Soybean XB28AB15R Segmented Breeding for Trait Stability
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Solution Overview
Problem
The development of stable, high-yielding soybean varieties that are agronomically sound and resistant to various environmental stresses and diseases is a time-consuming process, requiring precise planning and efficient resource utilization, with existing methods struggling to combine desirable traits such as disease resistance, drought tolerance, and improved yield across different conditions.
Innovation Solution
The soybean variety XB28AB15R is developed through careful breeding, combining traits like resistance to aerial web blight, aphid antibiosis, and improved yield, with methods for introgressing transgenic, mutant, or native traits, and characterizing the variety for stability and uniformity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional soybean breeding methods are used to combine multiple desirable traits, then disease resistance and yield improvement can be achieved, but the breeding process becomes extremely time-consuming and resource-intensive
Solution Approach 1:
The patent segments the complex breeding process by developing distinct soybean lines with specific traits (aerial web blight resistance, aphid antibiosis) that can be independently bred and then combined through controlled crossing, reducing the overall time and resource requirements compared to attempting to develop all traits simultaneously in a single line
Solution Approach 2:
The patent uses intermediate breeding lines as mediators to transfer specific traits between parent lines. These intermediate lines serve as bridges that facilitate the combination of multiple desirable traits while maintaining genetic stability, thereby accelerating the breeding process
2Adaptability or versatility
If multiple desirable traits are combined in a single soybean variety, then agronomic performance and stress resistance are improved, but the complexity of the breeding program increases
Solution Approach 1:
The breeding program is segmented into specialized sub-programs, each focused on developing specific trait combinations. This modular approach allows for systematic management of complexity while achieving comprehensive stress resistance through the integration of multiple specialized lines
Solution Approach 2:
The patent develops soybean lines that serve multiple functions simultaneously - for example, lines that provide both aerial web blight resistance and aphid antibiosis. This multi-functionality reduces the number of separate breeding programs needed and simplifies the overall complexity
3Stability of the object's composition
If stable and uniform trait expression is achieved through extensive breeding, then yield consistency across environments is improved, but the time required for variety development increases
Solution Approach 1:
The patent performs preliminary stabilization of key traits through multiple generations of selfing and selection before final variety development. This preliminary action ensures trait stability is established early in the breeding process, reducing the time needed for later stabilization steps
Data Source
AI summary
A novel soybean variety, designated XB28AB15R is provided. Also provided are the seeds of soybean variety XB28AB15R, cells from soybean variety XB28AB15R, plants of soybean XB28AB15R, and plant parts of soybean variety XB28AB15R. Methods provided include producing a soybean plant by crossing soybean variety XB28AB15R with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety XB28AB15R, methods for producing other soybean varieties or plant parts derived from soybean variety XB28AB15R, and methods of characterizing soybean variety XB28AB15R. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety XB28AB15R are further provided.