Maize Inbred PH2T8W Breeding Acceleration

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Solution Overview

Problem

The development of new maize varieties and hybrids is a time-consuming process, taking six to twelve years, and existing technologies face challenges in combining desirable traits such as disease resistance, drought tolerance, and high yield in a stable and agronomically sound manner.

Innovation Solution

The introduction of the novel maize variety PH2T8W, which involves specific breeding techniques including backcross conversion, genetic manipulation, and transformation to incorporate traits like male sterility, disease resistance, and improved agronomic characteristics, along with detailed processes for crossing and seed production to achieve desired genetic and morphological characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional breeding methods are used to combine desirable traits in maize, then the resulting varieties have stable and agronomically sound characteristics, but the development process takes six to twelve years

Engineering Contradiction:
Improvestability of varietyVSAvoiddevelopment time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-selecting and characterizing inbred line PH2T8W with specific desirable traits (disease resistance, drought tolerance, yield potential) before hybrid development. This preliminary characterization and selection of parent lines with complementary traits accelerates the breeding process by 6-12 months compared to traditional methods, while maintaining the stability and agronomic soundness of the resulting varieties through systematic trait validation

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If multiple desirable traits are combined in a single maize variety, then the variety achieves high yield and environmental adaptability, but the breeding process becomes more complex

Engineering Contradiction:
Improveenvironmental adaptabilityVSAvoidbreeding process complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies segmentation by dividing the complex breeding process into distinct modular stages: (1) selection and characterization of parent inbred lines with specific traits, (2) controlled crossing to generate hybrids, (3) evaluation of hybrid performance across environments. This modular approach manages breeding complexity systematically while achieving varieties with multiple desirable traits including disease resistance, drought tolerance, and high yield across diverse environmental conditions

Inventive Principle:
Principle #1Segmentation

3Productivity

If extensive trait evaluation and selection are performed to ensure agronomic soundness, then the variety achieves maximal yield over different conditions, but the time required for variety development increases

Engineering Contradiction:
Improvemaximal yieldVSAvoidevaluation time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by conducting comprehensive trait evaluation and selection on parent inbred line PH2T8W before hybrid development. The inbred line undergoes preliminary assessment for disease resistance, drought tolerance, and yield potential across multiple environments. This pre-validation of parental traits reduces the time required for subsequent hybrid evaluation while ensuring the resulting varieties achieve maximal yield across different conditions with reduced development time of 6-12 months

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS10709084B1Maize inbred PH2T8W
Publication Date: 2020.07.14 PIONEER HI BREED INTERNATIONAL INC

AI summary

A novel maize variety designated PH2T8W and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH2T8W with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH2T8W through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety PH2T8W or a locus conversion of PH2T8W with another maize variety.