Sutera Cultivar DANGUL16 Breeding for Compact Habit and Large Flowers

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Solution Overview

Problem

There is a need for a new Sutera cultivar with large, lavender flowers and a trailing, compact growth habit that can thrive in various climate zones, particularly in zones 9 and 10, where existing cultivars may not meet these specific characteristics effectively.

Innovation Solution

The development of the Sutera cultivar 'DANGUL16' through controlled breeding, combining traits from 'CV-3-86' and 'OP21', resulting in larger lavender flowers and a more compact growth habit, suitable for hanging baskets and ground cover, with a unique combination of characteristics such as 5-petalled flowers, early flowering response, and adaptability to full sunlight and slight shade.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of moving object

If Sutera cultivars are bred for large flower size, then flower diameter increases, but growth habit becomes less compact

Engineering Contradiction:

Improveflower sizeVSAvoidgrowth habit

Core Design Contradiction:

Area of moving objectVSShape

Solution Approach 1:

The breeding program systematically varied genetic parameters through controlled crosses between 'CV-3-86' and 'OP21' to achieve the optimal combination of large flower size (2.4 cm diameter) and compact growth habit (10 cm height, 40 cm spread), fixing these traits in the 'DANGUL16' cultivar

Inventive Principle:

Principle #35Parameter changes

2Shape

If Sutera cultivars are bred for compact growth habit, then plant height and spread decrease, but flower size may be reduced

Engineering Contradiction:

Improvegrowth habitVSAvoidflower size

Core Design Contradiction:

ShapeVSArea of moving object

Solution Approach 1:

Through controlled breeding between specific parental cultivars, the program achieved the optimal parameter combination of compact dimensions (10 cm height, 40 cm spread) while maintaining large flower size (2.4 cm diameter), with these traits firmly fixed through successive generations of asexual reproduction

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If Sutera cultivars are developed for hanging basket use, then compact growth habit is required, but flower size may be compromised

Engineering Contradiction:

Improvesuitability for hanging basketsVSAvoidflower size

Core Design Contradiction:

Adaptability or versatilityVSArea of moving object

Solution Approach 1:

The cultivar was bred with specific parameters optimized for hanging basket containers: compact growth habit (10 cm height, 40 cm spread) for container confinement while producing large (2.4 cm diameter) lavender flowers that provide visual impact in the limited space of hanging baskets

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUSPP18118P2Sutera plant named 'DANGUL16'

Publication Date: 2007.10.09 DANZIGER - DAN FLOWER FARM

AI summary

A new and distinct Sutera plant named ‘DANGUL16’ particularly characterized by 5-petalled flowers, measuring 2.4 cm in diameter and lavender in color with a yellow-orange colored throat; vigorous growth which maintains a trailing, compact growth habit; early flowering response, suitable for use with hanging basket planters, combination planters and ground cover under full sunlight-and slight shade.