Maize Inbred PH41JB Breeding Acceleration via Segmentation
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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, PH41JB, 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 maize seeds with enhanced agronomic properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding processes are used to develop new varieties with desirable traits, then the varieties achieve stability and high yielding characteristics, but the development process takes six to twelve years which is time-consuming
Solution Approach 1:
The patent applies preliminary action by pre-establishing a diverse panel of inbred lines with known genetic characteristics and systematically evaluating them for desirable traits such as disease resistance, drought tolerance, and yield stability. This preliminary screening and characterization of germplasm resources allows breeders to select optimal parental combinations more efficiently, reducing the overall breeding timeline while maintaining variety stability through rigorous pre-selection of genetically superior lines
2Adaptability or versatility
If breeders select germplasm with specific desirable traits to combine in a single variety, then the variety achieves improved agronomic characteristics and quality, but the multi-step development process extends the time from first cross to finished seed delivery
Solution Approach 1:
The patent applies segmentation by dividing the complex breeding process into distinct modular stages: (1) maintenance and evaluation of individual inbred lines with specific traits, (2) systematic crossing of selected inbreds to combine desirable characteristics, (3) evaluation of hybrid progeny for agronomic performance, and (4) selection and stabilization of superior varieties. This segmented approach allows parallel development of multiple inbred lines with different traits, enabling efficient combination of disease resistance, drought tolerance, and yield improvement without extending the overall process timeline
Data Source
AI summary
A novel maize variety designated PH41JB and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH41JB with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH41JB 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 PH41JB or a locus conversion of PH41JB with another maize variety.