Poinsettia Fismars Pink X-Ray Mutation Breeding
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Solution Overview
Problem
There is a need for new poinsettia cultivars with distinct and stable characteristics, such as varying bract colors and compact growth habits, as existing cultivars often lack diversity and environmental adaptability.
Innovation Solution
The development of 'Fismars Pink', a poinsettia cultivar resulting from x-ray-induced mutation in 'Fismars', characterized by pink bracts, deep green foliage, and a medium-sized, compact plant habit, achieved through asexual reproduction and propagation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If x-ray induced mutation is applied to create new poinsettia cultivars, then bract color diversity is improved, but genetic stability may worsen
Solution Approach 1:
The patent applies x-ray radiation, which is typically harmful to plant tissue, to induce beneficial mutations that create new bract color variations. The controlled application of this harmful agent transforms it into a tool for generating genetic diversity and new cultivars with desirable traits.
Solution Approach 2:
The patent changes the genetic parameters of the poinsettia plant through x-ray induced mutation, specifically altering the bract color gene expression. This parameter change creates new phenotypic variations (pink, salmon, coral colors) that were not present in the original cultivar.
2Stability of the object's composition
If asexual reproduction is used to propagate the cultivar, then genetic consistency is improved, but adaptability to different environments may worsen
Solution Approach 1:
The patent uses asexual reproduction through cuttings to create exact genetic copies of the mutated plant. This copying process ensures that the unique pink bract color and other desirable traits are faithfully reproduced in subsequent generations, maintaining genetic consistency across the cultivar.
3Adaptability or versatility
If mutation breeding is applied, then novel characteristics are improved, but predictability of traits worsens
Solution Approach 1:
The patent employs a systematic screening process where numerous x-ray treated plants are grown and evaluated for desirable traits. This feedback loop allows breeders to identify and select plants with the most promising mutations (pink bracts, compact habit, healthy foliage) while discarding those with unwanted changes, thereby improving the predictability of successful trait inheritance.
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 cultivar 'Fismars Pink' retains its distinctive characteristics and exhibits a stable, early to medium flowering response under normal horticultural practices, offering a unique aesthetic and growth profile compared to its parental and commercial counterparts.
Implementation Method 1
In May 2003, young plants of 'Fismars' were irradiated with x-rays in Ahrensburg, Germany
Data Source
AI summary
A new Poinsettia plant particularly distinguished by medium size, pink, ovate bracts in a flat, rosette-like arrangement, with deep green foliage, ovate leaves with nearly no lobes, early to medium flowering response and a medium size, V-shape plant habit, is disclosed.