Petunia PEHY0076 X-Ray Mutation for Stable Flower Color
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Solution Overview
Problem
There is a need for a new Petunia hybrida cultivar with distinct flower color and larger white sections compared to existing varieties, which can be consistently reproduced and maintained through asexual reproduction, while also exhibiting a mounding plant habit and medium to late flowering characteristics.
Innovation Solution
The development of Petunia hybrida 'PEHY0076' through x-ray mutation treatment on unrooted cuttings, resulting in red-purple with white flowers and a mounding habit, which has been stabilized through successive generations of asexual reproduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If x-ray mutation treatment is applied to create new flower color variations, then flower color distinctiveness is improved, but genetic stability through asexual reproduction may be compromised
Solution Approach 1:
The patent applies x-ray mutation treatment, which is typically a harmful or random process, to deliberately induce beneficial genetic variations that produce distinct flower colors. This converts the potentially harmful mutagenic effect into a useful tool for creating stable, distinctive cultivars with fixed color patterns that can be reliably reproduced through asexual propagation.
Solution Approach 2:
The patent changes the genetic parameters of the Petunia through controlled x-ray exposure, creating new color patterns (red-purple with white sections) that are then stabilized through selection and asexual reproduction. This involves altering specific genetic traits while maintaining overall genomic stability for reliable propagation.
2Ease of manufacture
If selection for larger white sections is implemented, then flower visual appeal is improved, but breeding program complexity increases
Solution Approach 1:
The patent focuses on enhancing specific local characteristics of the flower - specifically enlarging the white sections while maintaining the overall color pattern. This selective enhancement of particular floral regions (rather than overall flower size) achieves improved visual appeal through targeted modification of specific areas.
3Stability of the object's composition
If medium to late flowering characteristics are selected, then plant habit consistency is improved, but time to marketability increases
Solution Approach 1:
The patent performs preliminary selection of plants exhibiting the desired medium to late flowering characteristics and mounding habit during the breeding process. By pre-selecting and stabilizing these growth habit traits before commercial propagation, the variety ensures consistent plant architecture while the flowering time characteristic is already optimized for the target market window.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The new cultivar 'PEHY0076' exhibits consistently fixed characteristics, including a unique flower color and habit, and has been demonstrated to retain these traits under controlled conditions, offering a distinct and reproducible variety for horticultural applications.
Implementation Method 1
The new cultivar originated from a mutation treatment by x-rays on unrooted cuttings in a controlled laboratory environment in Enkhuizen, The Netherlands in June 2018
Data Source
AI summary
A new Petunia plant named ‘PEHY0076’ particularly distinguished by its small sized, red-purple with white flowers, medium to late flowering and a mounding plant habit.