Buddleia UCONNBD604 Compact Habit and Blue-Purple Flower Traits

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Solution Overview

Problem

There is a need for compact Buddleia plants with dense growth habit and attractive flower coloration that can reproduce true to type in successive generations, as existing varieties lack compactness and density, and have varying flower colors and inflorescence lengths.

Innovation Solution

A new Buddleia plant cultivar 'UCONNBD604' was developed through cross-pollination of Buddleia davidii 'Adokeep' and a proprietary selection, exhibiting a compact, upright, and freely branching habit with thick stems, dense inflorescences, and blue-purple flowers, which are stable through asexual reproduction by softwood stem cuttings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If existing Buddleia varieties are used, then flowering habit is maintained, but plant compactness and density are insufficient

Engineering Contradiction:
Improveplant compactnessVSAvoidflowering habit consistency
Core Design Contradiction:
ShapeVSReliability

Solution Approach 1:

The breeding program modified key growth parameters including internode length, stem thickness, and branch density to achieve compact plant architecture while maintaining reliable flowering habits through selective crosses of Buddleia davidii varieties

Inventive Principle:
Principle #35Parameter changes

2Volume of moving object

If Buddleia plants are bred for compactness, then plant size is reduced, but growth density may be compromised

Engineering Contradiction:
Improveplant sizeVSAvoidgrowth density
Core Design Contradiction:
Volume of moving objectVSQuantity of substance

Solution Approach 1:

The invention achieves uniform distribution of branches and foliage throughout the plant volume, creating dense growth habit in all spatial directions while maintaining overall compact plant size through controlled branching patterns

Inventive Principle:
Principle #3Local quality

3Ease of manufacture

If flower color variation is increased for attractiveness, then aesthetic appeal is improved, but color consistency across generations is reduced

Engineering Contradiction:
Improveaesthetic appealVSAvoidcolor consistency
Core Design Contradiction:
Ease of manufactureVSStability of the object's composition

Solution Approach 1:

Asexual reproduction through softwood stem cuttings creates genetically identical copies of the selected plant, ensuring that the unique blue-purple flower coloration and all other characteristics are reproduced true to type in successive generations

Inventive Principle:
Principle #26Copying

Data Source

PatentUSPP28372P3<i>Buddleia </i>plant named ‘UCONNBD604’
Publication Date: 2017.09.12 UNIV OF CONNECTICUT
  • USPP28372P3 patent drawing
  • USPP28372P3 patent drawing

AI summary

A new and distinct cultivar of Buddleia plant named ‘UCONNBD604’, characterized by its relatively compact, upright and outwardly spreading plant habit; freely branching habit and thick stems with short internodes; dense and bushy appearance; leathery and durable leaves; freely flowering habit; broadly conical inflorescences with numerous blue purple-colored flowers; and good garden performance.