Soybean Variety 01073439 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 improved traits such as disease resistance, drought tolerance, and herbicide resistance, which are difficult to predict and require extensive research and time due to the unpredictability of genetic combinations in conventional breeding.
Innovation Solution
The development of the soybean variety 01073439, which includes specific genetic modifications and locus conversions, such as those conferring herbicide resistance and disease tolerance, achieved through genetic transformation and backcrossing techniques, allowing for the introduction of desired traits while maintaining the original variety's morphological and physiological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop soybean varieties with improved traits, then genetic diversity and trait combinations can be achieved, but the process requires extensive time and shows high unpredictability in results
Solution Approach 1:
The patent applies preliminary action by pre-selecting parental lines with desired traits (herbicide resistance, disease tolerance, yield characteristics) before crossing. The breeding program systematically evaluates parental germplasm for specific traits and uses molecular markers to predict progeny performance, reducing the time required for field testing multiple generations while maintaining trait diversity.
2Adaptability or versatility
If conventional breeding methods are used to develop soybean varieties with improved traits, then genetic diversity and trait combinations can be achieved, but the process shows high unpredictability in results
Solution Approach 1:
The patent implements feedback through molecular marker-assisted selection, where DNA markers linked to desired traits are used to screen progeny at the seedling stage. This provides early feedback on which plants inherit target traits, allowing breeders to selectively advance only those individuals with the desired genetic composition, thereby increasing result predictability while maintaining genetic diversity.
3Loss of time
If genetic transformation and backcrossing techniques are used to introduce desired traits, then breeding time and unpredictability are reduced, but the complexity of the breeding program increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct modular stages: (1) selection of parental lines with specific traits, (2) controlled crossing to generate F1 hybrids, (3) backcrossing to recurrent parent, (4) molecular marker screening of progeny, and (5) evaluation of selected lines. This segmented approach manages program complexity by making each stage independent and systematically trackable, reducing breeding time through parallel processing of multiple crosses and generations.
Data Source
AI summary
The invention relates to the soybean variety designated 01073439. Provided by the invention are the seeds, plants and derivatives of the soybean variety 01073439. Also provided by the invention are tissue cultures of the soybean variety 01073439 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety 01073439 with itself or another soybean variety and plants produced by such methods.