CH010409 Hybrid Corn Breeding for Stable Trait Combinations
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing corn breeding techniques struggle to combine multiple desirable traits such as yield, disease resistance, and uniformity in a single hybrid variety, limiting the efficiency and effectiveness of corn cultivation.
Innovation Solution
Development of the hybrid corn variety CH010409, which incorporates genetic modifications and cytoplasmically inherited traits like male sterility, along with specific agronomic characteristics, and can be produced through controlled cross-pollination and tissue culture methods, enabling the integration of traits like herbicide resistance, disease resistance, and improved growth properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to develop corn hybrids, then multiple desirable traits can be combined over many generations, but the breeding process becomes extremely time-consuming and slow
Solution Approach 1:
The patent creates preliminary homozygous inbred lines through repeated self-pollination before the actual hybrid cross. This preliminary action of developing pure-breeding parent lines in advance allows the final hybrid to inherit stable, predictable combinations of traits without requiring many generations of breeding the hybrid itself.
Solution Approach 2:
The breeding process is segmented into distinct phases: developing inbred parent lines separately through self-pollination, then crossing them to produce the hybrid. This segmentation allows parallel development of multiple parent lines with different trait combinations, significantly reducing overall breeding time compared to developing all traits sequentially in a single line.
2Stability of the object's composition
If self-pollination is used to create uniform true-breeding lines, then genetic uniformity is achieved, but genetic diversity is reduced limiting trait combination possibilities
Solution Approach 1:
The patent merges genetically uniform but genetically distinct inbred parent lines through cross-pollination. Each parent line contributes different sets of homozygous alleles, and their combination in the F1 hybrid restores genetic diversity while maintaining uniformity within the hybrid population, enabling both trait combination and consistency.
Solution Approach 2:
Different regions of the genome maintain different qualities: each parent line contributes specific homozygous segments with fixed traits. The hybrid combines these locally differentiated genetic segments, allowing different parts of the genome to contribute different specialized traits while the overall hybrid population remains uniform.
3Productivity
If cross-pollination is used to create hybrid vigor, then yield and performance are improved, but maintaining genetic purity and preventing unwanted cross-breeding becomes difficult
Solution Approach 1:
The patent extracts and removes unwanted pollen through physical barriers (bags) and timing controls, allowing only the desired cross-pollination to occur. This extraction of interfering pollen sources ensures that the hybrid seed produced comes exclusively from the intended parental cross, maintaining genetic purity while still achieving hybrid vigor.
Solution Approach 2:
The patent uses physical intermediaries such as pollination bags and controlled environments to mediate the cross-pollination process. These intermediaries facilitate the desired genetic exchange between specific parent lines while blocking unwanted pollen transfer, thus maintaining precision in hybrid production.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH010409. The invention thus relates to the plants, seeds and tissue cultures of the variety CH010409, and to methods for producing a corn plant produced by crossing a corn plant of variety CH010409 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 CH010409.