Calibrachoa CBRZ0003 Bi-Colored Flower Breeding
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Solution Overview
Problem
There is a need for a new Calibrachoa cultivar with distinct medium-sized red-purple and yellow bi-colored flowers, deep green foliage, and a well-branched mounding habit that retains its characteristics through successive generations of asexual reproduction, as existing varieties lack these specific traits or exhibit variability under different environmental conditions.
Innovation Solution
The development of Calibrachoa hybrida 'CBRZ0003' through controlled hybridization in a breeding program, combining the traits of '1886-1' and '1856-3' to produce a plant with fixed characteristics of medium-sized bi-colored flowers and deep green foliage, which are retained through asexual reproduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If existing Calibrachoa varieties are used, then they have flower color variations, but they lack consistent medium-sized bi-colored flowers with fixed characteristics across generations
Solution Approach 1:
The patent applies preliminary action through controlled hybridization before propagation. By performing selective cross-breeding between specific parent plants with desired traits (medium-sized bi-colored flowers, deep green foliage) and then stabilizing the genotype through multiple generations of asexual propagation, the invention fixes the phenotype before commercial deployment. This preliminary genetic stabilization ensures that the cultivar 'CBRZ0003' maintains consistent characteristics across successive generations, resolving the contradiction between phenotype stability and color uniformity.
2Stability of the object's composition
If plants are propagated through asexual reproduction, then characteristics are retained, but environmental variations still cause phenotype changes
Solution Approach 1:
The patent applies parameter changes by establishing optimal environmental parameters for propagation and maintenance. The invention specifies controlled conditions including temperature ranges, light intensity, humidity levels, and nutrient formulations that minimize environmentally-induced phenotype variations. By optimizing and controlling these environmental parameters during propagation and cultivation, the cultivar maintains its fixed characteristics while reducing sensitivity to environmental fluctuations, thus resolving the contradiction between trait retention and environmental responsiveness.
3Adaptability or versatility
If hybridization is performed to combine parent traits, then new characteristics are achieved, but the resulting progeny shows variability
Solution Approach 1:
The patent applies copying through asexual propagation methods (cuttings, tissue culture) to replicate the selected hybrid plant exactly. After successful hybridization produces a plant with desired combined traits (medium-sized bi-colored flowers, deep green foliage, mounding habit), this selected individual is propagated asexually to create genetically identical copies. This copying process eliminates the variability inherent in sexual reproduction while preserving the beneficial trait combinations, thus resolving the contradiction between adaptability and progeny uniformity.
Data Source
AI summary
A new Calibrachoa plant named ‘CBRZ0003’ particularly distinguished by the medium sized red-purple and yellow bi-colored flowers, deep green foliage, well-branched, and mounding plant habit, has more center-flowering and good vigor.