Inbred Corn Line BB36 Breeding Predictability
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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 inheritance and environmental factors, making it challenging to identify genetically superior plants and combine desirable traits effectively.
Innovation Solution
The introduction of the inbred corn line BB36, which can be used to produce hybrid seeds with specific traits such as male sterility, herbicide resistance, and disease resistance, through methods like backcrossing and genetic engineering, allowing for the precise transfer of desired genes and traits into the corn plant.
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 taking 8-12 years
Solution Approach 1:
The patent applies preliminary action by creating inbred lines with predetermined genetic combinations and characteristics before they are needed for hybrid development. The inbred lines are developed through controlled self-pollination and selection processes that pre-establish desirable traits such as disease resistance, yield potential, and agronomic characteristics, thereby reducing the overall breeding time and increasing predictability when these lines are later used in hybrid crosses.
Solution Approach 2:
The patent utilizes parameter changes by systematically modifying genetic parameters through controlled pollination, selection criteria, and environmental management. By changing and optimizing parameters such as plant density, pollination timing, selection intensity, and environmental conditions, the breeding program achieves more reliable and predictable outcomes while reducing the time required to develop superior inbred lines.
2Measurement precision
If conventional breeding procedures are used without DNA level control, then genetic combinations are generated through natural processes, but the true genotypic value is masked by environmental factors and confounding traits
Solution Approach 1:
The patent applies segmentation by separating the effects of genetics from the effects of environment through controlled experimental designs. The breeding program uses replicated evaluations, controlled environments, and statistical analysis methods that partition variance components to isolate true genotypic values from environmental noise and confounding factors, thereby improving measurement precision in identifying genetically superior plants.
Solution Approach 2:
The patent utilizes feedback mechanisms through continuous evaluation and selection processes. Performance data from planted lines are systematically collected and analyzed, with feedback used to adjust selection criteria, modify breeding strategies, and refine evaluation methods. This feedback loop enables more accurate identification of genetically superior plants by accounting for environmental variations and improving measurement precision over time.
Data Source
AI summary
An inbred corn line, designated BB36, is disclosed. The invention relates to the seeds of inbred corn line BB36, to the plants and plant parts of inbred corn line BB36 and to methods for producing a corn plant, either inbred or hybrid, by crossing the inbred line BB36 with itself or another corn line. 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 the inbred BB36.