Wheat Variety Trait Stacking for Stable Yield and Resistance
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Solution Overview
Problem
Existing wheat varieties often lack a combination of desirable traits such as high seed yield, disease resistance, drought tolerance, and improved milling properties, making them less adaptable to various agricultural conditions and uses.
Innovation Solution
Development of the wheat variety 6PTTB30B, which is homozygous and stable, incorporating genetic modifications and locus conversions to enhance traits like herbicide resistance, disease resistance, and altered nutritional quality, achieved through methods like genetic transformation and backcrossing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional breeding methods are used to develop wheat varieties, then the development process is relatively simple, but the combination of desirable traits (yield, disease resistance, drought tolerance, heat tolerance, milling properties) is limited
Solution Approach 1:
The patent combines multiple breeding techniques including cross-pollination, genetic transformation, and locus conversion to integrate diverse desirable traits (disease resistance, drought tolerance, heat tolerance, milling properties) into a single wheat variety, achieving superior trait combinations that traditional single-method breeding cannot accomplish
Solution Approach 2:
The patent uses molecular markers as intermediaries to track and select for desirable traits during breeding, enabling precise selection of plants carrying specific resistance genes and quality traits, thereby facilitating the complex trait combination process
2Manufacturing precision
If genetic transformation and locus conversion techniques are employed to introduce specific traits, then trait precision is improved, but the manufacturing complexity increases
Solution Approach 1:
The patent replaces traditional mechanical selection methods with molecular marker-assisted selection and genetic transformation techniques, enabling precise identification and introduction of specific traits at the molecular level, thereby achieving superior trait precision despite increased technical complexity
Solution Approach 2:
The patent utilizes locus conversion to precisely alter specific genetic parameters while maintaining the overall genetic background, allowing targeted introduction of desirable traits such as disease resistance genes without affecting other important characteristics of the base variety
3Reliability
If multiple breeding techniques are combined to achieve superior trait combinations, then the quality of the wheat variety is improved, but the time and resources required increase
Solution Approach 1:
The patent employs preliminary molecular marker screening and pre-selection of parental lines with desired traits before initiating cross-breeding programs, thereby reducing the time required for subsequent selection and evaluation stages, and accelerating the overall breeding process while maintaining variety reliability
Data Source
AI summary
A wheat variety designated 6PTTB30B, the plants and seeds of wheat variety 6PTTB30B, methods for producing a wheat plant produced by crossing the variety 6PTTB30B with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety 6PTTB30B with another wheat line or plant, and the creation of variants by backcrossing, mutagenesis or transformation of variety 6PTTB30B are disclosed. Methods for producing other wheat varieties or breeding lines derived from wheat variety 6PTTB30B and to wheat varieties or breeding lines produced by those methods are also provided.