Hybrid Corn CH010396 Breeding Segmentation
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Solution Overview
Problem
The challenge in corn breeding is to develop hybrid varieties that combine desirable traits such as high yield, disease resistance, and uniformity, while maintaining genetic stability and avoiding self-pollination.
Innovation Solution
The development of the hybrid corn variety CH010396, which includes genetic modifications and cytoplasmically-inherited traits to confer traits like male sterility, herbicide resistance, and disease resistance, while using tissue culture techniques to regenerate plants with consistent physiological and morphological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used to develop hybrid corn varieties, then genetic diversity and desirable traits are improved, but genetic stability and uniformity are worsened
Solution Approach 1:
The invention segments the breeding process into distinct phases: developing homozygous inbred parent lines through self-pollination to ensure genetic stability, then crossing these stabilized lines to generate hybrid progeny with desired genetic diversity. This segmentation allows each phase to optimize for its specific goal without compromising the other.
Solution Approach 2:
The invention performs preliminary action by first developing and stabilizing homozygous inbred parent lines through multiple generations of self-pollination and selection before proceeding to cross-pollination. This preliminary stabilization ensures that the subsequent hybrid generation inherits consistent, predictable traits while still benefiting from cross-pollination diversity.
2Stability of the object's composition
If self-pollination is used to maintain homozygous lines, then genetic stability is improved, but genetic diversity and adaptability are worsened
Solution Approach 1:
The invention dynamically switches between self-pollination and cross-pollination modes depending on the breeding phase. During the inbred line development phase, self-pollination is used to maintain genetic stability. During the hybridization phase, cross-pollination is employed to generate genetic diversity and combine desirable traits from different parent lines.
Solution Approach 2:
The invention maintains continuity of useful action by continuously selecting and propagating plants with desirable traits through multiple generations of self-pollination to establish stable inbred lines, then continuously crossing these lines to produce hybrid progeny that combine the accumulated desirable traits while maintaining uniformity.
3Adaptability or versatility
If multiple breeding methods are used to combine desirable traits, then trait diversity is improved, but breeding complexity and time are worsened
Solution Approach 1:
The invention employs universal breeding methods that can be applied across different corn varieties and trait combinations. The pedigree breeding and recurrent selection methods described are general approaches that can target multiple different desirable traits (yield, disease resistance, maturity, etc.) using the same fundamental methodology, reducing the need for variety-specific complex procedures.
Solution Approach 2:
The invention incorporates feedback mechanisms through phenotypic and genotypic selection at multiple stages of the breeding process. Plants are evaluated for desirable traits, and this information feeds back into the selection process to guide which plants are propagated and crossed, allowing systematic accumulation of desirable traits while monitoring and controlling breeding complexity.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH010396. The invention thus relates to the plants, seeds and tissue cultures of the variety CH010396, and to methods for producing a corn plant produced by crossing a corn plant of variety CH010396 with itself or with another corn plant, such as a plant of another variety. The invention further relates to genetic complements of plants of variety CH010396.