Maize Variety X7H262 Hybrid Trait Integration
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Solution Overview
Problem
Current maize breeding techniques face challenges in combining desirable traits such as resistance to diseases and insects, heat, and drought tolerance with high yield and uniform plant characteristics, which are essential for efficient mechanical harvesting.
Innovation Solution
The development of the maize variety X7H262, produced by crossing proprietary Pioneer Hi-Bred International inbred varieties, incorporates desirable traits through locus conversion and transformation, enabling improved resistance and agronomic performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding techniques are used to combine desirable traits, then resistance to diseases and insects can be improved, but the complexity of the breeding process increases and uniformity of plant characteristics deteriorates
Solution Approach 1:
The patent applies parameter changes by modifying specific genetic loci in the maize variety through locus conversion techniques. This allows precise alteration of traits such as disease resistance and yield potential by changing specific genetic parameters while maintaining the overall genetic uniformity of the hybrid, thereby improving resistance without increasing breeding process complexity
2Reliability
If multiple desirable traits are combined in a single hybrid, then resistance to heat and drought can be improved, but the manufacturing precision of uniform plant characteristics worsens
Solution Approach 1:
The patent applies segmentation by dividing the complex trait combination process into separate locus conversion events. Each desired trait (disease resistance, heat tolerance, drought resistance) is introduced through targeted locus conversion at specific genetic loci, allowing precise control over each trait's integration while maintaining uniformity of other plant characteristics essential for mechanical harvesting
3Productivity
If locus conversion and transformation techniques are used to improve yield and resistance, then agronomic performance can be enhanced, but the device complexity of the breeding process increases
Solution Approach 1:
The patent employs intermediary techniques by using locus conversion as a mediating process between desired traits and the maize genome. This intermediary approach allows systematic introduction of multiple desirable traits (improved yield, disease resistance, stress tolerance) through controlled genetic modification steps, managing the complexity of the breeding process while achieving enhanced agronomic performance
Data Source
AI summary
A novel maize variety designated X7H262 and seed, plants and plant parts thereof, produced by crossing Pioneer Hi-Bred International, Inc. proprietary inbred maize varieties. Methods for producing a maize plant that comprises crossing maize variety X7H262 with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X7H262 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. This invention relates to the maize variety X7H262, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X7H262. This invention further relates to methods for producing maize varieties derived from maize variety X7H262.