Soybean Cultivar Breeding for Yield, Disease Resistance, and Oil Quality
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Solution Overview
Problem
Existing soybean cultivars lack improved combinations of desirable traits such as higher seed yield, disease resistance, insect resistance, drought tolerance, heat tolerance, altered fatty acid profiles, and better agronomic quality, which are time-consuming to develop and require precise planning and resource efficiency.
Innovation Solution
Development of a new soybean cultivar (15150110) with genetic modifications for herbicide tolerance, disease resistance, and improved fatty acid composition, achieved through crossing, mutagenesis, and transformation methods, incorporating transgenic or mutant traits, and using specific promoters and signal sequences for targeted gene expression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional soybean breeding methods are used to develop new cultivars with improved traits, then desirable traits such as disease resistance and yield can be combined, but the development process takes 6-12 years and requires significant resources
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing parental lines with specific desirable traits (disease resistance, yield, fatty acid profile) before crossing. The parental soybean plants are evaluated for Phytophthora resistance, seed yield, and oleic acid content in advance, allowing the breeding program to start with optimized parents rather than searching through multiple generations.
Solution Approach 2:
The patent uses molecular markers to copy and track specific genetic traits through generations. By using DNA markers linked to desirable traits (such as Rps1k for Phytophthora resistance and FAD2-1A for fatty acid composition), the breeding process can identify and select plants carrying target traits without waiting for phenotypic expression, significantly reducing selection time.
2Productivity
If multiple desirable traits are combined in a single cultivar through traditional breeding, then improved seed yield and disease resistance can be achieved, but the process requires precise forward planning and efficient resource use
Solution Approach 1:
The patent segments the breeding program into distinct phases: parental line selection, crossing, F1 evaluation, backcrossing, and selection. Each phase has specific objectives and selection criteria. For example, the first cross combines high-yield parent 1 with disease-resistant parent 2, then subsequent backcrosses introduce additional traits while maintaining yield performance. This segmentation allows complex multi-trait development to be managed through manageable steps.
Solution Approach 2:
The patent employs molecular markers that serve multiple functions simultaneously - they track inheritance of target traits, identify heterozygous plants for backcrossing decisions, and verify genetic composition. The same marker system is used across different breeding stages and for different traits, providing a universal tool that simplifies the overall breeding program complexity.
3Stability of the object's composition
If soybean cultivars are developed with altered fatty acid profiles for improved oxidative stability and nutrition, then oil quality can be enhanced, but the breeding process becomes more time-consuming
Solution Approach 1:
The patent directly changes the fatty acid composition parameter by selecting parental lines with known fatty acid profiles (oleic acid content, linoleic acid content) and using molecular markers (FAD2-1A, FAD6 genes) to track these compositional traits. This allows breeders to select for altered fatty acid profiles without waiting for full phenotypic expression, accelerating the development of oils with improved oxidative stability.
Solution Approach 2:
The patent replaces traditional mechanical phenotypic selection (which requires growing plants to maturity and analyzing oil composition) with molecular marker-based selection. By using DNA markers that correlate with fatty acid composition, the breeding program can identify plants with desired oil quality characteristics at earlier stages, eliminating the need to wait for oil extraction and analysis.
Data Source
AI summary
A soybean cultivar designated 15150110 is disclosed. The invention relates to the seeds of soybean cultivar 15150110, to the plants of soybean cultivar 15150110, to the plant parts of soybean cultivar 15150110, and to methods for producing progeny of soybean cultivar 15150110. The invention also relates to methods for producing a soybean plant containing in its genetic material one or more transgenes and to the transgenic soybean plants and plant parts produced by those methods. The invention also relates to soybean cultivars or breeding cultivars, and plant parts derived from soybean cultivar 15150110. The invention also relates to methods for producing other soybean cultivars, lines, or plant parts derived from soybean cultivar 15150110, and to the soybean plants, varieties, and their parts derived from use of those methods. The invention further relates to hybrid soybean seeds, plants, and plant parts produced by crossing cultivar 15150110 with another soybean cultivar.