Soybean Variety 4502135 Breeding for Trait Consistency
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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 inheritance and the need to identify genetically superior plants, which requires extensive research and resource allocation without guaranteed results.
Innovation Solution
The soybean variety 4502135 is developed through specific breeding methods, including crossing and selection techniques, which involve recurrent selection, backcrossing, and genetic transformation to introduce desirable traits such as herbicide resistance, disease resistance, and improved nutritional quality, allowing for the production of hybrid seeds and plants with consistent physiological and morphological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop new soybean varieties, then genetic diversity and trait combination are improved, but the development time and resource expenditure increase significantly
Solution Approach 1:
The patent applies preliminary action by pre-screening parental lines for desired traits (herbicide resistance, disease resistance, nutritional quality) before crossing. This advance preparation of parental germplasm with known superior traits reduces the time needed for variety development by eliminating the need to screen large numbers of progeny for these basic traits.
Solution Approach 2:
The patent employs feedback mechanisms through systematic evaluation and comparison of breeding lines against established standards and control varieties. Performance data from field trials are used to guide selection decisions and refine breeding strategies, improving efficiency by focusing resources on the most promising lines rather than evaluating all possibilities.
2Measurement precision
If extensive screening and evaluation of breeding lines is performed to identify genetically superior plants, then selection accuracy is improved, but resource expenditure and complexity increase
Solution Approach 1:
The patent segments the breeding evaluation process into distinct phases: initial parental selection based on known traits, F1 hybrid evaluation for heterosis, and advanced line testing for stability. This segmentation allows each stage to focus on specific criteria, improving selection accuracy without requiring all evaluation methods to be applied simultaneously, thus managing program complexity.
Solution Approach 2:
The patent applies local quality by evaluating different traits at different stages of breeding development. Early stages focus on inheritance patterns and basic agronomic traits, while later stages emphasize yield stability and adaptability to specific environments. This staged approach to evaluation improves accuracy for each trait type without overwhelming the breeding program with simultaneous complexity.
3Stability of the object's composition
If multiple generations of crossing and selection are performed to achieve desired traits, then trait purity and consistency are improved, but the breeding cycle duration increases
Solution Approach 1:
The patent uses an intermediary approach by introducing specific parental lines with known genetic characteristics as mediators to transfer desired traits. By selecting parents with complementary traits (e.g., one parent with herbicide resistance, another with disease resistance), the breeding process achieves trait consistency more efficiently than through repeated random crossing and selection, reducing the number of generations required.
Solution Approach 2:
The patent applies parameter changes by modifying breeding strategies based on observed performance data. When certain traits show rapid fixation or when heterosis is consistently observed, the breeding program adjusts the number of selfing generations or the selection intensity accordingly. This flexible approach maintains trait consistency while minimizing unnecessary breeding cycle extensions.
Data Source
AI summary
The invention relates to the soybean variety designated 4502135. Provided by the invention are the seeds, plants and derivatives of the soybean variety 4502135. Also provided by the invention are tissue cultures of the soybean variety 4502135 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety 4502135 with itself or another soybean variety and plants produced by such methods.