Maize Inbred PH2T94 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 from the first cross to delivering finished seed to farmers, 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
A novel maize variety, PH2T94, is developed through careful breeding and selection, incorporating traits like male sterility, disease resistance, and drought tolerance, achieved through backcross conversion, genetic manipulation, and transformation, allowing for the creation of hybrid seeds with enhanced agronomic characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding methods are used to combine desirable traits, then disease resistance and drought tolerance are improved, but the development time increases to six to twelve years
Solution Approach 1:
The patent applies preliminary action by developing inbred line PH2T94 with pre-introgressed desirable traits including disease resistance, drought tolerance, and male sterility. This pre-prepared inbred line can be directly crossed with other inbreds to produce hybrids, eliminating the need for lengthy breeding processes and achieving rapid variety improvement.
Solution Approach 2:
The patent uses an intermediary approach by creating a specialized inbred line PH2T94 that serves as a bridge between traditional breeding and hybrid production. This inbred line contains integrated desirable traits and can be crossed with various other inbreds to rapidly produce improved hybrids without requiring six to twelve years of conventional breeding.
2Adaptability or versatility
If multiple desirable traits are combined through conventional breeding, then agronomic characteristics are improved, but the process complexity increases
Solution Approach 1:
The patent merges multiple desirable traits including disease resistance, drought tolerance, and male sterility into a single inbred line PH2T94 through backcross conversion and genetic manipulation. This consolidation simplifies the breeding process by providing a ready-to-use inbred line that combines these traits, eliminating the need for complex multi-generational breeding programs.
Solution Approach 2:
The patent applies parameter changes by utilizing genetic manipulation and transformation techniques to directly introduce and stabilize desirable traits in the PH2T94 inbred line. This changes the breeding approach from gradual trait accumulation through conventional crossing to direct genetic modification, reducing process complexity while achieving superior agronomic characteristics.
3Stability of the object's composition
If stable high-yielding hybrids are developed through traditional methods, then yield stability is improved, but the time from first cross to finished seed delivery increases to six to twelve years
Solution Approach 1:
The patent applies preliminary action by pre-developing inbred line PH2T94 with stabilized desirable traits including disease resistance, drought tolerance, and male sterility before hybrid production. This allows immediate crossing with other inbreds to produce stable high-yielding hybrids, reducing the time from six to twelve years to a much shorter period while maintaining yield stability.
Data Source
AI summary
A novel maize variety designated PH2T94 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH2T94 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH2T94 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 PH2T94 or a locus conversion of PH2T94 with another maize variety.