Maize Inbred PH48RS Breeding via Segmentation and Preliminary Action
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Solution Overview
Problem
The development of new maize varieties and hybrids is a time-consuming process, taking six to twelve years, and existing technologies face challenges in combining desirable traits such as disease resistance, drought tolerance, and high yield in a stable and agronomically sound manner.
Innovation Solution
The introduction of the novel maize variety PH48RS, which involves crossing with other maize plants to introduce traits like male sterility, disease resistance, and improved agronomic characteristics through backcross conversion, genetic manipulation, and transformation, along with specific breeding practices to produce stable and high-yielding hybrids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding processes are used to combine desirable traits, then the resulting varieties have stable and high yielding characteristics, but the development process takes six to twelve years
Solution Approach 1:
The patent applies preliminary action by pre-establishing inbred lines with specific desirable traits (disease resistance, drought tolerance, yield potential) before the actual hybrid development process. The inbred PH48RS is developed with predetermined characteristics that can be rapidly combined with other inbreds, eliminating the need for lengthy trial-and-error breeding processes and reducing overall variety development time while maintaining stability.
2Productivity
If multiple desirable traits are combined in a single variety, then the variety achieves high yield and agronomic soundness, but the breeding process becomes more complex and time-consuming
Solution Approach 1:
The patent applies segmentation by dividing the complex breeding process into separate, manageable components - developing specialized inbred lines that each possess specific desirable traits (disease resistance, drought tolerance, yield potential). The inbred PH48RS is created as a segmented unit with predetermined characteristics that can be independently developed and then rapidly combined with other inbreds through controlled crossing, simplifying the overall breeding process while achieving high-yielding varieties with multiple traits.
3Stability of the object's composition
If traditional breeding methods are used to introduce new traits, then the traits are stably inherited, but the process requires multiple generations of backcrossing and selection
Solution Approach 1:
The patent applies copying by creating inbred lines that serve as stable genetic templates or copies of desirable trait combinations. The inbred PH48RS is developed as a replicated genetic unit with consistent, stable traits that can be copied across multiple breeding cycles and combined with other inbreds. This allows rapid propagation of proven trait combinations without requiring extensive backcrossing and selection, significantly improving breeding efficiency while maintaining trait inheritance stability.
Data Source
AI summary
A novel maize variety designated PH48RS and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH48RS with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH48RS through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety PH48RS or a locus conversion of PH48RS with another maize variety.