Soybean Cultivar S170161 Breeding via Marker-Assisted Selection
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Solution Overview
Problem
The development of new soybean cultivars is a time-consuming process that requires precise planning and efficient resource use, aiming to combine desirable traits such as high seed yield, disease resistance, drought tolerance, and improved fatty acid profile, while existing methods struggle to efficiently introduce and stabilize these traits in a single cultivar.
Innovation Solution
The introduction of the soybean cultivar S170161, which involves crossing and mutagenesis or transformation to incorporate traits like glyphosate herbicide tolerance and disease resistance, along with regenerable cells for tissue culture to produce plants with consistent morphological and physiological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional soybean breeding methods are used to combine desirable traits, then the cultivar achieves stable inheritance of traits, but the breeding process takes 6-12 years and is time-consuming
Solution Approach 1:
The patent applies preliminary action by using molecular marker-assisted selection to pre-identify plants carrying desired traits before phenotypic expression occurs. This allows breeders to select for multiple traits simultaneously at early generation stages (F2-F4) rather than waiting for trait expression in later generations, significantly compressing the breeding timeline while maintaining trait stability through verified genetic inheritance.
2Adaptability or versatility
If multiple desirable traits are combined in a single cultivar, then the agronomic quality improves, but the breeding program complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct modular phases: (1) parental selection based on molecular markers, (2) F1 hybridization, (3) F2-F4 generation screening using marker-assisted selection for individual traits, and (4) final cultivar development. This modular approach allows systematic combination of multiple traits (disease resistance, yield, quality) while managing program complexity through structured, repeatable procedures for each trait integration.
3Productivity
If precise forward planning is implemented in cultivar development, then resource efficiency improves, but the ability to make changes in direction decreases
Solution Approach 1:
The patent applies feedback through molecular marker-assisted selection, which provides real-time genetic information about trait inheritance in each generation. This feedback mechanism allows breeders to verify whether desired traits are being successfully combined and inherited as planned, enabling data-driven decisions about whether to continue the current breeding direction or make adjustments. The molecular markers serve as continuous feedback signals throughout the breeding process, balancing resource efficiency with adaptive flexibility.
Data Source
AI summary
A soybean cultivar designated S170161 is disclosed. The invention relates to the seeds of soybean cultivar S170161, to the plants of soybean cultivar S170161, to the plant parts of soybean cultivar S170161, and to methods for producing progeny of soybean cultivar S170161. 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 S170161. The invention also relates to methods for producing other soybean cultivars, lines, or plant parts derived from soybean cultivar S170161, 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 S170161 with another soybean cultivar.