Maize Hybrid X13P476 Segmentation for Uniformity
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Solution Overview
Problem
Traditional plant breeding methods struggle to consistently combine desirable traits such as disease resistance, drought tolerance, and improved yield in maize crops, while maintaining uniformity and stability necessary for mechanical harvesting.
Innovation Solution
The development of a novel maize hybrid variety, X13P476, achieved through crossing two inbred varieties and introducing specific genetic loci via locus conversion, backcrossing, and transformation, incorporating traits like male sterility, herbicide tolerance, and resistance to diseases and insects, while ensuring uniformity and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding methods are used to combine desirable traits, then disease resistance and drought tolerance can be improved, but uniformity and stability required for mechanical harvesting deteriorate
Solution Approach 1:
The breeding program segments the combination of desirable traits by developing separate inbred lines with specific trait combinations, then crossing them to produce uniform hybrids. This allows disease resistance and drought tolerance to be incorporated in controlled segments rather than through uncontrolled traditional breeding
Solution Approach 2:
The patent changes the genetic parameters by introducing specific genetic loci through locus conversion, backcrossing, and transformation techniques. This enables precise control over trait expression while maintaining uniformity of other plant characteristics needed for mechanical harvesting
2Productivity
If multiple desirable traits are combined in a single hybrid, then yield and agronomic quality improve, but the complexity of maintaining uniformity across all traits increases
Solution Approach 1:
The patent creates a universal hybrid variety X13P476 that can serve multiple functions simultaneously - disease resistance, drought tolerance, improved yield, and uniformity for mechanical harvesting. The inbred parent lines are designed to contribute different functional traits that work together in the hybrid
Solution Approach 2:
The patent performs preliminary action by developing and stabilizing inbred parent lines with specific trait combinations before crossing them. This preliminary development work ensures that when the hybrid is produced, all desirable traits are already optimized and will express uniformly without requiring complex ongoing management
Data Source
AI summary
A novel maize variety designated X13P476 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X13P476 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X13P476 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X13P476, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X13P476 are provided. Methods for producing maize varieties derived from maize variety X13P476 and methods of using maize variety X13P476 are disclosed.