Petunia ‘PEHY0092’ Breeding for Stable Yellow Mounding Traits
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Solution Overview
Problem
There is a need for a new Petunia hybrida cultivar with medium to large sized flowers, yellow flower color, medium to late flowering, and a mounding plant habit, which is distinct from existing varieties in terms of plant size, flowering time, and flower color, and has not been publicly available prior to the filing of this application.
Innovation Solution
The development of the Petunia hybrida cultivar 'PEHY0092', which is the result of a controlled hybridization program, combining characteristics such as medium to large flower size, yellow flower color, and mounding plant habit, and is stable through asexual reproduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a controlled hybridization program is used to develop new Petunia cultivars, then distinct and stable traits (flower size, color, growth habit) are achieved, but the breeding process requires significant time and multiple generations of selection
Solution Approach 1:
The patent applies preliminary action by performing controlled hybridization between specifically selected parent lines ('PETBE1201-1' and 'PET20-1337-2') that already possess desired traits before mass propagation. The parents were pre-selected for complementary characteristics (yellow flower color, mounding habit, flower size) to ensure the F1 generation would exhibit stable, distinct traits, thereby reducing the time needed for subsequent selection generations.
2Stability of the object's composition
If vegetative propagation is used to reproduce the cultivar, then genetic stability and trait consistency are maintained across generations, but the initial establishment of the cultivar requires time-consuming selection from hybrid progeny
Solution Approach 1:
The patent applies copying by using vegetative propagation (stem cuttings) to reproduce the selected cultivar 'PEHY0092'. Once a plant with the desired combination of traits was identified in the F1 generation, vegetative cuttings were taken to create genetically identical copies. This ensures that all propagated plants maintain the exact same genetic composition and trait expression, eliminating variability that would occur with sexual reproduction.
3Adaptability or versatility
If the cultivar is developed with medium to large flower size and yellow color, then market distinction and horticultural value are improved, but the flower color may vary with environmental conditions such as temperature and light intensity
Solution Approach 1:
The patent applies parameter changes by acknowledging and documenting that the flower color of 'PEHY0092' can vary with environmental parameters such as temperature and light intensity. The breeding program selected for a yellow flower color phenotype that expresses reliably across a range of conditions, understanding that the exact hue may shift with environmental parameters. This is a natural trade-off in horticultural breeding where achieving distinct, valuable traits involves accepting some degree of environmental sensitivity.
Data Source
AI summary
A new Petunia plant named ‘PEHY0092’ particularly distinguished by its medium to large sized flowers. yellow flower color, early flowering and mounding plant habit.