Soybean XB13D09 Trait Stacking via Molecular Markers
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Solution Overview
Problem
Current soybean breeding processes are time-consuming and resource-intensive, aiming to develop stable, high-yielding varieties with desirable traits like disease resistance, drought tolerance, and improved fatty acid profiles, but few varieties achieve commercial success due to the complexity of combining these traits.
Innovation Solution
The development of the soybean variety XB13D09, which is substantially homozygous and exhibits a valuable combination of traits such as glyphosate resistance, multi-race Phytophthora resistance, and good iron deficiency chlorosis tolerance, allowing for efficient breeding and production of seeds with consistent characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional soybean breeding processes are used to develop varieties with multiple desirable traits (disease resistance, drought tolerance, improved fatty acid profiles), then the combination of traits is achieved, but the process becomes extremely time-consuming and resource-intensive, taking 6-12 years from first cross to final variety
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing parental germplasm with specific desirable traits before crossing. The breeding program begins with careful selection of parents that already possess target traits (disease resistance, drought tolerance, improved fatty acid profiles), and uses molecular markers to track these traits through generations, allowing earlier identification of promising progeny and reducing the overall breeding timeline.
2Adaptability or versatility
If extensive breeding programs are conducted to create over 500,000 potential new varieties each year, then the diversity of potential varieties is maximized, but the resources and complexity required to evaluate and select from these varieties increases significantly
Solution Approach 1:
The patent replaces traditional mechanical/visual evaluation methods with molecular marker-based selection. Instead of manually evaluating thousands of potential varieties for multiple traits, the program uses DNA markers to predict and select for desirable traits early in the breeding process. This substitution of molecular biology techniques for traditional phenotypic evaluation dramatically reduces the complexity of managing large-scale breeding programs while maintaining variety diversity.
3Productivity
If breeders focus on maximizing grain production and supply, then agricultural productivity is improved, but the time and resources required to develop stable, high-yielding varieties with superior traits increases
Solution Approach 1:
The patent implements feedback mechanisms through molecular marker tracking and performance evaluation at multiple stages of the breeding program. By continuously monitoring progeny for presence of desired traits and performance characteristics, breeders can make informed decisions about which lines to advance, eliminating inferior lines early and accelerating the development of high-yielding, stable varieties that meet productivity goals.
Data Source
AI summary
According to the invention, there is provided a novel soybean variety designated XB13D09. This invention thus relates to the seeds of soybean variety XB13D09, to the plants of soybean XB13D09 to plant parts of soybean variety XB13D09 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB13D09 with another soybean plant, using XB13D09 as either the male or the female parent.