Inbred Corn Line KW4FP1688 Breeding for Yield and Stability
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Solution Overview
Problem
Current corn breeding efforts face challenges in developing stable, high-yielding corn hybrids that consistently produce superior parental lines with desirable traits such as disease resistance, insect tolerance, and improved nutritional quality, while maintaining genetic stability and adaptability across varying environmental conditions.
Innovation Solution
The development of a novel inbred corn line, KW4FP1688, which includes methods for producing seeds, plants, and derived corn lines with specific traits like male sterility, herbicide resistance, and enhanced nutritional quality through mutagenesis, TILLING screening, and backcrossing techniques, allowing for the introduction of transgenes and targeted genetic modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional corn breeding methods are used to develop high-yielding hybrids, then yield potential is improved, but genetic stability and consistency of desirable traits across environmental conditions deteriorate
Solution Approach 1:
The patent applies parameter changes by systematically varying breeding parameters including crossing different inbred lines with distinct genetic backgrounds, selecting for specific trait combinations, and adapting breeding strategies across multiple environmental conditions to achieve both high yield and genetic stability
2Adaptability or versatility
If extensive genetic modification and mutagenesis are applied to introduce desirable traits, then trait diversity and resistance are improved, but genetic stability and predictability deteriorate
Solution Approach 1:
The patent applies partial action by using targeted mutagenesis and TILLING screening to introduce specific desirable traits rather than comprehensive genetic modification, thereby achieving trait diversity while maintaining overall genetic stability through controlled, selective intervention
Solution Approach 2:
The patent employs feedback mechanisms through systematic screening and selection processes where mutagenized plants are evaluated for desired traits, and only those meeting specific criteria are advanced to subsequent breeding stages, ensuring trait diversity is achieved while maintaining genetic stability
3Adaptability or versatility
If multiple breeding techniques including mutagenesis and backcrossing are used, then trait introduction capability is improved, but breeding process complexity deteriorate
Solution Approach 1:
The patent applies segmentation by dividing the breeding process into distinct sequential stages: mutagenesis treatment, TILLING screening for trait identification, backcrossing to maintain genetic background, and hybrid production, allowing complex trait introduction to be managed through modular, systematic steps
4Manufacturing precision
If rigorous selection and screening processes are implemented, then quality and consistency of parental lines is improved, but time and resource requirements deteriorate
Solution Approach 1:
The patent applies preliminary action by performing TILLING screening and trait evaluation at early stages of the breeding process, allowing identification and selection of superior genotypes before extensive resource investment in later breeding stages, thereby improving quality consistency while reducing overall time requirements
Data Source
AI summary
Inbred corn line, designated KW4FP1688, are disclosed. The disclosure relates to the seeds of inbred corn line KW4FP1688, to the plants and plant parts of inbred corn line KW4FP1688 and to methods for producing a corn plant, either inbred or hybrid, by crossing inbred corn line KW4FP1688 with itself or another corn line. The disclosure also relates to products produced from the seeds, plants, or parts thereof, of inbred corn line KW4FP1688 and/or of the hybrids produced using the inbred as a parent. The disclosure further relates to methods for producing a corn plant containing in its genetic material one or more transgenes and to the transgenic plants produced by that method and to methods for producing other corn lines derived from inbred corn line KW4FP1688.