Maize Inbred PH262F Accelerates Hybrid Development
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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 creating stable, high-yielding varieties with desirable traits such as disease resistance, drought tolerance, and improved agronomic characteristics.
Innovation Solution
The introduction of the novel maize variety PH262F, which involves crossing with another maize plant to introduce desired traits through backcross conversion, genetic manipulation, and transformation, and the use of cytoplasmic or nuclear factors for male sterility to prevent self-pollination, allowing for the production of hybrid maize seeds with enhanced characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding methods are used to develop new varieties with desirable traits, then the varieties achieve stability and high yield, but the development process takes six to twelve years
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing inbred line PH262F with specific desirable traits (disease resistance, yield potential, agronomic characteristics) before hybrid development. This preliminary characterization of the base inbred line accelerates the overall breeding process by having ready-to-use genetic material with known properties, reducing the time needed for variety development while maintaining stability.
2Adaptability or versatility
If multiple desirable traits are combined in a single variety through traditional breeding, then the variety achieves high yield and stability, but the breeding process becomes increasingly complex and time-consuming
Solution Approach 1:
The patent merges multiple desirable traits (disease resistance, drought tolerance, yield potential, agronomic characteristics) into a single inbred line PH262F through systematic breeding. This consolidation of traits into one parent line simplifies the breeding process by providing a ready-made genetic package that can be crossed with other lines to produce hybrids inheriting these combined traits, reducing overall breeding complexity.
Solution Approach 2:
The inbred line PH262F serves as a universal parent with multiple functions: it provides disease resistance, yield potential, and agronomic characteristics that can be combined with various other inbred lines. This multi-functional parent line can be used across different hybrid development programs, reducing the need for separate breeding efforts for each trait combination.
3Productivity
If conventional variety development processes are followed, then new maize varieties are delivered to farmers, but the process requires extensive time and resources over six to twelve years
Solution Approach 1:
The patent performs preliminary action by completing extensive characterization and selection of inbred line PH262F in advance, establishing it as a ready-to-use parent with known desirable traits. This preliminary work includes evaluating disease resistance, yield potential, and agronomic characteristics, so that when hybrid development is initiated, the base material is already prepared, significantly accelerating the time to variety delivery to farmers.
Data Source
AI summary
A novel maize variety designated PH262F and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH262F with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH262F 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 PH262F or a locus conversion of PH262F with another maize variety.