Soybean XB47U12 Breeding via Marker-Assisted Selection
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Solution Overview
Problem
Current soybean breeding processes are time-consuming and resource-intensive, aiming to develop stable, high-yielding varieties with desirable traits such as disease resistance, drought tolerance, and improved fatty acid profiles, while existing methods face challenges in efficiently combining these traits in a single variety.
Innovation Solution
Development of the soybean variety XB47U12, which is the result of careful breeding and selection, combining traits like resistance to aerial web blight, aphid antibiosis, and improved fatty acid profiles, through a comprehensive breeding program that includes backcrossing and genetic marker-assisted breeding to introduce desired traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional soybean breeding methods are used to combine multiple desirable traits, then trait combination is achieved, but the breeding process becomes time-consuming and resource-intensive
Solution Approach 1:
The patent employs molecular marker-assisted selection where DNA markers are used to track and select for multiple desirable traits simultaneously during the breeding process. This feedback mechanism allows breeders to identify plants carrying multiple target traits early in development, dramatically reducing the time required to develop new varieties compared to traditional phenotypic selection methods that require waiting for plants to mature and express traits.
Solution Approach 2:
The patent replaces traditional mechanical/phenotypic breeding methods with molecular biology techniques. Instead of visually selecting and cross-breeding plants based on observable traits, the invention uses DNA-based molecular markers to identify and select plants with desired genetic combinations, substituting biochemical analysis for traditional breeding mechanics and significantly accelerating the process.
2Reliability
If multiple traits are combined in a single soybean variety, then variety improvement is achieved, but the complexity of the breeding program increases
Solution Approach 1:
The patent divides the complex task of combining multiple traits into manageable segments by using specific molecular markers for each individual trait. Each marker allows independent tracking and selection of a particular trait, breaking down the overall breeding program into discrete, controllable units that can be selected and combined systematically rather than attempting to manage all traits simultaneously as a single complex process.
3Productivity
If conventional breeding methods are used to develop high-yielding varieties, then yield improvement is achieved, but resource consumption increases
Solution Approach 1:
The patent performs preliminary genetic analysis using molecular markers during early plant development stages to identify individuals with the desired genetic makeup for high yield and other desirable traits. This preliminary action allows breeders to eliminate unwanted plants early in the process, avoiding the waste of resources (time, space, water, nutrients) on plants that would not meet breeding objectives, thereby reducing overall resource consumption while maintaining productivity goals.
Data Source
AI summary
A novel soybean variety, designated XB47U12 is provided. Also provided are the seeds of soybean variety XB47U12, cells from soybean variety XB47U12, plants of soybean XB47U12, and plant parts of soybean variety XB47U12. Methods provided include producing a soybean plant by crossing soybean variety XB47U12 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety XB47U12, methods for producing other soybean varieties or plant parts derived from soybean variety XB47U12, and methods of characterizing soybean variety XB47U12. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety XB47U12 are further provided.