Soybean Variety 5PHVN18 Breeding for Yield Stability
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Solution Overview
Problem
The development of new soybean varieties is a time-consuming process that requires precise planning and efficient resource use, aiming to combine desirable traits such as high yield, disease resistance, and environmental tolerance, while existing methods are inefficient and directionally unstable, taking six to twelve years from the first cross to delivering finished seed to farmers.
Innovation Solution
The introduction of the novel soybean variety 5PHVN18, which combines improved traits like resistance to aerial web blight, aphids, and environmental stresses, along with methods for crossing, introgressing transgenic or mutant traits, and characterizing the variety to enhance breeding efficiency and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional soybean breeding methods are used to combine desirable traits, then the variety achieves high yield and disease resistance, but the development process takes six to twelve years and requires extensive resources
Solution Approach 1:
The patent applies preliminary action by pre-screening and selecting parent lines with desired traits (disease resistance, yield potential) before initiating the breeding program. This advance preparation of germplasm with known desirable characteristics accelerates the breeding process while ensuring the final variety meets performance targets, reducing the overall development time from 6-12 years
2Productivity
If multiple crossing and selection steps are performed to achieve stable high-yielding varieties, then the variety shows maximal yield over different conditions, but the process becomes complex and resource-intensive
Solution Approach 1:
The breeding program is segmented into distinct phases: parent line selection, initial crossing, F1 evaluation, backcrossing if needed, and multi-environment testing. Each phase has specific objectives and selection criteria, allowing systematic progression toward the goal of high-yielding stable varieties without overwhelming complexity. This structured segmentation manages the breeding process efficiency
Solution Approach 2:
The patent develops varieties that are universally adaptable to multiple environments and conditions through testing across different locations and years. The selected varieties demonstrate consistent performance (maximal yield over different conditions) across diverse agricultural settings, making them universally applicable and reducing the need for variety-specific management practices
Data Source
AI summary
A novel soybean variety, designated 5PHVN18 is provided. Also provided are the seeds of soybean variety 5PHVN18, cells from soybean variety 5PHVN18, plants of soybean 5PHVN18, and plant parts of soybean variety 5PHVN18. Methods provided include producing a soybean plant by crossing soybean variety 5PHVN18 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety 5PHVN18, methods for producing other soybean varieties or plant parts derived from soybean variety 5PHVN18, and methods of characterizing soybean variety 5PHVN18. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety 5PHVN18 are further provided.