Soybean Variety 01072293 Marker-Assisted Breeding
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Solution Overview
Problem
Current soybean breeding methods face challenges in developing stable, high-yielding varieties with improved traits such as disease resistance, drought tolerance, and herbicide resistance, which are difficult to predict and require extensive research efforts due to the complexity of genetic combinations and environmental factors.
Innovation Solution
The development of the soybean variety 01072293, which includes specific genetic modifications and locus conversions for traits like herbicide resistance, disease resistance, and improved agronomic characteristics through techniques like backcrossing and genetic transformation, allowing for the introduction of desirable traits while maintaining the original variety's morphological and physiological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop soybean varieties with improved traits, then genetic diversity and trait combinations can be explored, but the process requires extensive research efforts and time due to the complexity of genetic combinations and environmental factors
Solution Approach 1:
The patent applies preliminary action by using molecular markers to identify and select parent plants possessing desired traits before actual crossing occurs. This pre-screening of parental germplasm based on marker-assisted selection reduces the time required for breeding by eliminating unsuccessful combinations early in the process, rather than waiting for phenotypic expression and environmental evaluation.
Solution Approach 2:
The patent replaces the traditional mechanical/phenotypic selection system with a molecular-level selection system using DNA markers. Instead of relying on observable traits that are influenced by environmental factors and require extensive field testing, the invention uses molecular marker analysis to directly identify genetic combinations associated with desired traits, significantly accelerating the breeding process.
2Reliability
If multiple traits are combined in a single soybean variety through breeding, then improved agronomic performance can be achieved, but the complexity of managing and selecting for multiple traits simultaneously increases the difficulty of the breeding process
Solution Approach 1:
The patent applies segmentation by breaking down the complex task of selecting for multiple traits into separate, manageable components using trait-specific molecular markers. Each desired trait (e.g., disease resistance, yield, maturity) has its own marker or set of markers that can be independently tracked and selected for during the breeding process, allowing breeders to manage complex multi-trait combinations systematically rather than as an undifferentiated whole.
Solution Approach 2:
The patent implements feedback through molecular marker analysis that provides immediate information about the genetic composition of breeding lines. This feedback mechanism allows breeders to track the inheritance and combination of multiple traits across generations, making informed decisions about which lines to advance or discard based on their genetic makeup rather than waiting for phenotypic expression, thereby reducing program complexity.
3Measurement precision
If extensive phenotypic evaluation and field testing are conducted to ensure variety stability, then reliable selection of superior varieties can be made, but the process becomes more time-consuming and resource-intensive
Solution Approach 1:
The patent transitions from two-dimensional phenotypic evaluation (observable traits in the field) to a third-dimensional approach that includes molecular genetic information. By adding the molecular marker dimension to the selection process, breeders can accurately assess genetic potential without requiring extensive phenotypic expression and environmental testing, thereby maintaining selection accuracy while accelerating breeding productivity.
Solution Approach 2:
The patent applies preliminary action by performing molecular marker analysis on breeding lines at early stages before extensive field testing. This preliminary genetic assessment provides accurate information about trait inheritance and combination, allowing breeders to make selection decisions earlier in the breeding cycle and reduce the number of lines that require time-consuming and resource-intensive phenotypic evaluation and multi-environment field trials.
Data Source
AI summary
The invention relates to the soybean variety designated 01072293. Provided by the invention are the seeds, plants and derivatives of the soybean variety 01072293. Also provided by the invention are tissue cultures of the soybean variety 01072293 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety 01072293 with itself or another soybean variety and plants produced by such methods.