Soybean Variety 5PHZF77 Marker-Assisted Breeding
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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 soybean variety 5PHZF77, which is self-pollinated to ensure homozygosity and phenotypic stability, along with methods for crossing, introgressing transgenic or mutant traits, and characterizing the variety to produce stable, high-yielding soybeans with improved agronomic characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional soybean variety development methods are used, then desirable traits can be combined in a variety, but the process takes six to twelve years and requires extensive resources
Solution Approach 1:
The patent applies preliminary action by using molecular markers to identify and select plants with desired traits at early developmental stages, rather than waiting for full maturity and trait expression. This allows breeders to make selection decisions much earlier in the breeding process, significantly reducing the time required to develop new varieties while maintaining trait combination stability through marker-assisted selection.
2Stability of the object's composition
If traditional breeding methods are used to ensure homozygosity and stability, then phenotypic stability is achieved, but the process becomes more time-consuming and resource-intensive
Solution Approach 1:
The patent replaces the mechanical/time-consuming process of growing plants to maturity and observing phenotypic traits with a molecular-level detection system. By using DNA markers to directly detect the genetic basis of traits, the system eliminates the need for lengthy growth cycles and environmental testing, achieving both phenotypic stability verification and increased breeding efficiency simultaneously.
3Reliability
If multiple crossing and selection steps are performed to combine desirable traits, then yield and resistance traits are improved, but the directional stability of the breeding program decreases
Solution Approach 1:
The patent implements feedback by using molecular markers to continuously monitor the genetic composition of breeding populations throughout the breeding process. This real-time genetic information allows breeders to make informed decisions at each generation, ensuring that the breeding program remains directionally stable and consistently progresses toward the desired trait combination without losing control over the genetic makeup of the developing variety.
Data Source
AI summary
A novel soybean variety, designated 5PHZF77 is provided. Also provided are the seeds of soybean variety 5PHZF77, cells from soybean variety 5PHZF77, plants of soybean 5PHZF77, and plant parts of soybean variety 5PHZF77. Methods provided include producing a soybean plant by crossing soybean variety 5PHZF77 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety 5PHZF77, methods for producing other soybean varieties or plant parts derived from soybean variety 5PHZF77, and methods of characterizing soybean variety 5PHZF77. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety 5PHZF77 are further provided.