Soybean XB07Y11 Marker-Assisted Breeding for Trait Stability
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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, but face challenges in efficiently combining these traits in a single variety.
Innovation Solution
The development of the soybean variety XB07Y11, which is the result of careful breeding and selection, combining traits like resistance to aerial web blight, aphid antibiosis, brown stem rot, and improved fatty acid composition, 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
1Reliability
If traditional soybean breeding processes are used to combine multiple desirable traits, then the variety achieves stability and high yield, but the breeding process becomes time-consuming and resource-intensive
Solution Approach 1:
The patent employs genetic marker-assisted selection where DNA markers are used to detect and track specific traits (such as disease resistance genes and fatty acid composition) during the breeding process. This feedback mechanism allows breeders to identify plants with desired traits at the molecular level rather than waiting for phenotypic expression, significantly reducing the time required to develop stable varieties while maintaining reliability through precise trait tracking across generations.
2Adaptability or versatility
If multiple desirable traits are combined in a single variety, then the variety achieves superior performance, but the breeding complexity increases
Solution Approach 1:
The patent divides the complex breeding process into manageable segments by using specific genetic markers for each desired trait (e.g., separate markers for disease resistance, fatty acid composition, and yield traits). This segmentation allows breeders to track and combine individual traits independently through marker-assisted selection, reducing the overall complexity of developing multi-trait varieties compared to traditional phenotypic selection methods.
Solution Approach 2:
The patent develops a universal breeding platform using DNA markers that can detect multiple different traits simultaneously. The same marker-assisted selection methodology can be applied to track various traits including disease resistance, fatty acid profiles, and yield characteristics, making the breeding process more efficient and less complex than developing separate breeding programs for each trait.
3Stability of the object's composition
If phenotypic stability is achieved through traditional breeding, then the variety is reliable, but the process requires six to twelve years from first cross to finished seed
Solution Approach 1:
The patent performs preliminary identification of desired traits at the molecular level using genetic markers during early breeding stages, before phenotypic expression occurs. By selecting plants with desired DNA marker profiles in early generations (F1-F2), the breeders establish the genetic foundation for phenotypic stability much earlier than traditional methods allow, accelerating the path to finished seed while ensuring reliable phenotype expression in later generations.
Data Source
AI summary
A novel soybean variety, designated XB07Y11 is provided. Also provided are the seeds of soybean variety XB07Y11, cells from soybean variety XB07Y11, plants of soybean XB07Y11, and plant parts of soybean variety XB07Y11. Methods provided include producing a soybean plant by crossing soybean variety XB07Y11 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety XB07Y11, methods for producing other soybean varieties or plant parts derived from soybean variety XB07Y11, and methods of characterizing soybean variety XB07Y11. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety XB07Y11 are further provided.