Soybean Variety 4896902 Breeding Program
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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 disease resistance, yield, and environmental adaptability, making it challenging for breeders to consistently produce superior varieties.
Innovation Solution
The soybean variety 4896902 is developed through a specific breeding program that includes crossing with itself or other plants, using techniques like backcrossing and genetic transformation to introduce desired traits such as herbicide resistance, disease resistance, and improved nutritional quality, while maintaining the elite genetic background for novel variety development.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional breeding methods are used to combine desirable traits, then genetic diversity and adaptability are improved, but the breeding process becomes time-consuming and unpredictable
Solution Approach 1:
The patent applies preliminary action by pre-selecting parental lines with desired traits (herbicide resistance, disease resistance, yield characteristics) before crossing. This upfront selection and characterization of parents reduces the time needed for subsequent selection and evaluation steps in the breeding program.
Solution Approach 2:
The patent implements feedback through systematic evaluation and comparison of breeding lines against standards across multiple environments and years. This feedback mechanism allows breeders to identify superior lines more efficiently and make informed decisions about which lines to advance, reducing the overall breeding cycle time.
2Productivity
If multiple traits are combined in a single variety, then overall value and productivity are improved, but the complexity of inheritance and breeding method selection increases
Solution Approach 1:
The patent applies segmentation by breaking down the complex multi-trait breeding process into distinct phases: selecting parents with specific traits, performing targeted crosses, evaluating F1 and F2 generations for different traits, and advancing only superior lines. This segmentation of the breeding process makes managing complex inheritance patterns more manageable.
Solution Approach 2:
The patent uses parameter changes by adjusting breeding methods based on the heritability of specific traits. For highly heritable traits, selection is based on individual plant performance, while for low heritability traits, selection is based on mean values from replicated family evaluations. This flexible approach optimizes the breeding process for multiple traits simultaneously.
3Measurement precision
If superior individuals are identified through observation, then genetic superiority can be detected, but the true genotypic value remains masked by environmental factors
Solution Approach 1:
The patent applies preliminary action by conducting evaluations in multiple representative environments before final selection. This preliminary multi-environment testing reduces the masking effect of any single environment and provides a more accurate estimate of genetic worth prior to making variety advancement decisions.
Solution Approach 2:
The patent implements feedback through replicated evaluations of breeding lines across multiple locations and years, comparing performance against standards. This repeated measurement and comparison provides feedback that helps distinguish true genetic superiority from environmental effects, improving the precision of genetic worth estimation.
Data Source
AI summary
The invention relates to the soybean variety designated 4896902. Provided by the invention are the seeds, plants and derivatives of the soybean variety 4896902. Also provided by the invention are tissue cultures of the soybean variety 4896902 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety 4896902 with itself or another soybean variety and plants produced by such methods.