Soybean D5142326 Breeding via Molecular Marker Selection
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Solution Overview
Problem
The development of new soybean varieties is a time-consuming and unpredictable process due to the complexity of combining desirable traits such as higher seed yield, disease resistance, and environmental adaptability, with conventional breeding methods lacking control over genetic combinations and requiring extensive resources.
Innovation Solution
The soybean variety D5142326 is developed through specific breeding methods, including crossing and selection techniques, which allows for the introduction of traits like herbicide resistance, disease resistance, and improved nutritional quality, and can be used in breeding programs to produce hybrid seeds and plants with desired characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to combine desirable traits, then new soybean varieties can be developed, but the process becomes time-consuming and unpredictable
Solution Approach 1:
The patent replaces conventional mechanical breeding methods (manual crossing, selection, and evaluation) with molecular marker-assisted selection. DNA markers are used to identify and track specific genes controlling desirable traits, allowing breeders to select plants with desired genetic combinations at the molecular level rather than waiting for phenotypic expression, thereby dramatically reducing breeding time and increasing predictability.
2Adaptability or versatility
If conventional breeding methods are used, then genetic combinations can be generated, but control over specific genetic combinations is lacking
Solution Approach 1:
The patent substitutes phenotypic selection with genotypic selection using DNA markers. Specific molecular markers are associated with genes controlling desirable traits, enabling precise identification and selection of plants carrying desired genetic combinations at the DNA level, providing direct control over genetic makeup rather than relying on probabilistic phenotypic outcomes.
Solution Approach 2:
The patent introduces molecular markers as intermediaries between the target genes and the selection process. These markers serve as detectable proxies for the actual genes of interest, allowing indirect but precise selection of desired genetic combinations without directly observing or manipulating the target genes themselves, thereby enhancing control over genetic outcomes.
3Adaptability or versatility
If extensive breeding programs are conducted to develop new varieties, then desirable traits can be achieved, but resource expenditure increases
Solution Approach 1:
The patent replaces resource-intensive conventional breeding procedures (multiple generations of field testing, phenotypic evaluation, and manual selection) with efficient molecular marker analysis. DNA extraction and marker screening can be performed rapidly in laboratory settings, reducing the need for extensive field trials and minimizing resource expenditure while maintaining or improving trait development effectiveness.
Data Source
AI summary
The invention relates to the soybean variety designated D5142326. Provided by the invention are the seeds, plants and derivatives of the soybean variety D5142326. Also provided by the invention are tissue cultures of the soybean variety D5142326 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety D5142326 with itself or another soybean variety and plants produced by such methods.