CH010402 Hybrid Corn Variety Through Controlled Cross-Pollination
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing corn breeding techniques struggle to develop hybrids with uniformity and stability, incorporating desirable traits such as yield, disease resistance, and drought tolerance, while maintaining genetic diversity and efficiency in pollination processes.
Innovation Solution
The development of the hybrid corn variety CH010402, which includes genetic modifications for traits like male sterility, herbicide resistance, and disease resistance, achieved through cytoplasmic and nuclear factors, and utilizes methods like backcrossing and genetic editing to integrate specific loci, ensuring uniformity and desirable characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional corn breeding techniques are used to develop hybrids, then genetic diversity can be maintained, but uniformity and stability of desirable traits such as yield and disease resistance are difficult to achieve
Solution Approach 1:
The breeding program segments the development process into distinct phases: creating homozygous inbred lines through repeated self-pollination, then crossing these standardized lines to produce uniform F1 hybrids. This segmentation allows each phase to optimize for its specific goal while maintaining overall genetic diversity through the selection of diverse parental lines.
Solution Approach 2:
The patent applies parameter changes by controlling pollination parameters - specifically preventing self-pollination through male sterility or physical isolation, and ensuring cross-pollination between selected inbred lines. This controlled parameter change achieves uniformity in the hybrid generation while maintaining the ability to create genetically diverse combinations through selective breeding.
2Stability of the object's composition
If self-pollination is used to create homozygous inbred plants, then uniformity of true breeding progeny is achieved, but genetic diversity is reduced
Solution Approach 1:
The breeding program performs preliminary action by creating and maintaining multiple homozygous inbred lines before the hybridization step. These pre-developed inbred lines with stable, uniform genetics serve as standardized parental materials that can be systematically crossed to produce hybrids with predictable and uniform traits.
Solution Approach 2:
The process segments genetics into two functional components: homozygous inbred lines that provide genetic stability and uniformity, and the cross-pollination event that generates hybrid vigor. This segmentation allows each component to fulfill its specific role while the combination achieves both uniformity and adaptability.
3Adaptability or versatility
If cross-pollination is used to produce hybrid plants, then genetic diversity and hybrid vigor are enhanced, but uniformity of the hybrid population may be compromised
Solution Approach 1:
The patent controls the cross-pollination parameter by using standardized homozygous inbred lines as parents and preventing unintended cross-contamination through physical or biological isolation. This controlled parameter change ensures that all F1 hybrids receive identical genetic combinations, achieving uniformity while maintaining hybrid vigor.
Solution Approach 2:
Preliminary action is taken by thoroughly characterizing and standardizing the parental inbred lines before crossing. This preliminary standardization of parental genetics ensures that the resulting hybrid population will be uniform, as all hybrids derive from genetically identical parental sources.
4Reliability
If extensive breeding programs are implemented to develop superior inbred parental plants, then desirable characteristics can be achieved, but time and resource investment increase
Solution Approach 1:
The breeding program performs preliminary action by developing and maintaining a library of characterized homozygous inbred lines with known desirable traits. Once these parental lines are established, creating new hybrids becomes a matter of strategic crossing rather than de novo breeding, significantly reducing the time required to develop new hybrid varieties with superior characteristics.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH010402. The invention thus relates to the plants, seeds and tissue cultures of the variety CH010402, and to methods for producing a corn plant produced by crossing a corn plant of variety CH010402 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 CH010402.