Petunia SAKPET105 Burgundy White Star Pattern Breeding
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Solution Overview
Problem
There is a need for a new Petunia hybrida cultivar with a unique burgundy and white star pattern and mounding plant habit that can reproduce true to type in successive generations, as existing varieties lack this specific combination of characteristics.
Innovation Solution
The development of the 'SAKPET105' cultivar, which originated from a cross between proprietary Petunia breeding lines '2ExTr-111a-V1' and '2ExTr-111a-V2', exhibiting burgundy and white star-patterned flowers and a semi-trailing, mounding habit, and has been stabilized through evaluation and propagation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing Petunia varieties are used, then they have established flower patterns and growth habits, but they lack the specific combination of burgundy and white star pattern with mounding habit
Solution Approach 1:
The patent combines two distinct parental lines with different flower patterns (rose star pattern) to produce offspring with a novel burgundy and white star pattern. This merging of parental traits creates the desired unique flower appearance while maintaining stable inheritance in the F1 generation
Solution Approach 2:
The breeding process changes the color parameters of the flowers from the parental rose star pattern to the F1 burgundy and white star pattern. This parameter change in flower coloration and patterning achieves the novel appearance while the mounding growth habit parameter is also established and stabilized
2Adaptability or versatility
If new flower patterns are developed through hybridization, then unique characteristics are achieved, but stability across generations may be compromised
Solution Approach 1:
The patent performs preliminary evaluation of the F1 plants for day length neutral flowering response before establishing the mother stock. This preliminary action ensures that the desired characteristics are stable and will reproduce true to type in successive generations, preventing genetic instability issues
Solution Approach 2:
The breeding process includes evaluation and selection steps where F1 plants are assessed for the desired burgundy and white star pattern and mounding habit. This feedback mechanism allows selection of plants that truly exhibit the desired traits, ensuring genetic stability is achieved before establishing the commercial cultivar
Data Source
AI summary
A Petunia plant particularly distinguished by having burgundy and white star patterned flowers and a semi-trailing, and mounding habit, is disclosed.