Inbred Corn Line 3HK232 for Hybrid Seed Competitiveness
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Solution Overview
Problem
Current corn breeding methods are slow and costly, and existing inbred corn lines lose commercial competitiveness over time, necessitating the development of improved germplasm with enhanced traits such as improved dry down and tonnage for maturity, disease resistance, and adaptability to various production areas.
Innovation Solution
The development of a new inbred corn line, 3HK232, which exhibits improved dry down and tonnage for maturity, along with methods for producing and utilizing this line in breeding programs, including self-pollination, sib-pollination, and hybrid production, as well as techniques for enhancing seed resistance to stress conditions and pests using agricultural chemicals and genetic modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional corn breeding methods are used, then existing inbred corn lines can be maintained, but they lose commercial competitiveness over time and the process is slow and costly
Solution Approach 1:
The patent applies parameter changes by modifying specific agronomic parameters of the corn line, including improved dry down characteristics, tonnage for maturity, and adaptability to various production areas. These parameter optimizations enable the inbred line to maintain commercial competitiveness while reducing the time required for breeding cycles.
Solution Approach 2:
The patent implements preliminary action through the development of 3HK232 as a pre-tested inbred line with predetermined improved traits before commercial deployment. The line is prepared in advance with enhanced disease resistance, yield potential, and adaptability, allowing faster integration into breeding programs and reducing overall breeding time.
2Stability of the object's composition
If inbreeding is practiced for multiple generations to develop new inbred lines, then genetic uniformity is improved, but the vigor of the lines decreases and additional inbreeding merely increases seed production
Solution Approach 1:
The patent applies preliminary action by establishing 3HK232 as a high-vigor inbred line with predetermined genetic uniformity through controlled inbreeding cycles. The line is developed in advance with optimized genetic composition that maintains vigor while achieving sufficient uniformity for commercial use, avoiding excessive inbreeding generations.
Solution Approach 2:
The patent utilizes parameter changes by optimizing the balance between genetic uniformity and line vigor through controlled selection parameters. The inbred line 3HK232 is developed with specific parameter thresholds for uniformity and vigor maintenance, allowing sufficient inbreeding to achieve uniformity while preserving biological vigor and seed production capacity.
3Adaptability or versatility
If corn plants are bred through self-pollination and cross-pollination to combine desirable traits, then trait combination is improved, but the process is complex and time-consuming
Solution Approach 1:
The patent implements preliminary action by pre-combining multiple desirable traits into the inbred line 3HK232 through controlled breeding cycles before commercial deployment. The line is developed in advance with integrated traits including improved dry down, tonnage for maturity, disease resistance, and adaptability, simplifying subsequent breeding processes.
Solution Approach 2:
The patent applies universality by developing an inbred line that serves multiple functions simultaneously - it provides improved yield, disease resistance, adaptability to various production areas, and serves as a versatile parent line for hybrid production. This multi-functionality reduces the need for separate breeding processes for each trait.
4Productivity
If existing inbred corn lines are used for hybrid production, then hybrid seed can be produced, but the inbreds lose commercial competitiveness and require continuous improvement
Solution Approach 1:
The patent applies parameter changes by optimizing the inbred line 3HK232 with enhanced agronomic parameters including improved dry down characteristics, increased tonnage for maturity, and superior disease resistance. These parameter improvements enable the inbred line to maintain high productivity for hybrid seed production while preserving commercial competitiveness.
Solution Approach 2:
The patent implements preliminary action by developing and testing the inbred line 3HK232 in advance before commercial hybrid production. The line is pre-validated for productivity and competitiveness, ensuring that hybrid seed production can proceed efficiently with a reliable, commercially competitive inbred parent line.
Data Source
AI summary
An inbred corn line, designated 3HK232, the plants and seeds of the inbred corn line 3HK232, methods for producing a corn plant, either inbred or hybrid, produced by crossing the inbred corn line 3HK232 with itself or with another corn plant, and hybrid corn seeds and plants produced by crossing the inbred line 3HK232 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 3HK232, to methods for producing other inbred corn lines derived from inbred corn line 3HK232 and to the inbred corn lines derived by the use of those methods.