Maize Hybrid X08K235 Segmentation for Uniformity and Disease Resistance

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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 agronomic quality necessary for mechanical harvesting.

Innovation Solution

Development of the hybrid maize variety X08K235, produced by crossing two inbred maize varieties, incorporating genetic loci for traits like male sterility, herbicide tolerance, and disease resistance through locus conversion and transformation, ensuring uniform physiological and morphological characteristics.

Engineering Contradictions & Design Principles

VSEngineering 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 agronomic quality necessary for mechanical harvesting deteriorate

Engineering Contradiction:
Improvedisease resistanceVSAvoiduniformity
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

The patent segments the breeding process into distinct parental lines (inbred lines) with specific trait combinations, allowing systematic control over which traits are combined in the hybrid while maintaining uniformity within each parental line for mechanical harvesting compatibility

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different parental lines are developed with specialized local qualities - one parent contributes disease resistance traits while the other contributes uniformity traits, allowing each to excel at their specific function without compromising the other

Inventive Principle:
Principle #3Local quality

2Productivity

If multiple desirable traits are combined in a single hybrid, then productivity and resistance can be improved, but the complexity of maintaining uniformity deteriorates

Engineering Contradiction:
ImproveyieldVSAvoidbreeding process complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

Multiple desirable traits from different parental lines are merged into a single hybrid variety, combining disease resistance, drought tolerance, and uniformity characteristics that individually contribute to improved productivity while the hybridization process itself simplifies the expression of these traits

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The hybrid variety serves multiple functions simultaneously - it provides disease resistance, drought tolerance, uniform maturity, and mechanical harvesting compatibility, making it a multi-functional solution that addresses several agricultural requirements in one variety

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS9877458B1Maize hybrid X08K235
Publication Date: 2018.01.30 PIONEER HI BREED INTERNATIONAL INC
  • US9877458B1 patent drawing

AI summary

A novel maize variety designated X08K235 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 X08K235 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X08K235 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. This invention relates to the maize variety X08K235, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X08K235. This invention further relates to methods for producing maize varieties derived from maize variety X08K235.