Pelargonium peltatum Fix 137 Breeding for Single-Type White Flowers
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Solution Overview
Problem
There is a need for a new cultivar of Pelargonium peltatum that combines desirable traits such as white, single-type flowers with red-purple stripes, deep green glossy foliage, vigorous growth, and early flowering, which are not adequately met by existing varieties like 'Fisnow' and 'Fisbliz', particularly in terms of flower shape, leaf size, and branching habit.
Innovation Solution
The development of Pelargonium peltatum 'Fix 137' through controlled hybridization, which features white, single-type flowers with red-purple stripes, deep green foliage, vigorous growth, and a trailing habit, achieved by crossing a self-pollinated wild Pelargonium peltatum with 'Tornado', resulting in a distinct and stable phenotype suitable for hanging baskets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing varieties like 'Fisnow' and 'Fisbliz' are used, then white flowers are obtained, but the flower shape is not single-type and the petals overlap
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific floral morphology parameters - achieving single-type flowers with non-overlapping petals through controlled hybridization and selection, transforming the flower shape parameters from the overlapping petal structure of parent varieties to the distinct single-type structure of 'Fix 137'
2Shape
If existing varieties are used, then white flowers are obtained, but the leaves are large and the zonation is weak or absent
Solution Approach 1:
The patent changes leaf parameter characteristics by breeding for smaller leaf size and enhanced zonation patterns. The 'Fix 137' variety exhibits smaller leaves with distinct zonation compared to the large leaves with weak or absent zonation in parent varieties, achieving the desired foliage characteristics through selective breeding
3Shape
If existing varieties are used, then white flowers are obtained, but the branching habit is not vigorous and the plant habit is not suitable for hanging baskets
Solution Approach 1:
The patent transforms plant habit parameters through hybridization, creating a variety with vigorous branching and a trailing growth pattern suitable for hanging baskets. The 'Fix 137' exhibits freely branching habits with dense foliage, contrasting with the less vigorous branching of parent varieties
4Loss of time
If existing varieties are used, then white flowers are obtained, but the flowering time is not early
Solution Approach 1:
The patent changes the temporal parameters of flowering by selecting for early flowering initiation while maintaining extended flowering duration. The 'Fix 137' variety demonstrates both early flowering response and continuous flowering throughout summer, achieving improved time-related productivity characteristics
Data Source
AI summary
A new Pelargonium plant named ‘Fix 137,’ particularly distinguished by the white flower color, open, single-type flowers, early and rich flowering, glossy, deep green foliage, ivy-shaped with distinct lobes and distinct zonation, fairly vigorous growth, tall, bushy and well-branched, trailing plant habit.