Soybean XR22N12 Breeding via Molecular Marker Selection
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Solution Overview
Problem
The development of new soybean varieties is a time-consuming process that requires precise planning and efficient resource use, aiming to combine desirable traits such as higher seed yield, disease resistance, drought tolerance, and improved fatty acid profiles, while existing methods are limited in efficiently introducing these traits into stable, high-yielding varieties.
Innovation Solution
The soybean variety XR22N12 is developed through a comprehensive breeding program, combining traits like resistance to aerial web blight, aphid antibiosis, and improved fatty acid profiles, with methods for introgressing transgenic or mutant traits, and using genetic marker profiles for characterization and breeding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional soybean breeding methods are used to combine desirable traits, then stable high-yielding varieties can be developed, but the process takes 6-12 years and is time-consuming
Solution Approach 1:
The patent uses molecular markers as copies or proxies for desirable traits. Instead of waiting to see if traits are expressed in the final variety, breeders can identify and select plants carrying the desired genetic markers early in the breeding process, effectively copying the information about desirable traits to accelerate selection
Solution Approach 2:
The patent performs preliminary identification of desirable traits using molecular markers before completing the full breeding cycle. By detecting the presence of specific DNA markers associated with desired traits early in the breeding process, breeders can make informed selection decisions ahead of time, reducing the overall breeding timeline
2Adaptability or versatility
If multiple desirable traits are combined in a single variety, then superior agronomic performance is achieved, but the breeding program becomes more complex
Solution Approach 1:
The patent develops a universal molecular marker system that can identify multiple different desirable traits simultaneously. The same marker-based approach can detect disease resistance, yield characteristics, and other traits, making the breeding program more efficient despite the need to combine multiple traits
Solution Approach 2:
The patent introduces molecular markers as intermediary tools that mediate between the complex genetic makeup and the breeder's selection process. These markers serve as intermediate indicators that simplify the detection and tracking of multiple desirable traits throughout the breeding program
Data Source
AI summary
A novel soybean variety, designated XR22N12 is provided. Also provided are the seeds of soybean variety XR22N12, cells from soybean variety XR22N12, plants of soybean XR22N12, and plant parts of soybean variety XR22N12. Methods provided include producing a soybean plant by crossing soybean variety XR22N12 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety XR22N12, methods for producing other soybean varieties or plant parts derived from soybean variety XR22N12, and methods of characterizing soybean variety XR22N12. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety XR22N12 are further provided.