Soybean Variety D5624834 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 D5624834 is developed through specific breeding methods, including crossing and selection techniques, which allow for the introduction of traits such as herbicide resistance, disease resistance, and improved nutritional quality, and can be used in breeding programs to produce hybrid seeds and plants with desired characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional breeding methods are used to combine desirable traits, then genetic diversity and adaptability are improved, but the breeding process becomes time-consuming and unpredictable

Engineering Contradiction:
ImproveadaptabilityVSAvoidbreeding time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-selecting parental lines with known desirable traits and using marker-assisted selection to track inheritance of specific genes. This allows breeders to predict outcomes before final variety development, reducing the unpredictable time element while maintaining genetic diversity and adaptability through careful parental selection.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If multiple desirable traits are combined in a single variety, then overall variety quality is improved, but the complexity of the breeding process increases

Engineering Contradiction:
Improvevariety qualityVSAvoidbreeding process complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies segmentation by dividing the breeding process into distinct stages: selecting parental lines with specific traits, crossing them to produce F1 hybrids, evaluating F2 segregation, and selecting stable lines. This segmented approach with marker-assisted selection at each stage allows systematic combination of multiple traits while managing process complexity through structured methodology.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies universality by developing a standardized breeding protocol that can be applied across different soybean varieties and trait combinations. The marker-assisted selection framework provides a universal method for tracking multiple traits simultaneously, reducing the perceived complexity by applying the same systematic approach regardless of which specific traits are being combined.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Stability of the object's composition

If repeated selfing and selection are performed to develop pureline varieties, then genetic stability is improved, but the number of generations required increases

Engineering Contradiction:
Improvegenetic stabilityVSAvoidgeneration time
Core Design Contradiction:
Stability of the object's compositionVSDuration of action of moving object

Solution Approach 1:

The patent applies feedback through marker-assisted selection, where molecular markers provide real-time information about the genetic composition of breeding lines. This feedback allows breeders to identify lines that have achieved desired genetic stability earlier in the process, potentially reducing the number of selfing generations needed while ensuring genetic stability through objective molecular evidence rather than relying solely on phenotypic observation across multiple generations.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS7678965B2Soybean variety D5624834
Publication Date: 2010.03.16 MONSANTO TECHNOLOGY LLC

AI summary

The invention relates to the soybean variety designated D5624834. Provided by the invention are the seeds, plants and derivatives of the soybean variety D5624834. Also provided by the invention are tissue cultures of the soybean variety D5624834 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety D5624834 with itself or another soybean variety and plants produced by such methods.