Zonal Geranium OGLGER4090 Breeding for Trait Stability
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Solution Overview
Problem
There is a need for new Zonal Geranium cultivars with attractive leaf and unique flower coloration that can exhibit stable and reproducible traits across varying environmental conditions and cultural practices.
Innovation Solution
The development of the new Zonal Geranium cultivar 'OGLGER4090' through planned breeding, combining the traits of Pelargonium×hortorum 'Pacwu' as the female parent and a proprietary selection of Pelargonium×hortorum as the male parent, resulting in a plant with an upright, spreading habit, medium green leaves, and light red purple flowers, which are stable and reproduce true to type through vegetative terminal cuttings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If new Zonal Geranium cultivars are developed through planned breeding to achieve unique flower and leaf coloration, then the attractiveness and uniqueness of the cultivar is improved, but the stability and reproducibility of traits across generations may be compromised
Solution Approach 1:
The patent applies preliminary action by conducting controlled cross-pollination in a planned breeding program before mass propagation. The inventor selected specific parent plants with desirable traits, performed controlled crossing in March 2003, and selected the superior offspring in March 2004 before initiating vegetative propagation in April 2005. This preliminary selection and controlled breeding ensures that the unique coloration traits are established and stabilized before widespread reproduction, resolving the contradiction between creating unique varieties and ensuring trait stability.
2Stability of the object's composition
If Zonal Geranium plants are propagated through vegetative terminal cuttings to maintain genetic consistency, then the stability of traits is improved, but the ability to adapt to varying environmental conditions and cultural practices may be limited
Solution Approach 1:
The patent addresses this contradiction by selecting parent plants with inherently high adaptability parameters. The female parent 'Pacwu' and male parent selection 9007 were chosen not only for their coloration traits but also for their demonstrated adaptability to varying environmental conditions. The resulting cultivar 'OGLGER4090' inherits these adaptive parameters while maintaining genetic consistency through vegetative propagation, allowing the plant to tolerate a range of temperatures and cultural practices while reproducing true to type.
3Reliability
If the breeding program focuses on creating cultivars with high temperature tolerance for good garden performance, then the garden performance is improved, but the complexity of the breeding program increases
Solution Approach 1:
The patent applies self-service by selecting parent plants that already possess high temperature tolerance and good garden performance traits, rather than attempting to develop these traits from scratch. The female parent 'Pacwu' and male parent selection 9007 were pre-selected for their adaptability and temperature tolerance, allowing the breeding program to leverage existing adaptive capabilities. This approach reduces breeding program complexity while achieving reliable garden performance in the resulting cultivar.
Data Source
AI summary
A new and distinct cultivar of Zonal Geranium plant named ‘OGLGER4090’, characterized by its upright, outwardly spreading and mounded plant habit; moderately vigorous growth habit; freely branching habit; freely flowering habit; medium green-colored leaves; light red purple-colored flowers; and good garden performance and high temperature tolerance.