CH010389 Hybrid Corn Variety for Uniform, Stable Trait Incorporation
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Solution Overview
Problem
Existing corn breeding techniques struggle to develop hybrids with uniformity and stability, incorporating desirable traits such as yield, disease resistance, and genetic modifications efficiently.
Innovation Solution
The development of the hybrid corn variety CH010389, which includes genetic modifications for traits like male sterility, herbicide resistance, and disease resistance, achieved through methods like backcrossing and genetic transformation, ensuring uniformity and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to develop corn hybrids, then uniformity and stability can be achieved, but the process is time-consuming and inefficient
Solution Approach 1:
The patent employs preliminary action by pre-establishing inbred parental lines with desired traits through multiple generations of self-pollination and selection before hybridization. This preparatory work ensures that when crosses are made, the offspring uniformly inherit the predetermined traits, reducing the time needed for subsequent selection and stabilization.
Solution Approach 2:
The patent uses copying by creating true-breeding inbred lines that serve as identical genetic templates. These inbred parents are then crossed to produce hybrid progeny that uniformly copy the combination of parental traits, achieving consistency across large populations without repeated breeding cycles.
2Reliability
If multiple desirable traits are incorporated into corn hybrids, then yield and resistance improve, but the complexity of breeding programs increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into separate inbred parental lines, each developed to carry specific desirable traits such as disease resistance or yield components. This modular approach allows independent development and optimization of each trait before combining them in hybrid crosses, simplifying the overall breeding management.
Solution Approach 2:
The patent merges multiple desirable traits by crossing inbred parental lines that have been independently developed with specific characteristics. The hybrid progeny combines the trait packages from both parents, achieving multi-trait improvement while managing complexity through systematic parental line development rather than simultaneous multi-trait selection.
3Manufacturing precision
If self-pollination is used to develop homozygous inbred plants, then uniformity is achieved, but genetic diversity is reduced
Solution Approach 1:
The patent applies inversion by reversing the typical approach: instead of starting with genetic diversity and selecting for uniformity, it deliberately creates homozygous inbred lines through self-pollination to achieve uniformity, then combines these uniform lines through cross-pollination to restore genetic diversity in the hybrid progeny. This inverted sequence allows both uniformity and diversity to be achieved at different stages.
Solution Approach 2:
The patent employs dynamics by transitioning between two pollination modes: self-pollination during the inbred line development phase to achieve uniformity, then cross-pollination during the hybridization phase to restore genetic diversity. This dynamic switching of pollination strategies allows the breeding program to achieve both uniformity in parental lines and genetic diversity in the final hybrid product.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH010389. The invention thus relates to the plants, seeds and tissue cultures of the variety CH010389, and to methods for producing a corn plant produced by crossing a corn plant of variety CH010389 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 CH010389.