Soybean Variety A1026823 Breeding for Trait Stability
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Solution Overview
Problem
Current soybean breeding methods face challenges in developing stable, high-yielding soybean varieties that combine desirable traits such as disease resistance, drought tolerance, and improved nutritional quality, with existing techniques being time-consuming and unpredictable, and lacking control over genetic combinations.
Innovation Solution
The development of the soybean variety A1026823, which is adapted for late group 3 growing regions, involves specific breeding techniques including backcrossing and genetic transformation to introduce desired traits like herbicide resistance, disease resistance, and improved nutritional quality, while maintaining the variety's morphological and physiological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional soybean breeding methods are used, then existing varieties can be maintained, but the development of new varieties with multiple desirable traits is time-consuming and unpredictable
Solution Approach 1:
The patent applies preliminary action by performing genetic transformation and backcrossing operations in advance to introduce desired traits (disease resistance, drought tolerance, herbicide resistance) into the soybean variety before field testing and selection. This allows the breeding program to start with a head start on trait integration, reducing the overall breeding cycle time while maintaining predictability through controlled genetic modifications.
2Reliability
If conventional breeding techniques are used, then simple crossing is possible, but control over genetic combinations and trait stability is limited
Solution Approach 1:
The patent applies parameter changes by systematically modifying genetic parameters through controlled backcrossing generations (BC1, BC2, BC3) and selecting specific phenotypic parameters (plant height, pod number, seed weight) to achieve stable trait combinations. This controlled modification of genetic and phenotypic parameters ensures trait stability while managing program complexity through structured selection criteria.
3Productivity
If multiple desirable traits are combined in a single variety, then agronomic performance improves, but the breeding process becomes more complex and less predictable
Solution Approach 1:
The patent applies merging by integrating multiple desirable traits (disease resistance, drought tolerance, herbicide resistance, improved grain quality) into a single soybean variety through systematic backcrossing. The breeding program combines these traits by crossing transformed lines with selected parents and maintaining multiple generations of backcrossing, thereby achieving high agronomic performance while managing complexity through a structured multi-trait integration approach.
Data Source
AI summary
The invention relates to the soybean variety designated A1026823. Provided by the invention are the seeds, plants and derivatives of the soybean variety A1026823. Also provided by the invention are tissue cultures of the soybean variety A1026823 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety A1026823 with itself or another soybean variety and plants produced by such methods.