Climbing Rose MEIBRITTY Breeding for Double Flowers
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Solution Overview
Problem
There is a need for a climbing rose variety that combines specific characteristics such as cream-ochre colored centers and pink external petals, very double flowers, and a climbing growth habit, which are not adequately met by existing rose varieties like 'KORHOKHEL' and 'AUSCOT', and distinguishes itself from other varieties like 'MEIVIOLIN'.
Innovation Solution
The new rose variety 'MEIBRITTY' is created through controlled breeding of 'KORHOKHEL' and 'AUSCOT', exhibiting a stable combination of these characteristics and suitable for asexual propagation, making it suitable for ornamental use in parks, gardens, and residential settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the 'KORHOKHEL' variety is used as seed parent, then fewer petals are produced, but the new variety requires more petals to achieve very double flowers
Solution Approach 1:
The patent applies parameter changes by selecting and crossing parents with specific petal count characteristics. The seed parent 'KORHOKHEL' has fewer petals while the pollen parent 'AUSCOT' has more petals, and through controlled pollination and selection, the new variety achieves the desired very double flower structure with appropriate petal quantity.
2Shape
If the 'AUSCOT' variety is used as pollen parent, then shrub growth habit is displayed, but the new variety requires climbing growth habit
Solution Approach 1:
The patent utilizes parameter changes in growth habit by crossing 'KORHOKHEL' (seed parent) with 'AUSCOT' (pollen parent). Although 'AUSCOT' displays shrub growth habit, the new variety through controlled breeding and selection processes develops the desired climbing growth habit, demonstrating changes in the growth parameter.
3Adaptability or versatility
If existing rose varieties are used, then familiar characteristics are maintained, but the new variety requires unique combination of flower color, growth habit, and propagation stability
Solution Approach 1:
The patent applies the merging principle by combining diverse characteristics from two parent varieties. The seed parent 'KORHOKHEL' contributes certain traits while the pollen parent 'AUSCOT' contributes other traits, and through controlled pollination and selection, these characteristics are merged into a new variety with a unique combination of flower color (cream-ochre center and pink external petals), climbing growth habit, and propagation stability.
4Reliability
If asexual propagation is used, then true-to-type transmission is achieved, but the variety must maintain stable characteristics across generations
Solution Approach 1:
The patent applies the self-service principle by demonstrating that the new variety 'MEIBRITTY' is capable of self-propagation through asexual means. The variety maintains stable characteristics and true-to-type transmission when propagated by eye budding, softwood cuttings, hardwood cuttings, and semi-hardwood cuttings, allowing it to reproduce faithfully without external intervention.
Data Source
AI summary
A new and distinct variety of rose plant, referred to by its cultivar name, ‘MEIBRITTY’, is disclosed. The new variety forms attractive, very double cream-ochre colored center and pink colored towards the external petals colored flowers. Attractive glossy foliage is formed, which contrasts beautifully with the blossoms. A climbing growth habit is displayed. The new variety is well suited for providing attractive ornamentation in the landscape.