Soybean D2011901 Breeding via Segmented Parental Selection
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Solution Overview
Problem
Current soybean breeding methods face challenges in developing stable, high-yielding soybean varieties that combine desirable traits such as disease resistance, drought tolerance, and improved nutritional quality, while existing technologies struggle to predict and replicate superior genetic combinations efficiently.
Innovation Solution
The development of the soybean variety D2011901, which involves crossing specific parental lines, using techniques like backcrossing and genetic transformation to introduce desired traits like herbicide resistance, disease resistance, and improved nutritional quality, and employing tissue culture methods for regeneration and propagation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional soybean breeding methods are used to develop new varieties, then genetic diversity and trait combination are improved, but breeding time and resource requirements increase significantly
Solution Approach 1:
The patent applies preliminary action by pre-characterizing parental lines for multiple traits (yield, disease resistance, quality) before crossing. This advance preparation of parental germplasm with known trait profiles enables more efficient selection and reduces the time required for variety development compared to conventional breeding where parental selection is less systematic.
Solution Approach 2:
The patent implements feedback through systematic evaluation and characterization of breeding lines at multiple stages. Performance data from field trials and quality assessments feed back into selection decisions, allowing breeders to identify superior combinations more efficiently and adjust breeding strategies based on measured outcomes rather than relying solely on traditional multi-year field testing.
2Reliability
If multiple desirable traits are combined in a single variety through conventional breeding, then agronomic quality and resistance are improved, but the complexity of the breeding program increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct functional components: parental line selection based on specific trait profiles, controlled crossing to combine desired traits, and systematic evaluation of progeny for each trait category. This structured segmentation of the breeding process makes managing complex multi-trait varieties more manageable compared to conventional undifferentiated breeding approaches.
Solution Approach 2:
The patent implements local quality by selecting parental lines with specific local excellences in different trait areas (e.g., one parent excelling in disease resistance, another in yield). This allows each parent to contribute its specialized strength, and the resulting variety integrates these localized qualities into a comprehensive package of improved traits.
3Stability of the object's composition
If extensive field testing and evaluation are conducted to ensure variety stability, then reliability and uniformity are improved, but productivity and resource use efficiency decrease
Solution Approach 1:
The patent applies preliminary action by conducting preliminary evaluations of breeding lines for key traits before committing to extensive multi-location field testing. This preliminary screening based on controlled environment assessments and parental performance data allows early elimination of inferior lines, reducing the number of candidates requiring resource-intensive extensive testing while maintaining variety stability.
Solution Approach 2:
The patent implements partial action by conducting focused evaluation of specific critical traits rather than exhaustive testing of all possible characteristics. This selective emphasis on key stability-determining traits (such as disease resistance consistency and yield stability) achieves sufficient variety reliability without the complete resource expenditure of comprehensive multi-year multi-location trials for every breeding line.
Data Source
AI summary
The invention relates to the soybean variety designated D2011901. Provided by the invention are the seeds, plants and derivatives of the soybean variety D2011901. Also provided by the invention are tissue cultures of the soybean variety D2011901 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety D2011901 with itself or another soybean variety and plants produced by such methods.