Soybean Variety D6897751 Breeding via Molecular Markers
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Solution Overview
Problem
Current soybean breeding methods face challenges in developing stable, high-yielding varieties with desirable traits such as disease resistance, drought tolerance, and improved nutritional quality, as they rely on conventional breeding procedures that are time-consuming and unpredictable, leading to significant research costs and variability in results.
Innovation Solution
The development of the soybean variety D6897751, which includes methods for crossing and breeding to introduce specific traits like herbicide resistance, disease resistance, and improved nutritional quality through genetic transformation and backcrossing, allowing for the creation of hybrid seeds and plants with consistent physiological and morphological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional breeding procedures are used to develop soybean varieties with desirable traits, then disease resistance and nutritional quality can be improved, but the process becomes time-consuming and unpredictable
Solution Approach 1:
The patent uses molecular markers as intermediaries to detect and select for desirable traits (disease resistance, nutritional quality) at the DNA level. This mediator allows breeders to identify plants with target traits without waiting for phenotypic expression, dramatically reducing breeding time and increasing reliability of trait selection.
Solution Approach 2:
The patent replaces conventional mechanical breeding methods (crossing, phenotypic selection, field testing) with molecular marker-based selection. Instead of observing physical traits after plant growth, the system uses DNA analysis to directly identify plants with desired genetic characteristics, substituting biological/physical processes with molecular-level detection.
2Reliability
If conventional breeding procedures are used to develop soybean varieties with desirable traits, then improved traits can be achieved, but research costs become significant
Solution Approach 1:
The patent performs preliminary genetic analysis using molecular markers during early plant development stages. By identifying plants with desirable traits at the seedling or幼苗 stage through DNA extraction and marker analysis, the system prevents investment in plants that will not express target traits, reducing wasted resources on growing, harvesting, and testing unwanted varieties.
Solution Approach 2:
The patent implements feedback through molecular marker detection that provides immediate information about the genetic composition of breeding plants. This feedback mechanism allows real-time selection decisions based on actual genetic content rather than delayed phenotypic observation, enabling more efficient allocation of research resources to promising lines.
3Adaptability or versatility
If conventional breeding procedures are used, then variety development can proceed, but results show significant variability
Solution Approach 1:
Molecular markers serve as precise intermediaries that directly detect the presence or absence of specific genetic alleles associated with desirable traits. This intermediary system provides binary, unambiguous information about genetic content, eliminating the variability and subjectivity inherent in phenotypic assessment and enabling precise selection for consistent trait expression.
Data Source
AI summary
The invention relates to the soybean variety designated D6897751. Provided by the invention are the seeds, plants and derivatives of the soybean variety D6897751. Also provided by the invention are tissue cultures of the soybean variety D6897751 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety D6897751 with itself or another soybean variety and plants produced by such methods.