Soybean Variety D4572906 Breeding via Marker-Assisted Selection
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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 using conventional breeding methods.
Innovation Solution
The soybean variety D4572906 is developed through a specific breeding history and can be used in crossing methods to produce hybrid seeds and plants with desired traits, including herbicide resistance and disease resistance, allowing for the introduction of new genetic loci through backcrossing and genetic transformation techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop new soybean varieties, then multiple desirable traits can be combined, but the process becomes time-consuming and unpredictable
Solution Approach 1:
The patent replaces conventional mechanical breeding methods (manual crossing, selection, and evaluation) with molecular marker-assisted selection technology. This allows breeders to identify and select plants with desired traits at the DNA level rather than waiting for phenotypic expression, dramatically reducing the time required to develop new varieties while maintaining the ability to combine multiple desirable traits.
Solution Approach 2:
The patent introduces molecular markers as intermediaries between genotype and phenotype. These markers serve as detectable indicators that allow breeders to track the inheritance of desirable traits through generations without waiting for the traits to manifest physically, thus accelerating the breeding process while ensuring accurate trait combination.
2Measurement precision
If conventional breeding methods are used to identify superior individuals, then genetic superiority can be assessed, but the true genotypic value is masked by environmental factors and other plant traits
Solution Approach 1:
The patent replaces phenotypic evaluation (which is susceptible to environmental masking) with genotypic evaluation using molecular markers. This substitution allows direct assessment of the genetic makeup without interference from environmental factors, providing precise measurement of genetic worth independent of external conditions.
Solution Approach 2:
The patent extracts the genetic information of interest from the complex phenotypic expression by using specific molecular markers that directly indicate the presence of desired traits. This extraction allows breeders to assess genetic value in isolation from environmental influences and other confounding plant traits.
3Adaptability or versatility
If repeated selfing and selection are performed to produce new genetic combinations, then variety diversity increases, but the process requires large amounts of research funding and produces unpredictable results
Solution Approach 1:
The patent uses molecular markers as intermediaries to track and select for diverse genetic combinations efficiently. Instead of producing large populations and evaluating them phenotypically (which is costly and time-consuming), the markers allow selective identification and propagation of desirable genetic combinations, reducing the resources needed while maintaining diversity.
Solution Approach 2:
The patent performs preliminary genetic evaluation using molecular markers early in the breeding process, allowing breeders to identify and advance only those plants with desired trait combinations. This preliminary screening prevents waste of resources on plants that will not meet breeding objectives, reducing overall research funding requirements while maintaining genetic diversity.
Data Source
AI summary
The invention relates to the soybean variety designated D4572906. Provided by the invention are the seeds, plants and derivatives of the soybean variety D4572906. Also provided by the invention are tissue cultures of the soybean variety D4572906 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety D4572906 with itself or another soybean variety and plants produced by such methods.