Soybean XB41T13 Marker-Assisted Breeding
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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
The development of the soybean variety XB41T13, 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 process involving backcrossing and genetic marker-assisted breeding to introduce desired traits and achieve phenotypic stability.
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 (MAS) which provides feedback on the genetic composition of breeding lines at the DNA level. This allows breeders to track the inheritance of multiple desirable traits simultaneously through marker genotyping, enabling informed selection decisions without waiting for phenotypic expression. The feedback mechanism accelerates the breeding process by providing early-generation genetic information that guides subsequent crossing and selection strategies.
Solution Approach 2:
The patent replaces traditional mechanical/phenotypic selection methods with molecular-level detection and selection. Instead of relying on visual observation and manual selection of phenotypic traits, the invention uses DNA-based molecular markers to identify and select plants carrying desired genetic combinations. This substitution of mechanical selection with molecular analysis dramatically reduces the time required to evaluate and select breeding lines while improving accuracy.
2Stability of the object's composition
If multiple generations of selection are performed to achieve phenotypic stability, then trait stability is improved, but the breeding timeline extends significantly
Solution Approach 1:
The patent performs preliminary genetic analysis using molecular markers at early breeding stages (F2-F3 generations) to identify lines with the desired genetic composition before phenotypic stability is fully expressed. By conducting marker-assisted selection in advance, the breeding program can identify and advance stable genotypes earlier than traditional methods, reducing the number of generations required to achieve phenotypic stability and improving overall breeding productivity.
3Reliability
If comprehensive trait evaluation is conducted across multiple locations and environments, then variety reliability is improved, but resource requirements increase
Solution Approach 1:
The patent conducts preliminary molecular marker analysis and early-generation selection in controlled or single-location environments to identify lines with desirable genetic potential. This preliminary action filters the breeding population to focus resources on the most promising candidates for multi-location testing, thereby reducing the overall resource requirements for comprehensive evaluation while maintaining variety reliability through targeted environmental testing of selected lines.
Data Source
AI summary
A novel soybean variety, designated XB41T13 is provided. Also provided are the seeds of soybean variety XB41T13, cells from soybean variety XB41T13, plants of soybean XB41T13, and plant parts of soybean variety XB41T13. Methods provided include producing a soybean plant by crossing soybean variety XB41T13 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety XB41T13, methods for producing other soybean varieties or plant parts derived from soybean variety XB41T13, and methods of characterizing soybean variety XB41T13. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety XB41T13 are further provided.