Hybrid Corn CH177362 Cytoplasmic Male Sterility Breeding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current corn breeding techniques face challenges in developing hybrid varieties that combine desirable traits such as high yield, disease resistance, and uniformity, while maintaining genetic stability and avoiding self-pollination, which limits the efficiency of hybrid seed production.
Innovation Solution
The development of the hybrid corn variety CH177362, which incorporates genetic modifications and cytoplasmic male sterility traits to prevent self-pollination, along with tissue culture methods for regenerating plants with specific physiological and morphological characteristics, enables the production of hybrid seeds with enhanced traits like herbicide resistance and improved agronomic qualities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional self-pollination breeding methods are used, then genetic stability is maintained, but hybrid seed production efficiency is limited due to self-pollination
Solution Approach 1:
The patent removes the self-pollination capability from the breeding system by introducing cytoplasmic male sterility, which eliminates functional pollen production. This extraction of the self-pollination function forces cross-pollination, thereby improving hybrid seed production efficiency while maintaining genetic stability through controlled mating
Solution Approach 2:
The patent introduces a cytoplasmic male sterility factor as an intermediary mechanism that prevents self-pollination. This intermediary element (sterility factor) acts as a mediator to ensure cross-pollination occurs, enabling efficient hybrid seed production while maintaining genetic integrity through controlled genetic combination
2Adaptability or versatility
If multiple desirable traits are combined in hybrid varieties, then agronomic quality improves, but breeding complexity increases
Solution Approach 1:
The patent applies multi-functionality by developing hybrid corn varieties that simultaneously express multiple desirable traits including herbicide resistance, disease resistance, and improved yield characteristics. The single hybrid variety serves multiple agricultural functions, improving agronomic quality while the standardized breeding approach using cytoplasmic male sterility helps manage breeding program complexity
3Productivity
If cytoplasmic male sterility is used to prevent self-pollination, then hybrid seed production efficiency improves, but genetic modification requirements increase
Solution Approach 1:
The patent utilizes cytoplasmic male sterility, which is a self-service mechanism where the plant's own cytoplasmic genetics automatically prevent pollen production. This self-regulating biological mechanism improves hybrid seed production efficiency by eliminating the need for external emasculation procedures, while the genetic modification complexity is managed through natural cytoplasmic inheritance patterns rather than complex transgenic approaches
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH177362. The invention thus relates to the plants, seeds and tissue cultures of the variety CH177362, and to methods for producing a corn plant produced by crossing a corn plant of variety CH177362 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 CH177362.