Maize 1PEUP12 Breeding via Marker-Assisted Selection
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Solution Overview
Problem
The development of new maize varieties and hybrids is a time-consuming process, taking six to twelve years, and existing technologies face challenges in combining desirable traits such as disease resistance, drought tolerance, and high yield in a stable and agronomically sound manner.
Innovation Solution
The introduction of the novel maize variety 1PEUP12, which involves specific breeding techniques including backcross conversion, genetic manipulation, and transformation to incorporate traits like male sterility, disease resistance, and improved agronomic characteristics, along with processes for producing hybrid seeds through controlled pollination and tissue culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to develop new maize varieties, then desirable traits such as disease resistance and high yield can be combined, but the development process takes six to twelve years
Solution Approach 1:
The patent applies preliminary action by using molecular markers to identify and select plants with desired traits at early stages of breeding, rather than waiting for traditional multi-year field trials. This allows breeders to pre-screen large populations for specific genetic combinations, significantly accelerating the variety development process while maintaining trait stability.
Solution Approach 2:
The patent implements feedback through molecular marker-assisted selection, where genetic information is continuously monitored and used to guide breeding decisions. This feedback mechanism allows for real-time selection of plants with desired trait combinations, reducing the time required to develop stable varieties compared to traditional phenotypic selection methods.
2Adaptability or versatility
If multiple desirable traits are combined in a single variety, then agronomic performance and yield stability improve, but the breeding process becomes more complex
Solution Approach 1:
The patent applies segmentation by breaking down the complex breeding process into manageable stages using molecular markers for different traits. Each marker set targets specific traits (disease resistance, yield components, stress tolerance), allowing breeders to systematically combine multiple traits through sequential selection rather than attempting to manage all traits simultaneously in a single complex cross.
Solution Approach 2:
The patent implements universality through the use of molecular markers that can detect multiple traits simultaneously. A single marker-assisted selection system can screen for various desirable traits including disease resistance, yield characteristics, and stress tolerance, making the breeding process more efficient and less complex than traditional methods that would require separate selection procedures for each trait.
Data Source
AI summary
A novel maize variety designated 1PEUP12 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PEUP12 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PEUP12 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 1PEUP12 or a locus conversion of 1PEUP12 with another maize variety.