Miniature Rose 'KORpot088' Branch Mutation Propagation
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Solution Overview
Problem
The horticultural industry lacks a Miniature Rose Plant with attractive orange-yellow-pink colored blossoms, upright growth habit, vigorous vegetation, and good disease resistance, which can be distinguished from existing varieties and propagated consistently through asexual methods.
Innovation Solution
A new variety of Rosa hybrida, 'KORpot088', discovered as a branch mutation of 'KORpot080', exhibiting unique flower colors, fragrance, and disease resistance, suitable for ornamental purposes and propagated via vegetative cuttings, maintaining stable characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing Miniature Rose varieties are used, then they have established propagation methods, but they lack the specific combination of orange-yellow-pink flower color, upright growth habit, vigorous vegetation, and disease resistance
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a branch mutation with specific phenotypic parameters: orange-yellow-pink flower color (RHS color chart 20B-21B), upright growth habit, vigorous vegetation, and enhanced disease resistance. This natural mutation provides a new parameter combination that meets the horticultural industry's needs for both aesthetic appeal and reliability
2Shape
If new flower color variants are developed, then aesthetic appeal is improved, but consistency in propagation and character stability may be compromised
Solution Approach 1:
The patent uses asexual propagation through vegetative cuttings to create exact copies of the mutant branch. This copying method ensures that the unique flower color (orange-yellow-pink, RHS 20B-21B), upright growth habit, and disease resistance are strictly transmissible and homogeneous across all propagated plants, maintaining character stability while preserving the novel aesthetic traits
Solution Approach 2:
Instead of attempting to stabilize a new flower color through traditional breeding methods that might compromise other traits, the patent inverts the approach by selecting a natural branch mutation that already possesses the desired color and then propagating it asexually. This ensures the novel color is preserved exactly as it occurs in nature, without the need for further breeding that could introduce variability
3Loss of information
If distinct variety characteristics are achieved, then the new variety can be distinguished from parents and similar varieties, but this requires specific unique trait combinations that may be difficult to obtain
Solution Approach 1:
The patent applies local quality by focusing on specific distinguishing traits in the branch mutation: the unique orange-yellow-pink flower color (RHS 20B-21B), the upright growth habit, and the noticeable fragrance. These localized distinctive qualities allow the new variety 'KORpot088' to be clearly differentiated from its parent 'KORpot080' (dark yellow flowers) and from 'KORbailand' (shorter duration, lower petal count, no fragrance), providing clear variety distinction without requiring comprehensive changes across all plant characteristics
Data Source
AI summary
A new and distinct variety of Miniature Rose Plant, herein referred to by its cultivar name, ‘KORpot088’, is provided which forms attractive, orange-yellow-pink colored blossoms. The vegetation is vigorous and the growth habit is upright. Attractive ornamental foliage with good disease resistance is formed. The new variety is particularly well suited for providing distinctive ornamentation in the landscape.