Hybrid Maize X08A236 Segmentation for Uniformity

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Solution Overview

Problem

Current maize breeding techniques face challenges in combining desirable traits such as disease resistance, drought tolerance, and high yield while maintaining uniformity and stability in hybrid maize varieties.

Innovation Solution

The development of the hybrid maize variety X08A236, produced by crossing proprietary Pioneer Hi-Bred International inbred varieties, which incorporates locus conversions and transformation processes to introduce specific traits, enhancing resistance to various stresses and improving agronomic performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional plant breeding is used to combine desirable traits, then disease resistance and yield can be improved, but uniformity and stability of plant characteristics deteriorate

Engineering Contradiction:
Improvedisease resistanceVSAvoiduniformity of plant characteristics
Core Design Contradiction:
ReliabilityVSStability of the object's composition

Solution Approach 1:

The patent segments the breeding process into controlled cross-breeding of specific inbred lines (PHAR and PH17RM) to create hybrid variety X08A236. This segmentation allows precise control over which traits are combined, ensuring both disease resistance and uniformity are achieved through systematic parental selection and hybridization protocols.

Inventive Principle:
Principle #1Segmentation

2Productivity

If multiple desirable traits are combined in a single hybrid, then yield and stress resistance improve, but the complexity of breeding processes increases

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

Solution Approach 1:

The patent merges multiple desirable traits (disease resistance, drought tolerance, high yield) into a single hybrid maize variety X08A236 by combining specific inbred lines. This merging approach consolidates multiple trait improvements into one unified variety, simplifying the overall breeding objective while achieving comprehensive performance enhancement.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If locus conversions and transformation processes are used to introduce specific traits, then resistance to environmental stresses improves, but manufacturing precision requirements increase

Engineering Contradiction:
Improveresistance to environmental stressesVSAvoidtrait introduction precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent uses locus conversions and transformation processes as intermediary mechanisms to introduce specific stress resistance traits into the hybrid maize variety. These intermediary processes serve as controlled bridges between the parental inbred lines and the final hybrid, enabling precise trait introduction while maintaining overall genetic stability and uniformity.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8410342B1Maize variety hybrid X08A236
Publication Date: 2013.04.02 PIONEER HI BREED INTERNATIONAL INC
  • US8410342B1 patent drawing

AI summary

A novel maize variety designated X08A236 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 hybrid maize variety X08A236 with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X08A236 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. This invention relates to the maize variety X08A236, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X08A236. This invention further relates to methods for producing maize varieties derived from maize variety X08A236.