Soybean Variety 95Y21 Breeding via Marker-Assisted Selection
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Solution Overview
Problem
The challenge in soybean breeding is to develop stable, high-yielding varieties that are resistant to diseases, insects, and abiotic stresses while maintaining desirable agronomic characteristics, which is a time-consuming process requiring precise planning and resource management.
Innovation Solution
The development of the soybean variety 95Y21, which combines improved traits such as disease resistance, insect tolerance, and abiotic stress tolerance through careful breeding and selection, involving crossing and introgression of transgenic or mutant traits, and characterization using genetic markers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to develop soybean varieties with improved traits, then disease resistance and yield are improved, but the breeding process becomes time-consuming and resource-intensive
Solution Approach 1:
The patent applies preliminary action by pre-characterizing soybean accessions using molecular markers and high-throughput phenotyping before breeding crosses. This advance characterization allows breeders to select parents with desired traits more efficiently, reducing the time required for traditional breeding while maintaining disease resistance improvements.
Solution Approach 2:
The patent implements feedback through molecular marker-assisted selection and genomic prediction models that provide real-time information on trait inheritance and performance. This feedback mechanism allows breeders to make informed decisions about which crosses to pursue, accelerating the breeding process while ensuring disease resistance is maintained or improved.
2Productivity
If multiple traits are combined in a single soybean variety through breeding, then agronomic performance is improved, but the complexity of the breeding program increases
Solution Approach 1:
The patent applies universality by developing a integrated breeding platform that simultaneously evaluates multiple traits including yield, disease resistance, and abiotic stress tolerance using the same set of molecular markers and phenotyping protocols. This multi-functional approach allows breeders to select for multiple traits in a single breeding program, improving grain yield without proportionally increasing program complexity.
Solution Approach 2:
The patent utilizes parameter changes by applying genomic selection and molecular marker technologies that transform the breeding process from phenotype-based to genotype-based selection. This parameter change allows for more precise and efficient selection of plants with desired combinations of traits, reducing the complexity of managing multi-trait breeding programs while improving overall agronomic performance.
3Reliability
If soybean varieties are developed with altered fatty acid profiles for improved nutrition, then nutritional quality is enhanced, but the breeding and selection process becomes more complex
Solution Approach 1:
The patent applies mechanics substitution by replacing traditional, labor-intensive phenotypic analysis of fatty acid profiles with molecular marker-based prediction and genomic selection. This substitution of mechanical/chemical analysis with molecular biology techniques simplifies the breeding process for developing varieties with altered fatty acid profiles, reducing program complexity while maintaining or improving nutritional quality.
Data Source
AI summary
A novel soybean variety, designated 95Y21 is provided. Also provided are the seeds of soybean variety 95Y21, cells from soybean variety 95Y21, plants of soybean 95Y21, and plant parts of soybean variety 95Y21. Methods provided include producing a soybean plant by crossing soybean variety 95Y21 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety 95Y21, methods for producing other soybean varieties or plant parts derived from soybean variety 95Y21, and methods of characterizing soybean variety 95Y21. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety 95Y21 are further provided.