Soybean Variety A1037390 Breeding via Marker-Assisted Selection
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Solution Overview
Problem
Current soybean breeding methods face challenges in developing stable, high-yielding varieties with desirable traits such as disease resistance, drought tolerance, and improved nutritional quality, as they rely on conventional breeding techniques that are time-consuming and unpredictable, leading to genetic variability and environmental dependence.
Innovation Solution
The development of the soybean variety A1037390, which is adapted for late group II growing regions, involves a breeding history including specific crosses and selection for traits like disease resistance, herbicide tolerance, and improved agronomic characteristics, and can be propagated through methods like backcrossing and genetic transformation to introduce desired traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional breeding techniques are used to develop soybean varieties, then genetic diversity and adaptability are maintained, but the breeding process becomes time-consuming and unpredictable with variable results
Solution Approach 1:
The patent employs preliminary selection of parental lines with specific desirable traits (disease resistance, yield potential, nutritional quality) before crossing. This preliminary preparation and pre-screening of parents accelerates the breeding process by ensuring that only the most promising combinations are advanced through multiple generations, reducing the time required to achieve reliable results.
Solution Approach 2:
The patent utilizes molecular markers and genetic analysis to change the measurement parameters from traditional phenotypic observation to genotypic characterization. This allows breeders to select plants based on DNA markers associated with desirable traits rather than waiting for phenotypic expression, significantly reducing breeding cycle time and improving result consistency.
2Manufacturing precision
If conventional breeding techniques are used to develop soybean varieties, then natural genetic variation is preserved, but the development of stable high-yielding varieties with specific desirable traits becomes unpredictable
Solution Approach 1:
The patent implements feedback mechanisms through molecular marker-assisted selection, where DNA markers provide continuous information about the presence of desirable traits during the breeding process. This feedback allows breeders to make informed selection decisions at each generation, ensuring consistent accumulation of target traits and improving both trait consistency and breeding efficiency.
Solution Approach 2:
The patent replaces traditional mechanical/phenotypic selection methods with molecular/genotypic selection systems. Instead of visually assessing plant traits that may be influenced by environmental factors, the patent uses DNA-based markers to directly identify plants carrying desired genetic traits, achieving greater precision and reliability in variety development.
3Reliability
If soybean varieties are developed for specific growing regions, then local adaptability is improved, but the variety's versatility across different environments is reduced
Solution Approach 1:
The patent develops soybean varieties that combine multiple desirable traits (disease resistance, yield potential, nutritional quality) in a single genotype that can perform across different environments. By selecting parental lines with broad adaptability and using marker-assisted selection to fix multiple beneficial traits, the resulting varieties achieve both performance stability and environmental versatility.
Solution Approach 2:
The patent applies local quality by developing varieties with specific trait combinations suited for particular growing regions while maintaining the genetic architecture for broad adaptability. Molecular markers allow identification of alleles that confer both local adaptation and general performance, enabling varieties to excel in specific environments without sacrificing overall versatility.
Data Source
AI summary
The invention relates to the soybean variety designated A1037390. Provided by the invention are the seeds, plants and derivatives of the soybean variety A1037390. Also provided by the invention are tissue cultures of the soybean variety A1037390 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety A1037390 with itself or another soybean variety and plants produced by such methods.