Calla Lily Cultivar Fursa Breeding for Color Diversity

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Solution Overview

Problem

The existing calla lily varieties lack a wide range of colors and large, classic flower shapes suitable for pot flower production, limiting their diversity and appeal in horticultural applications.

Innovation Solution

A new cultivar of Zantedeschia sprengeri, named 'Fursa', is developed through a breeding program combining 'Summer Sun' and Z041922 selections, characterized by a large yellow spathe with a dark purple throat spot and high inflorescence production, achieved through asexual reproduction by tissue culture.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing calla lily varieties are used, then production is simple, but color diversity and flower shape quality are limited

Engineering Contradiction:

Improvecolor diversityVSAvoidbreeding program complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple parental lines with different desirable traits (color, flower shape, size) through controlled hybridization to create a new cultivar that exhibits superior characteristics not present in any single parent, thereby achieving color diversity and flower shape quality

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The breeding program was initiated in 1989 with the preliminary goal of creating calla lily varieties with diverse colors and large classic flower shapes. The systematic selection and crossing of parental lines 'Summer Sun' and Z041922 over many years represents preliminary action to achieve the desired color diversity and floral characteristics

Inventive Principle:

Principle #10Preliminary action

2Productivity

If traditional breeding methods are used, then genetic diversity is achieved, but breeding time and selection process are lengthy

Engineering Contradiction:

Improveinflorescence productionVSAvoidbreeding program duration

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The patent employs tissue culture technology to create exact genetic copies of the selected cultivar 'Fursa'. This allows rapid multiplication of the superior genotype without the time-consuming process of repeated sexual reproduction and selection, thereby increasing productivity while reducing the time loss associated with traditional breeding cycles

Inventive Principle:

Principle #26Copying

3Stability of the object's composition

If tissue culture is used for asexual reproduction, then genetic consistency is maintained, but production cost increases

Engineering Contradiction:

Improvegenetic consistencyVSAvoidproduction cost

Core Design Contradiction:

Stability of the object's compositionVSEase of manufacture

Solution Approach 1:

The tissue culture process utilizes plant growth regulators (auxins and cytokinins) at specific concentrations to control cell division and differentiation. By optimizing the parameters of hormone concentration, temperature, and culture conditions, the patent achieves high genetic consistency while managing production costs through efficient culture protocols

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUSPP29119P3Variety of calla lily plant named ‘Fursa’

Publication Date: 2018.03.13 SANDE

AI summary

‘Fursa’ is a new variety of calla lily plant having inflorescences with a yellow-colored spathe and throat spot that produces 4-20 inflorescences per tuber. The height of the top of an inflorescence above the soil can reach up to 50 cm, and the leaves are dark green with transparent maculations present and have a leathery texture.