Regal Geranium Cultivar Regorch Breeding for Cooling-Free Flowering
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Solution Overview
Problem
Existing Regal Geranium cultivars require cooling treatment for flowering, limiting their early flowering capabilities and uniformity under varying environmental conditions.
Innovation Solution
A new cultivar, 'Regorch' (Pelargonium grandiflorum), developed through planned breeding, exhibits an upright and vigorously growing habit with freely basal branching, producing light purple and red purple bi-colored, ruffled flowers without the need for cooling treatment, featuring larger and more uniform flower umbels with longer peduncles compared to 'Regli'.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cooling treatment is applied for flower development, then flower formation is achieved, but early flowering capability is limited and plant uniformity is reduced
Solution Approach 1:
The patent applies parameter changes by modifying the thermal requirements for flowering. The new cultivar 'Regorch' has been bred to eliminate the need for cooling treatment (temperature parameter change) while maintaining reliable flowering. This allows the plant to flower under normal temperature conditions, achieving early flowering without sacrificing flowering consistency.
2Reliability
If cooling treatment is required for flowering, then flower development is ensured, but adaptability to varying environmental conditions is reduced
Solution Approach 1:
The invention changes the environmental parameter requirements by breeding a cultivar that does not require cooling treatment for flowering. This parameter change enables the plant to adapt to varying environmental conditions including warmer climates, while still ensuring reliable flower development through its modified physiological characteristics.
3Stability of the object's composition
If traditional breeding selections are used, then existing flower characteristics are maintained, but uniformity under varying environmental conditions is reduced
Solution Approach 1:
The patent applies parameter changes in the breeding program by selecting and stabilizing specific phenotypic parameters (uniformity, flower characteristics) while maintaining genetic stability. The new cultivar 'Regorch' exhibits improved phenotypic uniformity across different environmental conditions while retaining the genetic integrity of the Pelargonium grandiflorum species.
Data Source
AI summary
A new and distinct Regal Geranium plant named ‘Regorch’, characterized by its upright and uniformly rounded plant habit; vigorous growth habit; freely basal branching habit; early and freely flowering habit; light purple and red purple bi-colored ruffled flowers that are held above the foliar plane on strong peduncles; and no requirement for cooling treatment for flower development.