Soybean XB35F07 Trait Stacking
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Solution Overview
Problem
Soybean breeders face challenges in developing stable, high-yielding varieties that are resistant to diseases and environmental stresses, with existing methods being time-consuming and resource-intensive, and few varieties combining yield potential, modified fatty acid profiles, and multi-race phytophthora resistance.
Innovation Solution
The development of the soybean variety XB35F07, which is substantially homozygous and exhibits resistance to glyphosate, multi-race phytophthora, and has a low linolenic acid content, offering a valuable combination of traits including relative maturity, herbicide resistance, and phytophthora resistance governed by the Rps1k gene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional soybean breeding methods are used to develop new varieties, then genetic diversity and trait combination are improved, but the breeding process becomes time-consuming and resource-intensive
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing parental lines with specific desirable traits (high yield, disease resistance, modified fatty acid profiles) before crossing. The F1 hybrid seeds are produced and characterized in advance, allowing farmers to directly plant these pre-developed hybrids without undergoing lengthy breeding processes themselves. This preliminary development phase consolidates the time investment, making the actual cultivation phase efficient.
Solution Approach 2:
The patent creates universal F1 hybrid soybean varieties that combine multiple functions: high yield potential, resistance to multiple diseases (including multi-race phytophthora), tolerance to environmental stresses, and modified fatty acid profiles. These single varieties serve multiple purposes that would traditionally require developing separate specialized varieties, reducing the overall time and resources needed for breeders to create a portfolio of specialized lines.
2Reliability
If multiple desirable traits are combined in a single soybean variety, then variety performance and resilience are improved, but the complexity of breeding and selection processes increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct phases: selecting parental lines with specific traits, performing controlled crosses to generate F1 hybrids, and characterizing the resulting varieties. Each parental line contributes specific segmented traits (one parent for yield, another for disease resistance, another for fatty acid modification), making the complex process of combining multiple traits more manageable through systematic division of labor across different breeding steps.
Solution Approach 2:
The patent uses the F1 hybrid generation as an intermediary that bridges the gap between diverse parental lines and stable commercial varieties. The F1 hybrids serve as a mediator that combines traits from multiple parents in a single generation, allowing breeders to evaluate and select the best trait combinations before advancing to subsequent generations for stabilization. This intermediary step simplifies the overall breeding program by providing a clear evaluation point for multi-trait performance.
3Adaptability or versatility
If soybean varieties with modified fatty acid profiles are developed, then nutritional quality and industrial functionality are improved, but the breeding objectives and selection criteria become more complex
Solution Approach 1:
The patent applies parameter changes by specifically targeting and modifying fatty acid composition parameters in the soybean variety development process. Breeding programs select for altered ratios of saturated to unsaturated fatty acids, modified oleic acid content, and changed linolenic acid profiles. These parameter changes are integrated with other trait selections (yield, disease resistance) to create varieties that meet both nutritional/industrial specifications and agronomic performance requirements.
Solution Approach 2:
The patent creates soybean varieties with universally applicable modified fatty acid profiles that serve multiple end-uses. The modified fatty acid compositions improve both nutritional quality for food applications and industrial functionality for oil extraction and processing. This multi-functionality means a single variety development program can target fatty acid modification to satisfy diverse market requirements, reducing the need for separate breeding programs for different end-uses.
Data Source
AI summary
According to the invention, there is provided a novel soybean variety designated XB35F07. This invention thus relates to the seeds of soybean variety XB35F07, to the plants of soybean XB35F07 to plant parts of soybean variety XB35F07 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB35F07 with another soybean plant, using XB35F07 as either the male or the female parent.