Maize Inbred PH2CTH Breeding Acceleration
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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 creating stable, high-yielding varieties with desirable traits such as disease resistance, drought tolerance, and improved agronomic characteristics.
Innovation Solution
A novel maize variety, PH2CTH, 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 properties.
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 lines with specific desirable traits (disease resistance, drought tolerance, yield potential) before hybrid development. The inbred line PH2CTH was developed through preliminary breeding steps including selection for male sterility, disease resistance, and agronomic performance, allowing faster hybrid deployment without sacrificing stability
2Adaptability or versatility
If maize varieties are developed with multiple desirable traits including disease resistance and drought tolerance, then the agronomic performance improves, but the breeding complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the complex breeding process into distinct stages: developing inbred lines with specific traits (PH2CTH with male sterility and disease resistance), developing complementary inbred lines (PTW63 with fertility restoration), and then combining them into hybrids. This segmentation allows each component to be optimized independently for specific functions
Solution Approach 2:
The patent applies universality by creating inbred line PH2CTH with multiple functions: male sterility for hybrid seed production, disease resistance for crop protection, and drought tolerance for environmental adaptability. This multi-functional inbred line serves as a universal parent that contributes multiple desirable traits to the hybrid
Data Source
AI summary
A novel maize variety designated PH2CTH and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH2CTH with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH2CTH 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 PH2CTH or a locus conversion of PH2CTH with another maize variety.