Soybean Cultivar Breeding for Stable Yield and Trait Stacking
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Solution Overview
Problem
Existing soybean cultivars lack improved traits such as higher seed yield, disease resistance, drought tolerance, and altered fatty acid profiles, which are essential for enhancing agricultural productivity and nutritional value.
Innovation Solution
Development of a new soybean cultivar (20262928) with genetic modifications for herbicide resistance, disease tolerance, and tailored fatty acid composition, achieved through cross-breeding, mutagenesis, and transgenic techniques, along with regenerable tissue culture methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to combine desirable traits, then the cultivar achieves improved traits such as disease resistance and yield, but the development process becomes extremely time-consuming (6-12 years)
Solution Approach 1:
The patent applies preliminary action by pre-characterizing parental lines for specific traits (disease resistance, yield components, fatty acid profiles) before crossing. This allows breeders to select parents with desired traits in advance, reducing the time needed for trait discovery and selection during the breeding process while maintaining trait stability in the final cultivar.
2Productivity
If multiple desirable traits are integrated into a single cultivar, then the agronomic quality and yield are improved, but the breeding program complexity and resource requirements increase
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct phases: parental line selection based on specific trait profiles, controlled crossing to combine traits, and systematic evaluation of progeny for each trait. This segmented approach allows complex multi-trait cultivar development to be managed through discrete, manageable steps rather than attempting to address all traits simultaneously.
Solution Approach 2:
The patent applies parameter changes by establishing specific target parameters for each desirable trait (e.g., minimum yield thresholds, disease resistance ratings, fatty acid composition ranges). By defining quantitative parameters for each trait, the breeding program can systematically track progress and make objective decisions about which parental combinations are most likely to achieve the desired multi-trait cultivar, reducing program complexity.
3Loss of energy
If precise forward planning is implemented to manage breeding resources, then resource efficiency is improved, but the ability to adapt to new opportunities or challenges is reduced
Solution Approach 1:
The patent applies dynamics by creating a breeding program framework that is structured yet flexible. The program establishes clear guidelines for parental selection and trait evaluation to ensure resource efficiency, but also incorporates decision points where breeders can adjust priorities based on emerging opportunities or challenges. This dynamic structure allows the program to maintain resource efficiency while adapting to changing conditions.
Data Source
AI summary
A soybean cultivar designated 20262928 is disclosed. The invention relates to the seeds of soybean cultivar 20262928, to the plants of soybean cultivar 20262928, to the plant parts of soybean cultivar 20262928, and to methods for producing progeny of soybean cultivar 20262928. 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 20262928. The invention also relates to methods for producing other soybean cultivars, lines, or plant parts derived from soybean cultivar 20262928, 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 20262928 with another soybean cultivar.