Maize Inbred 1PUTJ89 for Stable Multi-Trait Breeding
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Solution Overview
Problem
The development of new maize varieties is a time-consuming process that requires years to combine desirable traits such as disease resistance, drought tolerance, and high yield, posing challenges in efficiently producing stable and agronomically sound maize varieties.
Innovation Solution
The development of a novel maize variety, 1PUTJ89, with introduced traits like male sterility, disease resistance, and drought tolerance through backcross conversion, genetic manipulation, and transformation, along with processes for crossing and hybrid seed production to enhance genetic diversity and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding methods are used to combine desirable traits, then the resulting varieties have stable and agronomically sound characteristics, but the development process takes six to twelve years which is excessively time-consuming
Solution Approach 1:
The patent applies preliminary action by pre-establishing a diverse panel of inbred maize lines with known genetic characteristics and trait profiles before the actual breeding program begins. This preliminary genetic resource development allows breeders to quickly assemble desirable trait combinations without starting from scratch each time, significantly reducing the 6-12 year development timeline while maintaining variety stability through systematic genetic selection
2Adaptability or versatility
If multiple desirable traits are combined in a single maize variety, then the variety achieves high yield and agronomic soundness, but the complexity of the breeding program increases significantly
Solution Approach 1:
The patent applies segmentation by dividing the complex breeding program into distinct modular components: (1) development of specialized inbred lines with specific traits, (2) systematic evaluation of individual line performances, (3) controlled crossing experiments to combine traits, and (4) selection and stabilization phases. This modular approach allows independent optimization of each component and simplifies the management of multi-trait breeding programs
Solution Approach 2:
The patent employs parameter changes by systematically varying breeding program parameters such as the number of inbred lines in the panel, the specific trait combinations being pursued, the population sizes used in crossing experiments, and the selection criteria applied at each stage. This allows flexible adjustment of program complexity to match available resources and target objectives while still achieving high-yield, multi-trait varieties
Data Source
AI summary
A novel maize variety designated 1PUTJ89 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PUTJ89 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PUTJ89 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 1PUTJ89 or a locus conversion of 1PUTJ89 with another maize variety.