Wheat Cultivar BZ6WM09-1030 Herbicide Resistance Breeding

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Solution Overview

Problem

Current wheat breeding methods face challenges in combining desirable traits such as high seed yield, disease resistance, and herbicide tolerance into a single wheat cultivar effectively, while maintaining agronomic quality and stability across various environments.

Innovation Solution

The development of the wheat cultivar BZ6WM09-1030, which incorporates genetic markers for herbicide resistance and is bred using a combination of traditional breeding techniques and genetic transformation to introduce desired traits, including resistance to Imazamox herbicide, disease resistance, and improved nutritional quality, while maintaining uniformity and stability across generations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional breeding techniques are used to combine desirable traits, then the breeding process is simple and maintains genetic stability, but the efficiency of combining multiple traits (high seed yield, disease resistance, herbicide tolerance) is low

Engineering Contradiction:
Improvebreeding efficiencyVSAvoidbreeding process complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent uses genetic markers as intermediaries to track and select plants with desired traits. The markers serve as detectable indicators that mediate the breeding process, allowing efficient identification of plants carrying specific genes for herbicide resistance, disease resistance, and high yield without complex manual screening procedures.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces traditional mechanical breeding methods (manual crossing, phenotypic selection) with molecular techniques including DNA marker analysis and genetic transformation. This substitution enables precise control over trait combination and significantly accelerates the breeding process while maintaining genetic stability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If genetic transformation is used to introduce desired traits, then the efficiency of trait introduction is improved, but the complexity of the breeding process increases

Engineering Contradiction:
Improvetrait introduction efficiencyVSAvoidbreeding process complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent segments the breeding process into distinct phases: (1) identification of desired traits and corresponding genetic markers, (2) genetic transformation of donor plants, (3) backcrossing to recurrent parent, and (4) selection using molecular markers. This segmentation allows each phase to be optimized independently, improving overall efficiency while managing complexity through systematic organization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent utilizes changes in genetic parameters (DNA sequence, gene expression patterns) to track and select for desired traits. By monitoring molecular parameters rather than relying solely on phenotypic expression, the process achieves precise trait introduction and maintains genetic stability across generations.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If multiple desirable traits are combined into a single cultivar, then the agricultural productivity and resistance are improved, but the difficulty of detecting and measuring all traits simultaneously increases

Engineering Contradiction:
Improvecultivar performance reliabilityVSAvoidtrait detection difficulty
Core Design Contradiction:
ReliabilityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent employs molecular markers as intermediaries that are easier to detect and measure than the actual phenotypic traits. These markers serve as proxies for tracking inheritance of complex traits like disease resistance and herbicide tolerance, simplifying the detection process while maintaining accurate monitoring of cultivar performance.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces complex phenotypic assessment methods with molecular detection techniques. Instead of manually evaluating multiple traits in the field, researchers use DNA analysis to detect markers associated with desired traits, significantly reducing the difficulty of simultaneous trait measurement while ensuring reliable cultivar performance.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Stability of the object's composition

If backcrossing methods are used to maintain uniformity across generations, then the genetic uniformity and stability are improved, but the time required for multiple crossing generations increases

Engineering Contradiction:
Improvegenetic uniformityVSAvoidbreeding time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The patent implements feedback mechanisms using molecular markers to monitor genetic composition across backcrossing generations. By continuously detecting marker presence and tracking inheritance patterns, the process can identify when desired traits have been successfully fixed, allowing the breeder to stop backcrossing early rather than completing all planned generations, thus reducing time while maintaining uniformity.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces time-consuming phenotypic evaluation and manual selection with rapid molecular marker analysis. This substitution enables quick verification of genetic uniformity and stability across generations, allowing the breeder to determine when backcrossing is complete without requiring extensive field testing and visual inspection.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS9648827B2Wheat cultivar BZ6WM09-1030
Publication Date: 2017.05.16 MONSANTO TECHNOLOGY LLC

AI summary

The invention relates to the wheat cultivar designated BZ6WM09-1030. Provided by the invention are the seeds, plants and derivatives of the wheat cultivar BZ6WM09-1030. Also provided by the invention are tissue cultures of the wheat cultivar BZ6WM09-1030 and the plants regenerated therefrom. Still further provided by the invention are methods for producing wheat plants by crossing the wheat cultivar BZ6WM09-1030 with itself or another wheat cultivar and plants produced by such methods.