Soybean Variety D2011902 Breeding via Molecular Markers
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Solution Overview
Problem
Current soybean breeding methods face challenges in developing stable, high-yielding varieties with desirable traits such as disease resistance, drought tolerance, and improved nutritional quality, as they rely on conventional breeding techniques that are time-consuming and unpredictable, leading to inefficiencies in trait selection and genetic combination.
Innovation Solution
The development of the soybean variety D2011902, which combines improved traits through specific breeding methods including backcrossing and genetic transformation, allowing for the introduction of desired loci such as herbicide resistance, disease resistance, and enhanced nutritional quality, while maintaining the morphological and physiological characteristics of the original variety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional breeding techniques are used, then traditional breeding processes are followed, but the process is time-consuming and unpredictable
Solution Approach 1:
The patent applies preliminary action by using molecular markers to identify and select plants with desired traits before actual breeding occurs. This allows breeders to pre-screen large populations for specific genetic characteristics, making the subsequent breeding process more efficient and predictable while reducing the time required to develop new varieties.
Solution Approach 2:
The patent replaces traditional mechanical breeding methods (manual crossing, phenotypic selection) with molecular biology techniques including DNA extraction, PCR amplification, and marker-assisted selection. This substitution of mechanical systems with biochemical and molecular systems enables more precise and faster trait identification and combination.
2Productivity
If advanced genetic techniques are integrated, then breeding efficiency and predictability improve, but the complexity of the breeding process increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding process into distinct modular stages: DNA extraction, marker development, genotyping, data analysis, and selection. Each stage can be independently optimized and performed by different teams, making the overall complex process more manageable while maintaining high productivity and efficiency.
Data Source
AI summary
The invention relates to the soybean variety designated D2011902. Provided by the invention are the seeds, plants and derivatives of the soybean variety D2011902. Also provided by the invention are tissue cultures of the soybean variety D2011902 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety D2011902 with itself or another soybean variety and plants produced by such methods.