Hybrid Corn CH011124 Breeding for Genetic Stability and Yield
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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 trait introduction and hybrid seed production.
Innovation Solution
The development of the hybrid corn variety CH011124, which incorporates genetic modifications and cytoplasmic male sterility traits to prevent self-pollination, along with a method for producing hybrid seeds by crossing specific parent plants, ensuring genetic stability and introducing desired traits like herbicide resistance and disease resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If self-pollination is allowed in corn breeding, then genetic stability is maintained, but hybrid seed production efficiency decreases and genetic diversity is limited
Solution Approach 1:
The invention divides the breeding population into distinct inbred parental lines that are genetically stabilized through multiple generations of self-pollination. These segmented parental lines are then crossed to produce hybrids, allowing genetic stability to be maintained within each parent while achieving hybrid vigor in the offspring.
Solution Approach 2:
The invention performs preliminary self-pollination and selection over multiple generations to develop homozygous inbred parental lines before crossing. This preliminary action ensures genetic stability is established in the parents, which then enables efficient hybrid seed production with predictable traits.
2Adaptability or versatility
If multiple breeding methods are used to combine desirable traits, then trait diversity increases, but breeding program complexity increases
Solution Approach 1:
The invention employs a universal pedigree breeding method that can incorporate various desirable traits (disease resistance, yield, quality) through systematic selection and crossing. This multi-functional approach allows a single breeding program to achieve multiple objectives without requiring entirely separate methods for each trait.
Solution Approach 2:
The invention implements feedback mechanisms through phenotypic and genotypic selection at multiple stages of the breeding process. Desired traits are identified and selected for in each generation, providing feedback that guides subsequent crossing decisions and ensures the accumulation of multiple desirable traits in the final hybrid.
3Manufacturing precision
If inbred plants are developed through extensive selfing and selection, then uniformity improves, but time to crop maturity increases
Solution Approach 1:
The invention performs the time-consuming selfing and selection process in advance to develop uniform inbred parental lines. Once these parental lines are established, the actual hybrid production can proceed more quickly, as the uniformity has already been achieved in the parents rather than needing to be developed in each generation of the breeding program.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH011124. The invention thus relates to the plants, seeds and tissue cultures of the variety CH011124, and to methods for producing a corn plant produced by crossing a corn plant of variety CH011124 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 CH011124.