KS Territory Wheat Breeding for Yield, Drought, and Disease Balance
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Solution Overview
Problem
Existing wheat varieties often lack a balanced combination of desirable traits such as high seed yield, disease resistance, drought tolerance, and improved milling and baking qualities, making them unsuitable for diverse agricultural and industrial applications.
Innovation Solution
Development of the KS Territory wheat variety, which is a hard red-seeded winter wheat with medium maturity, medium height, good grain shattering resistance, and a robust disease resistance package, including resistance to wheat streak mosaic virus, stem rust, and Hessian fly, along with moderate resistances to stripe and leaf rusts, and intermediate resistances to barley yellow dwarf virus and Triticum mosaic virus, adapted for semi-arid regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing wheat varieties are used, then they have basic agronomic characteristics, but they lack a balanced combination of desirable traits such as high seed yield, disease resistance, drought tolerance, and improved milling and baking qualities
Solution Approach 1:
The patent combines multiple desirable traits from different parental lines into a single wheat variety. The variety integrates high seed yield potential, disease resistance (including resistance to wheat streak mosaic virus, stem rust, and Hessian fly), drought tolerance, and improved milling and baking qualities into one unified genetic package, resolving the contradiction by merging previously separate trait combinations.
Solution Approach 2:
The wheat variety KS Territory is designed to perform multiple functions simultaneously - it serves as both a high-yielding crop variety and a variety with robust disease resistance and drought tolerance, while also maintaining improved milling and baking qualities. This multi-functionality allows it to be suitable for diverse agricultural and industrial applications, resolving the reliability-suitability contradiction.
2Productivity
If wheat varieties are bred for high seed yield, then yield potential improves, but other traits such as disease resistance and drought tolerance may be compromised
Solution Approach 1:
The breeding process merged high-yield genetics with disease resistance and drought tolerance traits from different parental sources. The resulting variety KS Territory simultaneously expresses high grain yield potential and robust resistance to multiple diseases including wheat streak mosaic virus, stem rust, and Hessian fly, along with drought tolerance, eliminating the need to choose between yield and reliability.
3Reliability
If wheat varieties are bred for disease resistance, then resistance to diseases improves, but seed yield and agronomic characteristics may be reduced
Solution Approach 1:
The variety integrates disease resistance traits with high-yield genetics through controlled crossing and selection. KS Territory exhibits resistance to wheat streak mosaic virus, stem rust, and Hessian fly while simultaneously maintaining high grain yield potential and good agronomic characteristics including medium maturity and medium height, proving that disease resistance and productivity can coexist.
4Reliability
If wheat varieties are bred for drought tolerance, then tolerance to drought improves, but other agronomic characteristics such as maturity and height may be affected
Solution Approach 1:
The breeding program combined drought tolerance genetics with desirable agronomic characteristics. The resulting variety KS Territory exhibits drought tolerance while maintaining medium maturity and medium height, along with good grain shattering resistance and straw strength. This integration ensures the variety is well-adapted to semi-arid regions without compromising overall agronomic quality.
Data Source
AI summary
Hard red winter variety designated KS Territory is disclosed, including plants and seeds thereof. The variety is white-glumed, with good grain shattering resistance, good straw strength and average test weight and is adapted to the semi-arid growing regions of Kansas. Methods for producing a wheat plant produced by crossing the variety KS Territory with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety KS Territory with another wheat line or plant, and the creation of variants by backcrossing, mutagenesis or transformation of variety KS Territory are disclosed. Methods for producing other wheat varieties or breeding lines derived from wheat variety KS Territory and to wheat varieties or breeding lines produced by those methods are also provided.