Inbred Corn Line ML12 Homozygosity Segmentation
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Solution Overview
Problem
The development of new corn inbred lines is hindered by the unpredictability of genetic traits due to environmental factors and the time-consuming process of identifying superior genetic combinations, which requires extensive research and resources.
Innovation Solution
The introduction of the inbred corn line ML12, which is a yellow dent corn with superior characteristics, and methods for producing and utilizing it, including self-pollination, backcrossing, and tissue culture to maintain homozygosity and introduce transgenes for traits like male sterility, disease resistance, and improved nutritional quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to develop new corn inbred lines, then genetic diversity and adaptability are maintained, but the process is time-consuming and unpredictable
Solution Approach 1:
The patent applies parameter changes by utilizing controlled pollination techniques and selective breeding parameters to achieve predictable genetic outcomes. By controlling pollination conditions and selecting specific parental lines with known genetic characteristics, the breeding process achieves reliability and reduces time requirements compared to traditional uncontrolled breeding methods.
2Productivity
If extensive breeding programs are implemented to identify superior genetic combinations, then desirable traits are achieved, but resource consumption increases
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing parental lines before the actual breeding process. By identifying and preparing superior parental germplasm in advance with known genetic traits, the subsequent breeding program requires fewer resources and achieves higher productivity in producing superior hybrids.
Solution Approach 2:
The patent implements feedback mechanisms through evaluation of breeding results and adjustment of selection criteria. By monitoring the performance of generated hybrids and using this feedback to refine future breeding decisions, the program optimizes resource allocation and increases productivity efficiently.
3Stability of the object's composition
If self-pollination and backcrossing are used to maintain homozygosity, then genetic purity is achieved, but the complexity of breeding procedures increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct phases: self-pollination phase to achieve homozygosity, backcrossing phase to introduce desired traits, and selection phase to maintain purity. This segmentation allows each phase to be optimized independently, managing the overall complexity while achieving stable homozygous composition.
Data Source
AI summary
An inbred corn line, designated ML12, is disclosed. The invention relates to the seeds of inbred corn line ML12, to the plants and plant parts of inbred corn line ML12 and to methods for producing a corn plant, either inbred or hybrid, by crossing inbred corn line ML12 with itself or another corn line. The invention also relates to products produced from the seeds, plants, or parts thereof, of inbred corn line ML12 and/or of the hybrids produced using the inbred as a parent. The invention 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 inbred corn lines derived from inbred corn line ML12.