Hard Red Winter Wheat Breeding for Yield and Trait Stacking
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Solution Overview
Problem
Existing wheat cultivars lack improved combinations of desirable traits such as higher seed yield, disease resistance, insect resistance, drought tolerance, heat tolerance, better agronomic quality, and herbicide resistance, which are essential for enhancing wheat productivity and versatility in various applications.
Innovation Solution
Development of the wheat cultivar 01095241, which is a hard red winter type common wheat bred for winter wheat growing regions, incorporating genetic modifications and traditional breeding techniques to enhance traits like seed yield, disease resistance, and herbicide tolerance, along with the use of transgenic methods to introduce specific genes for improved characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional breeding techniques are used to develop wheat cultivars, then genetic diversity is maintained, but the speed of improving multiple desirable traits simultaneously is limited
Solution Approach 1:
The patent combines traditional breeding techniques with modern biotechnological methods including tissue culture, genetic transformation, and molecular marker-assisted selection to simultaneously achieve multiple desirable traits in wheat cultivars, thereby accelerating the breeding process while maintaining genetic diversity
Solution Approach 2:
The patent uses tissue culture and cell suspension systems as intermediary technologies to rapidly multiply and select plants with desired traits, serving as a bridge between conventional breeding and genetic engineering to speed up cultivar development
2Reliability
If multiple desirable traits are combined in a single wheat cultivar, then agronomic quality and resistance are improved, but the complexity of breeding programs increases
Solution Approach 1:
The patent employs preliminary selection of parent lines with specific desirable traits and uses molecular marker-assisted selection to pre-identify plants carrying multiple resistance genes before field testing, thereby simplifying the overall breeding program complexity while achieving improved reliability
Solution Approach 2:
The patent applies different breeding strategies to different traits within the same program, using conventional crossing for some traits and biotechnological methods for others, allowing each trait to be optimized with the most appropriate method while managing overall program complexity
3Adaptability or versatility
If transgenic methods are used to introduce specific genes, then herbicide resistance and other traits are enhanced, but regulatory and public acceptance challenges arise
Solution Approach 1:
The patent employs a flexible, multi-stage breeding approach where transgenic events can be introduced at different stages and optionally removed through backcrossing, allowing the breeding program to adapt to regulatory requirements and public acceptance considerations while maintaining the ability to enhance herbicide resistance and other traits
Data Source
AI summary
The invention relates to the wheat cultivar designated 01095241. Provided by the invention are the seeds, plants and derivatives of the wheat cultivar 01095241. Also provided by the invention are tissue cultures of the wheat cultivar 01095241 and the plants regenerated therefrom. Still further provided by the invention are methods for producing wheat plants by crossing the wheat cultivar 01095241 with itself or another wheat cultivar and plants produced by such methods.