Maize Inbred 1PSKB72 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, 1PSKB72, which incorporates specific traits like male sterility, disease resistance, and drought tolerance through genetic manipulation and transformation, along with processes for crossing and backcross conversion, to create hybrid maize seeds with improved characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding methods are used to combine desirable traits, then the resulting variety has stable and agronomically sound characteristics, 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 combining them. The inbred lines are developed and tested in advance, with their genetic and phenotypic characteristics thoroughly characterized, so that when crossing occurs, the desired traits are already predetermined and can be efficiently combined, reducing the overall development timeline while maintaining variety stability
2Adaptability or versatility
If multiple desirable traits are combined in a single maize variety, then the variety achieves high yield and stress tolerance, but the breeding process becomes more complex and time-consuming
Solution Approach 1:
The patent applies segmentation by dividing the complex breeding process into distinct phases: developing separate inbred lines, each optimized for specific traits (disease resistance, drought tolerance, yield), and then combining them through controlled crossing. This modular approach allows each inbred line to be independently optimized and characterized, making the overall process more manageable and systematic rather than attempting to combine all traits simultaneously in a single complex breeding operation
Solution Approach 2:
The patent applies universality by developing inbred lines that can serve multiple functions: they can be used individually for specific trait purposes, combined in various hybrid configurations, and deployed across different environmental conditions. The inbred lines are designed to be versatile genetic building blocks that can be adapted for different breeding objectives and market requirements, reducing the need for separate breeding programs for different trait combinations
Data Source
AI summary
A novel maize variety designated 1PSKB72 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PSKB72 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PSKB72 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 1PSKB72 or a locus conversion of 1PSKB72 with another maize variety.