Hybrid Maize X13T112 for Stable Multi-Trait Crop Performance

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Solution Overview

Problem

Existing hybrid maize varieties often lack a combination of desirable traits such as disease resistance, heat and drought tolerance, and improved agronomic qualities, which are crucial for efficient crop production and mechanical harvesting.

Innovation Solution

Development of a novel maize hybrid variety X13T112, produced by crossing specific inbred varieties, incorporating genetic loci for traits like male sterility, herbicide tolerance, and disease resistance, achieved through backcrossing and genetic transformation, and utilizing cytoplasmic inheritance for male sterility management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional plant breeding methods are used to develop hybrid maize varieties, then various desirable traits can be combined, but the process is time-consuming and lacks precision in trait integration

Engineering Contradiction:
Improvecombination of desirable traitsVSAvoidbreeding process time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent applies parameter changes by utilizing precise genetic transformation techniques to introduce specific traits at defined genomic locations. This allows controlled modification of genetic parameters (gene insertion, deletion, or replacement) to achieve desired trait combinations more efficiently than traditional breeding, reducing the time required while maintaining trait versatility.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs molecular markers and selective screening mechanisms as intermediaries to track and select for desired traits during the breeding process. These intermediaries enable precise identification and selection of plants with target traits, accelerating the breeding process while ensuring accurate trait integration.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If multiple traits are introduced into maize varieties through backcrossing and transformation, then disease resistance, herbicide tolerance, and other qualities improve, but the genetic complexity and difficulty of maintaining uniformity increase

Engineering Contradiction:
Improvedisease resistance and trait stabilityVSAvoidgenetic structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies local quality by introducing specific traits at particular genomic locations through targeted genetic transformation. Each trait is inserted at a defined locus with appropriate regulatory elements, ensuring localized expression and minimizing unintended effects on other genetic regions. This approach maintains genetic uniformity while incorporating multiple desirable traits.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent segments the genetic modification process into distinct modules, with each trait introduced as a separate genetic construct. This modular approach allows independent optimization and selection of each trait, simplifying the management of genetic complexity while achieving reliable multi-trait expression in the final variety.

Inventive Principle:
Principle #1Segmentation

3Productivity

If mechanical harvesting is implemented, then crop production efficiency improves, but uniformity of plant characteristics such as maturity and plant height becomes critical and harder to maintain

Engineering Contradiction:
Improvecrop production efficiencyVSAvoiduniformity of plant characteristics
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent applies universality by developing a standardized genetic background that supports uniform expression of multiple agronomic traits including maturity, plant height, and other characteristics critical for mechanical harvesting. This universal genetic platform ensures consistent plant architecture across diverse growing conditions, enabling reliable mechanical harvest operations.

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

Solution Approach 2:

The patent utilizes parameter changes by selectively modifying genes that control key agronomic parameters such as maturity timing and plant height. Through precise genetic transformation and selection, uniform phenotypic parameters are established across the population, ensuring compatibility with mechanical harvesting requirements while maintaining high productivity.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12484516B1Maize hybrid X13T112
Publication Date: 2025.12.02 PIONEER HI BREED INTERNATIONAL INC
  • US12484516B1 patent drawing

AI summary

A novel maize variety designated X13T112 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 X13T112 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X13T112 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X13T112, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X13T112 are provided. Methods for producing maize varieties derived from maize variety X13T112 and methods of using maize variety X13T112 are disclosed.