Soybean Variety 4676311 Breeding for Trait Stability
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Solution Overview
Problem
The development of new soybean varieties is a time-consuming and unpredictable process due to the complexity of combining desirable traits like seed yield, disease resistance, and environmental adaptability, making it challenging for breeders to consistently produce superior varieties using conventional breeding methods.
Innovation Solution
The soybean variety 4676311 is developed through a specific breeding program that includes crossing, selfing, and selection, incorporating traits such as herbicide resistance, disease resistance, and improved nutritional quality, and can be used in various breeding techniques like backcrossing and genetic transformation to produce hybrid seeds and inbred plants with desired characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to combine desirable traits, then multiple traits can be integrated, but the process becomes time-consuming and unpredictable
Solution Approach 1:
The patent changes the fundamental parameter of trait combination from conventional multi-generational breeding to single-generation hybridization, achieving the combination of multiple desirable traits (yield, disease resistance, quality) in one generation rather than through repeated selection over 8-12 years
Solution Approach 2:
The patent performs preliminary selection of parental lines with specific desirable traits before hybridization, ensuring that the F1 generation inherits predetermined combinations of traits including seed yield, disease resistance, and nutritional quality, thereby eliminating the need for prolonged field selection
2Adaptability or versatility
If conventional breeding methods are used, then genetic diversity can be explored, but the results are unpredictable and require large amounts of research funding
Solution Approach 1:
The patent employs feedback mechanisms through controlled parental selection and standardized hybridization protocols, where the known genetic characteristics of parent lines provide predictable outcomes in F1 hybrids, reducing the randomness inherent in conventional breeding
Solution Approach 2:
The patent copies successful trait combinations from elite parental lines into the F1 hybrid generation, replicating desirable characteristics (disease resistance, yield potential) in a controlled manner rather than relying on random genetic recombination
3Stability of the object's composition
If repeated selfing and selection are performed to develop new varieties, then trait stabilization can be achieved, but the process requires many generations and locations
Solution Approach 1:
The patent inverts the conventional approach by stabilizing traits through hybridization rather than through repeated selfing, achieving trait stability in the F1 generation through controlled cross-breeding of selected parents rather than through many generations of inbreeding and selection
Data Source
AI summary
The invention relates to the soybean variety designated 4676311. Provided by the invention are the seeds, plants and derivatives of the soybean variety 4676311. Also provided by the invention are tissue cultures of the soybean variety 4676311 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety 4676311 with itself or another soybean variety and plants produced by such methods.