Clematis UNAI 005 Breeding for Continuous Flowering and Disease Resistance

Solution Overview

Problem

Existing Clematis jackmanii varieties lack continuous long-season flowering and sufficient resistance to diseases and pests, limiting their horticultural performance and durability.

Innovation Solution

The development of the Clematis jackmanii 'UNAI 005' cultivar, which exhibits continuous flowering from May to September, excellent disease and pest resistance, and unique tepal coloration, along with a compact growth habit suitable for container production, achieved through a breeding program focusing on these traits.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of moving object

If Clematis jackmanii varieties are bred for continuous long-season flowering, then flowering duration is improved, but resistance to diseases and pests deteriorates

Engineering Contradiction:
Core Design Contradiction:
Duration of action of moving objectVSReliability

Solution Approach 1:

The breeding program systematically varied genetic parameters through controlled crosses between different Clematis jackmanii accessions, selecting for the specific combination of continuous flowering capability and disease resistance that defines the 'UNAI 005' cultivar

Inventive Principle:
Principle #35Parameter changes

2Quantity of substance

If Clematis jackmanii varieties are bred for abundant flowering, then flower quantity is improved, but plant compactness deteriorates

Engineering Contradiction:
Core Design Contradiction:
Quantity of substanceVSVolume of moving object

Solution Approach 1:

The 'UNAI 005' cultivar exhibits local quality differentiation with dense flower production concentrated in the upper canopy and lateral branches, while maintaining a compact overall plant architecture suitable for container cultivation

Inventive Principle:
Principle #3Local quality

Data Source

PatentUSPP22652P2Clematis plant named UNAI 005
Publication Date: 2012.04.17
  • USPP22652P2 patent drawing
  • USPP22652P2 patent drawing

AI summary

A new and distinct Clematis cultivar named ‘UNAI 005’ is disclosed, characterized by good resistance to normal diseases and pests of Clematis, continuous flowering from May through September, with flower buds continuously produced from the leaf axils and a unique tepal coloration of Violet with a Red-Purple central bar. Plants are exceptionally floriferous and compact, making them especially well suited for container production. The new cultivar is a Clematis, suitable for ornamental garden purposes.