CD7 Inbred Corn Line Stable Hybrid Development
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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 complexity of inheritance, leading to high research costs and lengthy breeding processes.
Innovation Solution
The introduction of the CD7 corn inbred line, which is characterized by specific morphological and physiological traits, and methods for producing and utilizing its seeds, including mutagenized populations, tissue culture, and transgenic modifications to confer desirable traits such as disease resistance and improved yield.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop new corn inbred lines, then genetic diversity and trait complexity can be explored, but the breeding process becomes unpredictable and time-consuming due to environmental factors masking true genotypic value
Solution Approach 1:
The patent applies preliminary action by conducting replicated evaluations of families of related plants before final selection. This allows the true genotypic value to be revealed through multiple observations across different environments, eliminating the masking effect of environmental factors and reducing the overall breeding timeline by making selection decisions based on more reliable data earlier in the process
2Measurement precision
If replicated evaluations are conducted to accurately assess genetic worth, then selection accuracy improves, but research costs and breeding complexity increase
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct phases: initial family evaluation, replicated testing of selected families, and final selection. This segmentation allows replicated evaluations to be focused only on promising families rather than all plants, improving measurement precision while controlling program complexity through structured progression
3Reliability
If superior individuals are identified through observation, then genetic superiority can be selected, but environmental factors and confounding plant traits mask the true genotypic value
Solution Approach 1:
The patent applies feedback by using the results from replicated evaluations to refine selection decisions. Multiple observations provide feedback on consistent performance across environments, allowing breeders to distinguish true genotypic superiority from environmental effects or temporary phenotypic expressions, thereby improving identification reliability
Data Source
AI summary
Inbred corn line, designated CD7, are disclosed. The invention relates to the seeds of inbred corn line CD7, to the plants and plant parts of inbred corn line CD7 and to methods for producing a corn plant, either inbred or hybrid, by crossing inbred corn line CD7 with itself or another corn line. The invention also relates to products produced from the seeds, plants, or parts thereof, of inbred corn line CD7 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 corn lines derived from inbred corn line CD7.