Maize Inbred PH41JM Breeding Acceleration
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Solution Overview
Problem
The development of new maize varieties is a time-consuming process that takes six to twelve years, and there is a continuous need for stable, high-yielding maize varieties with improved traits such as disease resistance, drought tolerance, and better agronomic characteristics.
Innovation Solution
A novel maize variety, PH41JM, is developed through careful breeding and selection, incorporating traits like male sterility, disease resistance, and improved agronomic characteristics, using backcross conversion, genetic manipulation, and transformation techniques, allowing for the creation of hybrid maize seeds with enhanced properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding methods are used to develop new varieties with improved traits, then the desired traits (disease resistance, drought tolerance, yield) are achieved, but the development time becomes excessively long (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 hybridization. The inbred PH41JM has been pre-developed through systematic breeding to possess multiple desirable traits simultaneously, so that when crossed with other inbreds, the hybrid inherits these pre-selected characteristics, significantly reducing the time required for variety development while maintaining reliability.
2Adaptability or versatility
If multiple desirable traits are combined in a single maize variety through traditional breeding, then the variety becomes more complex and adaptable, but the breeding process becomes more difficult and time-consuming
Solution Approach 1:
The patent applies segmentation by dividing the complex breeding process into distinct stages: first developing individual inbred lines with specific traits (PH41JM was developed to carry multiple traits), then combining these pre-characterized inbreds through controlled crosses. This segmentation allows each inbred to be optimized for specific functions, and the final hybrid inherits a组合 of traits without requiring the breeder to manage all trait combinations simultaneously, thus reducing breeding process complexity while maintaining high adaptability.
Data Source
AI summary
A novel maize variety designated PH41JM and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH41JM with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH41JM 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 PH41JM or a locus conversion of PH41JM with another maize variety.