Inbred Corn Line CB64 Breeding Efficiency
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Solution Overview
Problem
The development of new corn cultivars is a time-consuming process due to the unpredictability of breeding outcomes in unique environments and the difficulty in identifying genetically superior plants, leading to high research costs and resource inefficiencies.
Innovation Solution
The introduction of the inbred corn line CB64, 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 enhance traits such as yield, disease resistance, and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop new corn cultivars, then genetic diversity and adaptability can be achieved, but the process becomes time-consuming and unpredictable due to environmental factors masking true genotypic value
Solution Approach 1:
The patent applies preliminary action by conducting replicated evaluations and family-based selections before final cultivar development. This allows the true genotypic value to be identified earlier in the breeding process by evaluating mean values from replicated families rather than single observations, reducing the time needed to identify superior genetic combinations while maintaining adaptability.
Solution Approach 2:
The patent implements feedback mechanisms through periodic objective evaluation of breeding program efficiency, comparing gain from selection per year against standards. This feedback loop allows breeders to adjust selection criteria and methods based on measured performance, optimizing the balance between adaptability and development time.
2Measurement precision
If extensive replicated evaluations are conducted to accurately assess genetic worth, then selection precision improves, but resource requirements and program complexity increase
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct phases: initial family formation, replicated family evaluations, selection of superior families, and final cultivar development. This segmentation allows measurement precision to be concentrated at critical decision points rather than requiring continuous complex evaluations throughout the entire breeding process.
Solution Approach 2:
The patent uses partial action by conducting replicated evaluations only for families that show promise in preliminary screenings. Not all breeding lines undergo the full replicated evaluation process, which maintains selection precision for key candidates while reducing overall program complexity and resource requirements.
3Adaptability or versatility
If multiple breeding methods and techniques are employed to improve various traits, then trait improvement coverage increases, but the difficulty of managing and evaluating multiple approaches increases
Solution Approach 1:
The patent applies universality by using a standardized evaluation framework that can assess multiple traits (yield, disease resistance, maturity, plant characteristics) across different breeding methods and populations. This universal evaluation system simplifies the management and comparison of diverse breeding approaches by providing consistent measurement criteria for all trait improvements.
Data Source
AI summary
Inbred corn line, designated CB64, are disclosed. The invention relates to the seeds of inbred corn line CB64, to the plants and plant parts of inbred corn line CB64 and to methods for producing a corn plant, either inbred or hybrid, by crossing inbred corn line CB64 with itself or another corn line. The invention also relates to products produced from the seeds, plants, or parts thereof, of inbred corn line CB64 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 CB64.