Inbred Corn Line XHK16 Yield and Disease Resistance
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Solution Overview
Problem
The development of new inbred corn lines is a slow and costly process, requiring expertise and numerous steps, and existing inbred parent corn lines lose commercial competitiveness over time, necessitating the need for improved germplasm with enhanced yield, disease resistance, and trait technologies.
Innovation Solution
The introduction of the inbred corn line XHK16, which is a yellow dent inbred corn line with specific physiological and morphological characteristics, and methods for producing and utilizing it, including self-pollination, sib-pollination, and hybrid production, along with genetic modification and treatment with agricultural chemicals to enhance resistance to stress conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional inbreeding techniques are used to develop new inbred corn lines, then genetic uniformity and purity are improved, but the development process becomes slow and costly
Solution Approach 1:
The patent applies preliminary action by pre-establishing a comprehensive set of morphological and physiological markers that define the XHK16 inbred line characteristics. These pre-defined markers serve as a blueprint for rapid identification and selection, eliminating the need for lengthy traditional inbreeding processes while ensuring genetic uniformity.
Solution Approach 2:
The patent uses copying by replicating the established XHK16 genetic profile across multiple generations and populations. By using defined markers and characteristics as templates, the invention rapidly produces genetically uniform inbred lines without requiring decades of traditional inbreeding, thus reducing development time while maintaining genetic stability.
2Ease of manufacture
If existing inbred parent corn lines are used continuously, then breeding expertise and established protocols are maintained, but commercial competitiveness is lost over time
Solution Approach 1:
The patent applies parameter changes by systematically modifying key morphological and physiological parameters of the inbred corn line to create XHK16 with superior characteristics. This includes optimizing plant height, ear characteristics, stress response parameters, and yield-related traits, thereby enhancing commercial competitiveness while maintaining breeding process consistency through defined selection criteria.
Solution Approach 2:
The invention uses preliminary action by pre-identifying and selecting for specific superior traits and marker combinations that define commercially competitive inbred lines. This proactive approach allows the development of XHK16 with enhanced competitiveness before market demands fully evolve, maintaining ease of manufacture through established protocols while ensuring ongoing commercial relevance.
3Reliability
If extensive breeding programs are conducted to improve yield and disease resistance, then genetic diversity and trait improvement are achieved, but the process becomes more complex and resource-intensive
Solution Approach 1:
The patent replaces complex mechanical breeding operations with marker-based selection systems. Instead of conducting numerous generations of crossbreeding, manual selection, and field testing, the invention uses defined molecular and morphological markers to directly identify plants with desired disease resistance and yield traits, significantly reducing program complexity while maintaining or improving reliability of trait expression.
Solution Approach 2:
The invention uses copying by replicating proven disease-resistant genetic profiles and marker combinations from the XHK16 line across different breeding programs and populations. This allows rapid dissemination of reliable disease resistance traits without requiring each program to independently conduct extensive breeding trials, reducing complexity while ensuring consistent trait improvement.
4Ease of manufacture
If inbred lines are developed without stress tolerance enhancement, then development costs are reduced, but adaptability to different production areas and stress conditions deteriorates
Solution Approach 1:
The patent applies parameter changes by systematically selecting and optimizing stress response parameters in the XHK16 inbred line development. This includes defining markers and characteristics related to drought tolerance, heat tolerance, and other environmental stress responses, thereby enhancing adaptability to different production areas while maintaining cost-effectiveness through targeted marker-assisted selection rather than extensive multi-environment testing.
Data Source
AI summary
An inbred corn line, designated XHK16, the plants and seeds of the inbred corn line XHK16, methods for producing a corn plant, either inbred or hybrid, produced by crossing the inbred corn line XHK16 with itself or with another corn plant, and hybrid corn seeds and plants produced by crossing the inbred line XHK16 with another corn line or plant and to methods for producing a corn plant containing in its genetic material one or more transgenes and to the transgenic corn plants produced by that method. This invention also relates to inbred corn lines derived from inbred corn line XHK16, to methods for producing other inbred corn lines derived from inbred corn line XHK16 and to the inbred corn lines derived by the use of those methods.