Soybean Variety 0341931 Marker-Assisted Breeding
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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 inheritance and the need for precise genetic combinations, making it difficult to identify superior plants and reproduce consistent varieties using conventional breeding methods.
Innovation Solution
The introduction of the soybean variety 0341931, which can be used for crossing with itself or other plants to produce hybrid seeds and plants with desirable traits such as herbicide resistance, disease resistance, and improved nutritional quality, utilizing methods like backcrossing and genetic transformation to introduce specific loci and traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop new soybean varieties, then genetic diversity and trait combination are improved, but the development time and unpredictability increase significantly
Solution Approach 1:
The patent replaces conventional mechanical breeding methods (manual crossing, selection, and evaluation) with molecular marker technology and genomic selection. This substitution allows for precise identification and selection of desirable traits at the DNA level, dramatically reducing the time required for variety development while maintaining genetic diversity and trait combination capabilities.
Solution Approach 2:
The patent introduces molecular markers as intermediaries between phenotype and genotype. These markers serve as proxies for desirable traits, allowing breeders to select plants with desired characteristics without waiting for phenotypic expression. This intermediary system enables early-stage selection and accelerates the breeding process while ensuring accurate trait inheritance.
2Measurement precision
If conventional breeding methods are used to identify superior plants, then genetic selection is possible, but the identification accuracy is reduced due to environmental masking
Solution Approach 1:
The patent replaces phenotypic evaluation (which is susceptible to environmental masking) with genotypic evaluation using molecular markers. This substitution directly measures the genetic composition of plants, providing accurate assessment of genetic worth independent of environmental conditions. The molecular marker system eliminates the harmful effect of environmental masking by operating at the DNA level where environment cannot interfere.
3Stability of the object's composition
If repeated selfing and selection are performed to develop new varieties, then pureline varieties are produced, but the process requires many generations and extensive resources
Solution Approach 1:
The patent uses molecular markers as intermediaries to track and select for desired genotypes throughout the breeding process. This allows for precise selection of plants carrying target alleles, enabling faster achievement of uniformity compared to traditional phenotypic selection. The marker-mediated selection process maintains variety uniformity while dramatically improving breeding efficiency by reducing the number of generations required.
Solution Approach 2:
The patent implements feedback loops where molecular marker data from each generation informs selection decisions for the next generation. This continuous feedback mechanism ensures that only plants with the desired genetic composition are advanced, accelerating the path to uniformity. The feedback system provides real-time information on genetic progress, allowing for efficient resource allocation and faster variety development.
Data Source
AI summary
The invention relates to the soybean variety designated 0341931. Provided by the invention are the seeds, plants and derivatives of the soybean variety 0341931. Also provided by the invention are tissue cultures of the soybean variety 0341931 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety 0341931 with itself or another soybean variety and plants produced by such methods.