Maize 1DLIB1002 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, typically 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
A novel maize variety, 1DLIB1002, 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 seeds with enhanced agronomic characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to develop new maize varieties, then the variety can be stabilized and made agronomically sound, but the process takes six to twelve years
Solution Approach 1:
The patent applies preliminary action by using molecular markers to identify and select plants with desirable traits before completing the full breeding cycle. This allows breeders to make informed selections earlier in the process, accelerating the timeline while maintaining variety stability and agronomic soundness through marker-assisted selection.
Solution Approach 2:
The patent replaces traditional mechanical breeding methods with molecular biology techniques. Specifically, it uses molecular markers and genetic analysis to track and select for desirable traits, replacing the need for lengthy phenotypic evaluation and manual selection processes, thereby reducing the six to twelve year breeding cycle.
2Adaptability or versatility
If multiple desirable traits are combined in a single variety, then the variety becomes more versatile and high-yielding, but the breeding complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the complex breeding program into manageable components. Each desirable trait (disease resistance, drought tolerance, yield characteristics) is evaluated and selected independently using molecular markers, then combined in a systematic manner. This modular approach reduces overall breeding complexity while enabling the combination of multiple traits in a single variety.
Solution Approach 2:
The patent uses molecular markers as intermediaries to facilitate the combination of multiple desirable traits. These markers serve as detectable indicators that guide the selection process, allowing breeders to track and combine different traits without having to manage the entire complexity of multi-trait breeding manually. The markers act as mediators between the desired traits and the breeding process.
Data Source
AI summary
A novel maize variety designated 1DLIB1002 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1DLIB1002 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1DLIB1002 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 1DLIB1002 or a locus conversion of 1DLIB1002 with another maize variety.