Impatiens Silte Pur Cultivar Hybridization for Flower Traits
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Solution Overview
Problem
There is a need for a new cultivar of Impatiens walleriana that combines distinctive flower color, compact growth habit, and vigorous branching, which existing cultivars do not adequately provide.
Innovation Solution
The cultivar 'Silte Pur' is developed through hybridization of proprietary Impatiens plants 'ID03-30-10' and 'ID03-19-13', characterized by double, rose-shaped, purple flowers, semi-compact, upright growth, and free flowering with good basal branching, achieved through asexual propagation and tissue culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing Impatiens cultivars are used, then basic flowering is achieved, but distinctive flower color, compact growth habit, and vigorous branching are not adequately provided
Solution Approach 1:
The patent applies parameter changes by hybridizing two parent cultivars with different floral parameters (color, form, size) to produce offspring with novel combinations. The F1 generation exhibits purple double flowers with specific dimensional parameters that differ from both parents, achieving distinctive flower color and form through genetic parameter recombination
2Adaptability or versatility
If hybridization is performed to achieve distinctive characteristics, then unique flower color and form are obtained, but breeding time and complexity increase
Solution Approach 1:
The patent applies preliminary action by performing hybridization between selected parent cultivars before mass propagation. The F1 generation is produced in advance through controlled cross-pollination, allowing the distinctive characteristics to be established prior to commercial propagation. This preliminary genetic combination eliminates the need for repeated breeding cycles during production
Solution Approach 2:
The patent applies copying by using tissue culture and vegetative propagation to replicate the F1 hybrid plants. Once the desired genetic combination is achieved through hybridization, identical copies are produced asexually, maintaining the distinctive flower characteristics without requiring additional breeding time. This cloning approach multiplies the novel genotype efficiently
3Stability of the object's composition
If asexual propagation is used to maintain characteristics, then genetic consistency is achieved, but propagation speed and scale are limited
Solution Approach 1:
The patent merges two propagation methods: tissue culture and vegetative cutting propagation. Tissue culture provides rapid multiplication of plantlets from a single explant, achieving high productivity. Vegetative cuttings provide simple, scalable propagation for larger scale production. Both methods maintain genetic consistency by being asexual, combining the advantages of speed and simplicity
Data Source
AI summary
A new Impatiens plant particularly distinguished by double, rose-shaped, purple flowers, semi-compact, upright, outwardly spreading and mounded plant habit, free flowering, good basal branching, and moderately vigorous growth habit, is described.