Hybrid Corn CH010364 Male Sterility Breeding
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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 CH010364, which includes a cytoplasmic or nuclear factor for male sterility or self-incompatibility, along with genetic modifications that confer traits like herbicide resistance, insect resistance, and disease resistance, is achieved through advanced breeding techniques and genetic transformation methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used to develop hybrid varieties with desirable traits, then genetic diversity and trait combination are improved, but self-pollination control becomes more difficult
Solution Approach 1:
The patent introduces a cytoplasmic male sterility system as an intermediary mechanism to control pollination. This system uses a nuclear gene (restorer gene) that acts as a mediator between the cytoplasmic sterility factor and pollen production, allowing precise control over self-pollination while maintaining the benefits of hybrid crossing.
Solution Approach 2:
The patent modifies the genetic parameters of the corn plant by introducing specific cytoplasmic male sterility factors and restorer genes. This changes the pollination parameter from natural self-pollination to controlled cross-pollination, enabling reliable hybrid variety development while preventing unwanted self-pollination.
2Productivity
If multiple desirable traits are combined in a single hybrid variety, then agricultural performance is improved, but genetic stability becomes more difficult to maintain
Solution Approach 1:
The patent segments the genetic material into distinct components: cytoplasmic male sterility factors, restorer genes, and other desirable traits. This segmentation allows each trait to be independently controlled and combined, maintaining genetic stability while achieving high agricultural performance through precise trait assembly.
Solution Approach 2:
The patent employs preliminary action by developing and selecting parent lines with specific traits before creating the final hybrid. This preliminary selection process ensures that the desired traits are already established and stable in the parent lines, making it easier to maintain genetic stability in the resulting hybrid variety.
3Adaptability or versatility
If traditional breeding methods are used to develop hybrid varieties, then genetic diversity is improved, but breeding time and complexity increase
Solution Approach 1:
The patent replaces traditional mechanical breeding methods with a more efficient cytoplasmic male sterility-based system. This substitution eliminates the need for manual emasculation and hand-pollination, significantly reducing breeding time while maintaining genetic diversity through controlled cross-pollination.
Solution Approach 2:
The cytoplasmic male sterility system provides self-service by automatically preventing self-pollination without requiring manual intervention. The plant's own cytoplasmic factors and restorer genes work together to control pollination, reducing the time and complexity associated with traditional breeding methods.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH010364. The invention thus relates to the plants, seeds and tissue cultures of the variety CH010364, and to methods for producing a corn plant produced by crossing a corn plant of variety CH010364 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 CH010364.