6PLHA90B Wheat Breeding for Yield, Disease Resistance, and Drought Tolerance
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Solution Overview
Problem
Existing wheat varieties lack a comprehensive combination of desirable traits such as higher seed yield, disease resistance, drought and heat tolerance, altered milling properties, and improved agronomic characteristics, necessitating the development of a new variety that addresses these needs.
Innovation Solution
The development of the wheat variety 6PLHA90B, which is homozygous and stable, incorporating traits like disease resistance, drought tolerance, and improved agronomic characteristics, achieved through methods such as cross-pollination, genetic transformation, and backcrossing, allowing for the introduction of transgenes to enhance specific traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional wheat varieties are used, then simplicity and ease of cultivation are maintained, but they lack comprehensive desirable traits such as higher seed yield, disease resistance, and drought tolerance
Solution Approach 1:
The patent combines multiple desirable traits (disease resistance, drought tolerance, higher seed yield) from different parental lines into a single wheat variety through systematic breeding programs, creating a unified genotype that expresses all these traits simultaneously
Solution Approach 2:
The patent uses molecular markers as intermediaries to track and select for desirable traits during the breeding process, enabling precise selection of plants that carry the desired genetic combinations without direct observation of the traits themselves
2Productivity
If multiple desirable traits are combined through breeding, then seed yield and resistance improve, but the development time and complexity increase significantly
Solution Approach 1:
The patent performs preliminary selection of parental lines that already possess desired traits before initiating the breeding program, and uses molecular marker screening early in the breeding process to identify promising progeny, thereby reducing the overall development time
Solution Approach 2:
The patent implements continuous selection and evaluation across multiple generations of breeding, maintaining ongoing improvement of the wheat variety through repeated cycles of crossing, selection, and testing rather than discrete one-time interventions
3Measurement precision
If traditional breeding methods are used, then genetic diversity is maintained, but the precision and speed of introducing specific traits are limited
Solution Approach 1:
The patent replaces traditional phenotypic selection (visual inspection and manual selection) with molecular marker-based genotypic selection, using DNA analysis to precisely identify plants carrying desired traits regardless of their current phenotypic expression
Data Source
AI summary
A wheat variety designated 6PLHA90B, the plants and seeds of wheat variety 6PLHA90B, methods for producing a wheat plant produced by crossing the variety 6PLHA90B with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety 6PLHA90B with another wheat line or plant, and the creation of variants by backcrossing, mutagenesis or transformation of variety 6PLHA90B are disclosed. Methods for producing other wheat varieties or breeding lines derived from wheat variety 6PLHA90B and to wheat varieties or breeding lines produced by those methods are also provided.