Petunia-Calibrachoa Breeding With Molecular Marker Selection
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Solution Overview
Problem
Existing petunia-calibrachoa breeding methods face challenges in identifying and developing superior varieties due to genetic masking by confounding traits and environmental factors, making it difficult to select genetically superior plants efficiently.
Innovation Solution
The development of the petunia-calibrachoa variety SAKPXC039, which is stable and uniform, allows for breeding methods such as pedigree breeding, backcrossing, recurrent selection, mutation breeding, and gene editing using CRISPR/Cas9, TALENs, and ZFNs to introduce desired traits and resistances, leveraging molecular markers for precise selection and producing double haploids for homozygosity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional breeding methods are used to develop petunia-calibrachoa varieties, then genetic diversity can be explored, but it is difficult to identify and select genetically superior plants due to genetic masking by confounding traits and environmental factors
Solution Approach 1:
The patent uses molecular markers as intermediaries to bridge the gap between phenotypic observation and genotypic selection. These markers serve as detectable indicators that directly reflect the presence of desired genes, eliminating the need to rely on complex phenotypic expressions that are masked by environmental factors and confounding traits.
Solution Approach 2:
The patent replaces traditional mechanical/visual selection methods with molecular-level detection techniques. Instead of manually evaluating plant traits that are influenced by environment, the method uses DNA-based molecular markers to directly detect genetic composition, substituting a more precise scientific measurement system for conventional breeding assessment.
2Productivity
If molecular markers are used for precise selection, then breeding efficiency is improved, but the complexity of breeding methods increases
Solution Approach 1:
The patent performs preliminary action by developing and integrating molecular marker systems into the breeding program before actual selection occurs. This preparatory step establishes a reliable detection framework that simplifies subsequent selection processes, allowing breeders to quickly identify superior plants without having to develop selection criteria from scratch during the breeding process.
Solution Approach 2:
The patent implements feedback mechanisms where molecular marker data directly informs breeding decisions. The detection results provide immediate feedback on the genetic composition of plants, allowing breeders to make informed selections based on objective genetic information rather than subjective phenotypic assessment, thereby improving efficiency despite the added technical complexity.
Data Source
AI summary
A petunia-calibrachoa plant designated SAKPXC039 is disclosed. Embodiments include the seeds of petunia-calibrachoa SAKPXC039, the plants of petunia-calibrachoa SAKPXC039, to plant parts of petunia-calibrachoa SAKPXC039, and methods for producing a plant produced by crossing petunia-calibrachoa SAKPXC039 with itself or with another variety. Embodiments include methods for producing a plant containing in its genetic material one or more genes or transgenes and the transgenic plants and plant parts produced by those methods. Embodiments also relate to varieties, breeding varieties, plant parts, and cells derived from petunia-calibrachoa SAKPXC039, methods for producing other lines or plant parts derived from petunia-calibrachoa SAKPXC039, and the plants, varieties, and their parts derived from use of those methods. Embodiments further include hybrid seeds, plants, and plant parts produced by crossing petunia-calibrachoa SAKPXC039 with another variety.