Tecomaria DWRE001 Cultivar Compact Habit Red Flowers

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Solution Overview

Problem

There is a need for a new cultivar of Tecomaria capensis that exhibits a compact plant habit, small size, and red flowers, which are distinct from existing cultivars in terms of flower color and plant size, while being stable through asexual propagation.

Innovation Solution

A new cultivar 'DWRE001' of Tecomaria capensis, derived from a controlled breeding program, characterized by a compact plant habit, small size, and red flowers, achieved through asexual propagation by stem cuttings, distinguishing it from other cultivars like 'Riot Red' and 'Lutea' in terms of flower color and plant size.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If asexual propagation by stem cuttings is used, then the characteristics of the new cultivar are stable and reproduced true to type, but the process requires specific propagation techniques and time

Engineering Contradiction:
Improvestability of cultivar characteristicsVSAvoidpropagation time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The patent applies asexual propagation through stem cuttings to create genetic copies of the selected parent plant. This copying process ensures that the cultivar's distinctive characteristics (compact habit, small size, red flowers) are reproduced true to type in successive generations, resolving the contradiction by maintaining stability while accepting the time required for propagation.

Inventive Principle:
Principle #26Copying

2Volume of moving object

If the plant size is reduced to small size, then the compact plant habit is achieved, but the growth rate may be limited

Engineering Contradiction:
Improveplant sizeVSAvoidgrowth rate
Core Design Contradiction:
Volume of moving objectVSProductivity

Solution Approach 1:

The patent utilizes parameter changes in the breeding program to select for a compact plant habit while maintaining moderate to vigorous growth rate. By carefully controlling and changing growth parameters during propagation and cultivation, the cultivar achieves small plant size with maintained productivity, resolving the contradiction between size reduction and growth rate.

Inventive Principle:
Principle #35Parameter changes

3Ease of manufacture

If red flower color is selected, then the distinct flower color is achieved, but the flower color may differ from parent plants

Engineering Contradiction:
Improveflower color distinctivenessVSAvoidflower color stability
Core Design Contradiction:
Ease of manufactureVSStability of the object's composition

Solution Approach 1:

The patent applies local quality by selecting and propagating plants with specific red flower color characteristics that differ from the orange-red and lighter red parent plants. This localized selection for a specific color phenotype, combined with asexual propagation, ensures both distinctiveness and stability of the red flower color in the new cultivar.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUSPP31200P2<i>Tecomaria </i>plant named ‘DWRE001’
Publication Date: 2019.12.10 DE WET CHARLES ANDREW
  • USPP31200P2 patent drawing

AI summary

A new cultivar of Tecomaria capensis named ‘DWRE001’, that is characterized by its compact plant habit, its small plant size, and its flowers that are red in color.