Nemesia Easter Bonnet Bi-Colored Flower Breeding

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Solution Overview

Problem

There is a need for new Nemesia plant varieties that exhibit compact habit and unique flower colors and combinations, as existing varieties lack diversity in growth habit and flower color, and current breeding programs have not successfully produced such traits effectively.

Innovation Solution

The development of the 'Easter Bonnet' cultivar of Nemesia foetens, which results from a controlled cross-pollination program, featuring a compact upright habit, bi-colored flowers with a soft lavender pink upper petal and creamy white lower petal, and a prominent orange-yellow eye, along with fragrant and long-blooming flowers, achieved through asexual propagation using softwood cuttings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing Nemesia varieties are used, then they can be grown in gardens and containers, but they lack diversity in growth habit and flower color

Engineering Contradiction:

Improvegrowth habit diversityVSAvoidflower color uniformity

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The breeding program systematically varied genetic parameters through controlled cross-pollination between different Nemesia selections, selecting for specific combinations of growth habit parameters (compactness, upright orientation) and flower color parameters (bi-colored patterns, eye prominence) to create a stable new variety with diverse yet uniform characteristics

Inventive Principle:

Principle #35Parameter changes

2Adaptability or versatility

If breeding programs focus on producing new varieties with compact habit and new flower colors, then trait diversity improves, but breeding complexity and time increase

Engineering Contradiction:

Improveflower color varietyVSAvoidbreeding program complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The breeding program began in 1998 with preliminary selection of parent plants exhibiting desired traits (compact growth, interesting flower colors), followed by controlled cross-pollination in 2011, and selection of superior offspring in 2012. This staged approach allowed systematic development of the new variety while managing breeding program complexity through careful planning and sequential execution

Inventive Principle:

Principle #10Preliminary action

3Adaptability or versatility

If new Nemesia varieties with compact habit are developed, then they are more suitable for containers and borders, but propagation stability may be compromised

Engineering Contradiction:

Improvecontainer suitabilityVSAvoidpropagation fidelity

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The new variety 'Easter Bonnet' exhibits self-service characteristics through its stable genetic composition that naturally maintains compact upright habit and bi-colored flower traits through asexual propagation via softwood cuttings, eliminating the need for complex maintenance or intervention to preserve its distinctive characteristics

Inventive Principle:

Principle #25Self-service

Data Source

PatentUSPP27218P3<i>Nemesia </i>plant named ‘Easter Bonnet’

Publication Date: 2016.09.27 TELLWRIGHT MARTINE

AI summary

A new Nemesia plant particularly distinguished by a prolific display of bi-colored flowers whose upper petal is soft lavender pink and lower petal is a contrasting cream white with a prominent orange-yellow eye, and strongly fragrant flowers, is disclosed.