Inbred Corn Line BC110 Breeding via Dhaploid Technology
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Solution Overview
Problem
The development of new corn inbred lines is a time-consuming and unpredictable process due to the complexity of combining desirable traits such as high yield, disease resistance, and adaptability to environmental conditions, often requiring extensive research and resources without guaranteed success.
Innovation Solution
The introduction of the inbred corn line BC110, which is a yellow dent corn with superior characteristics, including improved resistance to stalk and root lodging, high yield potential, and adaptability to specific maturity zones, along with methods for producing hybrid seeds and transformed variants with desired traits like male sterility, herbicide resistance, and enhanced nutritional quality through backcrossing and genetic engineering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional breeding methods are used to develop new corn inbred lines, then desirable traits such as high yield and disease resistance can be combined, but the process is time-consuming and unpredictable
Solution Approach 1:
The patent applies preliminary action by using dihaploid technology to create inbred lines in a single generation rather than requiring multiple generations of self-pollination and selection. This preliminary creation of genetically stable lines before hybrid development significantly reduces the time and uncertainty of the breeding process while maintaining the combination of desirable traits.
2Reliability
If extensive breeding programs are implemented to achieve superior traits, then high yield and disease resistance can be obtained, but resource expenditure increases
Solution Approach 1:
The patent replaces conventional mechanical breeding processes (multiple generations of manual pollination and selection) with dihaploid technology that achieves genetic stabilization in a single generation. This substitution significantly reduces the resource expenditure required for breeding programs while producing inbred lines with superior and consistent traits.
3Stability of the object's composition
If multiple generations of self-pollination are performed to achieve homozygosity, then genetic stability is improved, but the breeding cycle length increases
Solution Approach 1:
The patent applies phase transitions by using chromosome doubling in dihaploid plants to rapidly achieve the homozygous state. Instead of progressing through multiple generations of self-pollination (phase 1), the technology directly transitions to homozygosity through chromosome duplication (phase 2), dramatically shortening the breeding cycle while ensuring genetic stability.
Data Source
AI summary
An inbred corn line, designated BC110, is disclosed. The invention relates to the seeds of inbred corn line BC110, to the plants and plant parts of inbred corn line BC110 and to methods for producing a corn plant, either inbred or hybrid, by crossing inbred corn line BC110 with itself or another corn line. The invention also relates to products produced from the seeds, plants, or parts thereof, of inbred corn line BC110 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 BC110.