Wheat Variety Breeding for Yield, Disease Resistance, and Drought Tolerance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wheat varieties lack a comprehensive combination of desirable traits such as higher seed yield, disease resistance, drought and heat tolerance, improved milling properties, and enhanced agronomic characteristics, limiting their adaptability and productivity.
Innovation Solution
Development of the wheat variety 6PHQB77B, which is homozygous and stable, incorporating traits like disease resistance, abiotic stress tolerance, and improved compositional traits through genetic modification and breeding techniques, including cross-pollination, backcrossing, and introgression of transgenes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional breeding techniques are used to develop wheat varieties, then genetic diversity can be maintained, but the combination of multiple desirable traits (high yield, disease resistance, drought tolerance, milling properties) is difficult to achieve simultaneously
Solution Approach 1:
The patent combines multiple desirable traits from different parental lines into a single wheat variety through systematic breeding. The variety 6PHQB77B integrates high seed yield, disease resistance, drought tolerance, and improved milling properties by merging genetic material from parents with complementary traits, achieving a unified genotype that expresses all desired characteristics simultaneously.
Solution Approach 2:
The breeding process involves changing genetic parameters through controlled crosses and selection. By modifying the genetic composition through multiple generations of breeding and selecting for specific trait combinations, the patent achieves a stable genotype that consistently expresses high yield, disease resistance, and milling quality across different environmental conditions.
2Productivity
If wheat varieties are bred for high seed yield, then productivity increases, but resistance to diseases and tolerance to environmental stresses often decrease
Solution Approach 1:
The patent applies local quality by introducing specific disease resistance genes and stress tolerance traits into the high-yielding wheat variety. Rather than uniformly modifying the entire genome, the breeding process targets specific genetic loci that confer disease resistance and environmental stress tolerance while preserving the high-yield characteristics, creating a variety with localized genetic improvements in critical areas.
3Adaptability or versatility
If multiple traits are combined in a single wheat variety through extensive breeding, then adaptability improves, but the development time and complexity increase significantly
Solution Approach 1:
The patent employs preliminary action by pre-selecting parental lines that already possess specific desirable traits before initiating the breeding program. The parental varieties are carefully chosen based on their known characteristics (high yield, disease resistance, milling quality), and the breeding process systematically combines these pre-established traits, reducing the complexity and time required compared to developing all traits from scratch.
Data Source
AI summary
A wheat variety designated 6PHQB77B, the plants and seeds of wheat variety 6PHQB77B, methods for producing a wheat plant produced by crossing the variety 6PHQB77B with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety 6PHQB77B with another wheat line or plant, and the creation of variants by backcrossing, mutagenesis or transformation of variety 6PHQB77B are disclosed. Methods for producing other wheat varieties or breeding lines derived from wheat variety 6PHQB77B and to wheat varieties or breeding lines produced by those methods are also provided.