Calibrachoa Cultivar BBCAL26702 Phenotype Stability

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Solution Overview

Problem

Current Calibrachoa cultivars lack uniformity, branching, and attractive flower coloration, with variations in environmental conditions affecting plant phenotype without genotype change, and existing cultivars have limitations in garden performance and flower patterns.

Innovation Solution

A new Calibrachoa cultivar 'BBCAL26702' developed through cross-pollination, exhibiting upright to trailing growth, dense branching, and unique red purple and dark purple petals with a central yellow star-shaped pattern, offering improved garden performance and stability across environmental conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If existing Calibrachoa cultivars are used, then basic flowering function is provided, but uniformity, branching density, and flower coloration are insufficient

Engineering Contradiction:
Improvephenotype stabilityVSAvoidflower color uniformity
Core Design Contradiction:
Stability of the object's compositionVSManufacturing precision

Solution Approach 1:

The patent applies parameter changes by selecting and breeding plants with specific genetic parameters that control flower color intensity, branching density, and uniformity. The new cultivar 'BBCAL26702' exhibits stabilized phenotypic parameters including consistent red-purple petal coloration with yellow star patterns, uniform flowering time, and dense branching habits across multiple generations, resolving the contradiction between basic function and aesthetic uniformity.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If environmental conditions vary, then plant adaptability is tested, but phenotype varies without genotype change

Engineering Contradiction:
Improveenvironmental adaptabilityVSAvoidphenotype consistency
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent inverts the typical approach by first stabilizing the genotype through controlled breeding to produce consistent phenotypes, rather than trying to maintain phenotype stability across variable environments. The new cultivar 'BBCAL26702' was developed through systematic selection of plants that maintained uniform flower color, branching patterns, and flowering time across different growing conditions, thereby achieving phenotype consistency through genotype stabilization.

Inventive Principle:
Principle #13The other way round (Inversion)

3Manufacturing precision

If cross-pollination breeding is conducted, then new flower color patterns are created, but genetic uniformity is reduced

Engineering Contradiction:
Improveflower color patternVSAvoidgenetic stability
Core Design Contradiction:
Manufacturing precisionVSStability of the object's composition

Solution Approach 1:

The patent applies preliminary action by conducting multiple generations of controlled cross-pollination and selection before finalizing the cultivar. The breeding program involved preliminary crosses between parent plants with desirable traits, followed by systematic selection of offspring that exhibited the target red-purple petals with yellow star patterns. This preliminary breeding and selection process ensured that the final cultivar 'BBCAL26702' achieved both the desired flower color pattern and genetic stability for uniform reproduction.

Inventive Principle:
Principle #10Preliminary action

4Shape

If dense branching habit is selected, then bushy appearance is achieved, but plant height increases

Engineering Contradiction:
Improvebushy appearanceVSAvoidplant height
Core Design Contradiction:
ShapeVSLength of moving object

Solution Approach 1:

The patent applies local quality by selecting for dense branching specifically in the lower and middle portions of the plant to create a bushy appearance, while allowing the upper portions to maintain appropriate height for flowering. The new cultivar 'BBCAL26702' exhibits concentrated lateral branching that creates a full, bushy habit without excessive overall height, achieving the desired shape characteristic while maintaining functional plant dimensions.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUSPP29072P3<i>Calibrachoa </i>plant named ‘BBCAL26702’
Publication Date: 2018.03.06 WINGEN LLC
  • USPP29072P3 patent drawing

AI summary

A new and distinct Calibrachoa plant named ‘BBCAL26702’, characterized by its upright to outwardly spreading and mounding to eventually trailing plant habit; moderately vigorous to vigorous growth habit; freely branching habit; dense and bushy appearance; freely flowering habit; red purple and dark purple-colored petals with a central yellow-colored star-shaped pattern; and good garden performance.