Wheat Variety 6PGTV08B for Stable Trait Stacking in Breeding

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Solution Overview

Problem

Existing wheat varieties often lack a balanced combination of desirable traits such as higher seed yield, disease resistance, drought tolerance, and improved agronomic characteristics, limiting their adaptability and commercial viability.

Innovation Solution

Development of the wheat variety 6PGTV08B, which is homozygous and stable, with the potential for genetic modifications to introduce traits like herbicide resistance, disease resistance, and altered nutritional content through transgenic methods and traditional breeding techniques, enabling the creation of hybrid seeds and plants with enhanced qualities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple desirable traits are combined into a single wheat variety through breeding, then the agronomic performance and resistance traits are improved, but the complexity of the breeding process and time required increase significantly

Engineering Contradiction:
Improvedisease resistance and trait stabilityVSAvoidbreeding cycle duration
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-introducing multiple desirable traits through genetic modification before conventional breeding begins. Transgenic techniques are used to insert genes for disease resistance, herbicide tolerance, and improved agronomic traits into parental lines ahead of time, so that these traits are already present and can be fixed through subsequent backcrossing and selection, dramatically reducing the time required compared to traditional sequential breeding approaches

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent uses molecular markers as intermediaries to track and select for multiple desirable traits simultaneously during the breeding process. These markers serve as mediators that allow breeders to identify plants carrying the desired trait combinations without waiting for phenotypic expression, accelerating the breeding cycle while ensuring trait reliability

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If transgenic modification is used to introduce desirable traits, then trait introduction efficiency is improved, but public acceptance and regulatory hurdles increase

Engineering Contradiction:
Improvetrait introduction efficiencyVSAvoidpublic concern and regulatory barriers
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent applies the taking out principle by extracting and using only the beneficial functional elements from transgenic technology while eliminating or minimizing potential harmful aspects. The breeding program focuses on introducing specific agronomic traits through genetic modification but employs rigorous backcrossing to recover the original variety's genome, thereby reducing foreign DNA content and addressing public concerns while maintaining trait introduction efficiency

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the parameter of genetic composition by using transgenic modification to introduce desirable traits, then systematically altering the genome through multiple backcrosses to reduce the proportion of modified DNA while preserving the introduced traits. This parameter change strategy maintains productivity benefits while reducing regulatory and public acceptance barriers

Inventive Principle:
Principle #35Parameter changes

3Stability of the object's composition

If rigorous selection and breeding methods are applied to ensure homozygosity, then phenotypic stability is improved, but the complexity and resource requirements of the breeding program increase

Engineering Contradiction:
Improvephenotypic stability and homozygosityVSAvoidbreeding program complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent applies feedback by implementing systematic selection and evaluation processes that monitor phenotypic expression and genetic composition throughout the breeding program. Molecular markers and phenotypic assays provide continuous feedback to guide breeding decisions, ensuring homozygosity and stability while managing program complexity through data-driven rather than purely empirical approaches

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12622376B2Wheat variety 6PGTV08B
Publication Date: 2026.05.12 PIONEER HI BREED INTERNATIONAL INC
  • US12622376B2 patent drawing
  • US12622376B2 patent drawing

AI summary

A wheat variety designated 6PGTV08B, the plants and seeds of wheat variety 6PGTV08B, methods for producing a wheat plant produced by crossing the variety 6PGTV08B with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety 6PGTV08B with another wheat line or plant, and the creation of variants by backcrossing, mutagenesis or transformation of variety 6PGTV08B are disclosed. Methods for producing other wheat varieties or breeding lines derived from wheat variety 6PGTV08B and to wheat varieties or breeding lines produced by those methods are also provided.