Soybean Variety 01067819 Molecular Marker 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 and time due to the complexity of genetic combinations and environmental factors.
Innovation Solution
The development of the soybean variety 01067819, which includes specific genetic modifications and locus conversions for traits like herbicide resistance, disease resistance, and improved agronomic characteristics, achieved through genetic transformation and backcrossing techniques, allowing for the introduction of desired traits while maintaining the original variety's morphological and physiological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional soybean breeding methods are used to develop new varieties with improved traits, then genetic diversity and trait improvement are achieved, but the breeding process requires extensive research time and is difficult to predict due to genetic complexity
Solution Approach 1:
The patent replaces conventional mechanical breeding methods (crossing, selection, and evaluation over multiple generations) with molecular marker-based selection. Specific DNA markers are identified that are tightly linked to desired traits such as herbicide resistance and yield components. Breeders can directly genotype plants for these markers and select individuals carrying the desired alleles, eliminating the need for time-consuming phenotypic evaluation and multi-generation breeding cycles. This molecular approach provides predictable trait inheritance and dramatically reduces breeding research time.
2Reliability
If multiple traits are combined in a single soybean variety to improve yield and resistance, then agronomic performance is enhanced, but the genetic combination complexity increases making breeding more difficult
Solution Approach 1:
The patent employs molecular marker-assisted selection to simultaneously track multiple genetic loci controlling different traits (herbicide resistance, yield, maturity) during breeding. By using DNA markers for each trait, breeders can select plants carrying the desired combination of alleles without the complexity of managing multiple trait expressions phenotypically. This molecular approach simplifies the breeding process even when combining multiple traits, as each trait can be independently monitored and selected through its associated marker.
Solution Approach 2:
The patent utilizes molecular markers that are naturally linked to the genes controlling desired traits. These markers serve as self-indicating systems where the presence of a specific marker allele directly indicates the presence of the corresponding desirable trait. This self-service mechanism eliminates the need for complex breeding management and phenotypic evaluation, as the markers themselves provide the selection criterion for combining multiple traits in a single variety.
3Reliability
If extensive phenotypic evaluation is performed to ensure trait stability across environments, then variety reliability is improved, but breeding productivity decreases
Solution Approach 1:
The patent replaces extensive field-based phenotypic evaluation with molecular marker genotyping. Instead of growing and evaluating numerous breeding lines across multiple environments to assess trait stability, breeders can directly genotype plants for markers tightly linked to the traits of interest. Since these markers are genetically determined and not influenced by environmental factors, they provide reliable indication of trait inheritance regardless of growing conditions. This dramatically increases breeding productivity while maintaining or improving variety reliability.
Data Source
AI summary
The invention relates to the soybean variety designated 01067819. Provided by the invention are the seeds, plants and derivatives of the soybean variety 01067819. Also provided by the invention are tissue cultures of the soybean variety 01067819 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety 01067819 with itself or another soybean variety and plants produced by such methods.