Wheat Variety 17NSVZ310543 Using Markers and Doubled Haploids
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Solution Overview
Problem
Existing wheat varieties lack desirable traits such as high yield, drought and heat tolerance, pest and disease resistance, and improved grain quality for milling and processing, which are essential for enhancing the adaptability and economic value of wheat cultivation.
Innovation Solution
Development of a novel wheat variety, 17NSVZ310543, through advanced breeding techniques including doubled haploid breeding and molecular markers, resulting in a highly homozygous and reproducible wheat with improved agronomic traits and grain quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop wheat varieties, then variety diversity is improved, but breeding time and complexity increase
Solution Approach 1:
The patent replaces conventional mechanical breeding methods (manual crossing, selection, and generation advancement) with molecular marker-assisted selection and doubled haploid technology. This substitution enables precise identification and selection of desirable traits at the molecular level, dramatically reducing breeding time from multiple generations to a single generation while maintaining variety diversity through targeted trait selection.
Solution Approach 2:
The patent uses molecular markers as copies or representations of specific genes and traits. By detecting marker patterns associated with desirable characteristics (disease resistance, yield, quality), breeders can identify and select plants with desired traits without waiting for phenotypic expression, thereby accelerating the breeding process while preserving genetic diversity.
2Productivity
If advanced breeding techniques are applied to improve agronomic traits, then yield and resistance are improved, but manufacturing complexity increases
Solution Approach 1:
The patent replaces complex multi-generational phenotypic selection with molecular marker-assisted selection. This substitution simplifies the breeding process by enabling direct detection of desired traits at the DNA level, reducing the need for multiple crossing and selection cycles, and thereby decreasing overall manufacturing complexity despite the advanced technology involved.
Solution Approach 2:
The patent introduces molecular markers as intermediaries between the breeder and the target traits. These markers serve as detectable proxies for complex agronomic traits such as disease resistance and yield potential, allowing breeders to select for multiple traits simultaneously through a standardized protocol, thereby simplifying the overall breeding process.
3Productivity
If doubled haploid breeding is used to achieve homozygosity, then breeding efficiency is improved, but technical difficulty increases
Solution Approach 1:
The patent replaces the technically challenging process of manual doubled haploid production with in vitro haploid induction followed by chromosome doubling. This substitution, combined with molecular marker verification, simplifies the detection and measurement of homozygosity by providing clear molecular signatures of complete homozygous lines, thereby reducing technical difficulty despite the advanced methodology.
4Adaptability or versatility
If selection for multiple traits is performed, then grain quality and agronomic performance are improved, but selection complexity increases
Solution Approach 1:
The patent uses molecular markers as intermediaries to simultaneously track multiple traits including grain quality characteristics and agronomic performance. This approach consolidates the selection of multiple traits into a single molecular analysis step, dramatically reducing selection process complexity while maintaining the ability to improve multiple traits concurrently through marker-assisted selection.
Data Source
AI summary
The instant disclosure relates to the field of wheat (Triticum aestivum L.) breeding, specifically relating to a wheat variety designated 17NSVZ310543, the plants and seeds of wheat variety 17NSVZ310543, methods for producing a wheat plant produced by crossing the variety 17NSVZ310543 with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety 17NSVZ310543 with another wheat line or plant, and the creation of variants by backcrossing of variety 17NSVZ310543 are disclosed. Methods for producing other wheat varieties or breeding lines derived from wheat variety 17NSVZ310543 and to wheat varieties or breeding lines produced by those methods are also provided.