditional cultivar limitations

Inventive Principle:

Principle #35Parameter changes

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

Engineering Contradiction:

Improveflower abundanceVSAvoidplant height

Core Design Contradiction:

ProductivityVSLength of stationary object

Solution Approach 1:

The patent applies local quality by creating a variety with differentiated growth characteristics in different parts of the plant. The 'Evipo085' variety exhibits compact overall plant architecture (suitable for containers) while simultaneously producing abundant flowers (high productivity). This resolves the contradiction by having the plant be compact in stature but prolific in flower production, achieving both container suitability and high flower abundance

Inventive Principle:

Principle #3Local quality

3Reliability

If Clematis plants are bred for disease resistance, then they survive better in cultivation, but they may lose other desirable qualities

Engineering Contradiction:

Improvedisease resistanceVSAvoidaesthetic quality

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent applies composite materials by creating a composite genotype that combines multiple desirable traits: disease resistance, compact vigorous growth, and uniform abundant violet-purple flowers. The new variety 'Evipo085' is a composite of selected parental characteristics that together produce a plant with both improved reliability (disease resistance) and maintained aesthetic quality (attractive flowers), resolving the contradiction between disease resistance and aesthetic quality

Inventive Principle:

Principle #40Composite materials

Data Source

PatentUS20200084941P1Clematis plant named 'Evipo085'

Publication Date: 2020.03.12 POULSEN ROSER

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.