Wheat Cultivar YU908-017 Breeding for Disease Resistance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wheat cultivars lack comprehensive resistance to multiple diseases and pests, as well as improved metabolic traits such as herbicide tolerance and stress tolerance, which limits their agricultural productivity and adaptability.
Innovation Solution
The development of wheat cultivar YU908-017, which involves crossing with other cultivars to introduce traits like herbicide resistance, disease resistance, and modified metabolic pathways, followed by backcrossing to stabilize these traits and maintain desired physiological and morphological characteristics, allowing for the production of seeds and plants with enhanced resistance and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current wheat cultivars are used, then they maintain simple cultivation practices, but they lack comprehensive resistance to multiple diseases and pests and have limited metabolic traits
Solution Approach 1:
The patent combines multiple desirable traits from different wheat cultivars into a single cultivar YU908-017 through systematic breeding. This includes integrating disease resistance, pest resistance, herbicide tolerance, and stress tolerance traits that were previously distributed across different cultivars, creating a unified variety with comprehensive resistance and adaptability.
Solution Approach 2:
The wheat cultivar YU908-017 represents a composite genetic material resulting from the integration of multiple parental lines. Each parental line contributed specific genetic components (disease resistance genes, metabolic pathway variations, stress tolerance mechanisms), which were combined through controlled crossing and backcrossing to create a composite cultivar with enhanced overall performance.
2Reliability
If wheat cultivars are crossed to introduce multiple traits, then disease resistance and metabolic traits are improved, but the breeding process becomes more complex
Solution Approach 1:
The breeding program employed preliminary action by first identifying and selecting specific parental cultivars that possessed predetermined desirable traits before initiating the crossing program. This pre-planning allowed for systematic introduction of multiple traits through controlled crosses, followed by structured backcrossing to stabilize traits while maintaining the genetic background of the recurrent parent.
Solution Approach 2:
The complex breeding process was segmented into distinct phases: initial crossing to introduce new traits, followed by multiple backcrossing generations to recover the recurrent parent's genetic background, and final selection to stabilize desired traits. This segmentation of the breeding process into manageable stages reduced overall complexity while achieving comprehensive trait integration.
3Stability of the object's composition
If backcrossing is performed multiple times to stabilize traits, then physiological and morphological characteristics are maintained, but time and generations are extended
Solution Approach 1:
The breeding program incorporated feedback mechanisms by continuously monitoring and selecting for both the introduced traits and the maintenance of the recurrent parent's physiological and morphological characteristics during each backcrossing generation. This feedback-driven selection ensured that desired traits were stabilized while preventing drift from the target cultivar's characteristic profile, allowing for more efficient completion of the backcrossing program.
Data Source
AI summary
A wheat cultivar, designated YU908-017, is disclosed. The invention relates to the seeds, plants, and hybrids of wheat cultivar YU908-017, and to methods for producing a wheat plant produced by crossing plants from wheat cultivar YU908-017 with themselves or with plants from another wheat variety. The invention also relates to methods for producing a wheat plant containing in its genetic material one or more transgenes and to the transgenic wheat plants and plant parts produced by those methods. The invention also relates to wheat varieties or breeding varieties and plant parts derived from wheat cultivar YU908-017, to methods for producing other wheat varieties, lines or plant parts derived from wheat cultivar YU908-017, and to the wheat plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid wheat seeds and plants produced by crossing wheat cultivar YU908-017 with another wheat cultivar.