Maize Inbred 1PWCE83 Trait Stacking for Faster Variety Development
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The development of stable, high-yielding maize varieties that are agronomically sound and adaptable to various conditions and environments is a time-consuming process, requiring years of breeding and selection to combine desirable traits such as disease resistance, drought tolerance, and improved yield.
Innovation Solution
The development of a novel maize variety, 1PWCE83, which incorporates specific genetic traits through backcross conversion, genetic manipulation, and transformation, including cytoplasmic male sterility and heritable traits like herbicide tolerance and disease resistance, along with processes for producing hybrid maize seeds and plants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding processes are used to combine desirable traits, then stable high-yielding maize varieties with disease resistance and drought tolerance are achieved, 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 performance characteristics documented, allowing breeders to make informed crossing decisions without starting from scratch each time. This preliminary preparation of genetic material with known traits accelerates the variety development process while maintaining reliability.
Solution Approach 2:
The patent implements feedback mechanisms through systematic evaluation and selection processes. Multiple generations of inbred lines are tested under various environmental conditions, and performance data on yield, disease resistance, and drought tolerance are collected and analyzed. This feedback information guides subsequent breeding decisions, allowing continuous improvement of maize varieties while tracking progress toward development goals, thereby reducing overall development time.
2Adaptability or versatility
If multiple desirable traits are combined in a single variety, then agronomic soundness and adaptability are improved, but the breeding process becomes more complex and time-consuming
Solution Approach 1:
The patent applies segmentation by dividing the complex task of creating multi-trad maize varieties into separate, manageable components. Different inbred lines are developed with specific trait combinations (e.g., one line with disease resistance, another with drought tolerance). These segmented trait packages are then systematically combined through controlled crosses, allowing breeders to manage complexity by working with discrete trait modules rather than attempting to develop all traits simultaneously in a single line.
Solution Approach 2:
The patent utilizes parameter changes by evaluating inbred lines and their hybrids under multiple environmental parameters and conditions. Performance is measured across varying temperatures, moisture levels, disease pressures, and soil types. By changing and controlling these environmental parameters during testing, the patent identifies combinations of inbred lines that maintain stability across diverse conditions, achieving adaptability through systematic parameter evaluation rather than increasing breeding complexity.
Data Source
AI summary
A novel maize variety designated 1PWCE83 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PWCE83 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PWCE83 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 1PWCE83 or a locus conversion of 1PWCE83 with another maize variety.