Hybrid Corn Variety CH010573 for Uniform High-Yield Breeding
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Solution Overview
Problem
Existing corn breeding techniques struggle to develop hybrids with uniformity and desirable traits such as increased yield, resistance to pests and diseases, and improved agronomic qualities, while maintaining genetic stability and efficiency in cross-pollination processes.
Innovation Solution
The development of the hybrid corn variety CH010573, which incorporates cytoplasmic or nuclear factors for male sterility, genetic modifications for traits like herbicide resistance and disease resistance, and a method for controlled cross-pollination using emasculation and pollen transfer to ensure hybrid purity, along with genetic editing techniques like CRISPR-Cas systems for precise trait introduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional breeding methods are used to develop corn hybrids, then genetic diversity can be maintained, but breeding time and complexity increase significantly
Solution Approach 1:
The patent applies preliminary action by pre-establishing inbred lines with desired traits through multiple generations of self-pollination and selection before hybridization. This preliminary development of pure lines (CV787354 and CV953733) with specific genetic characteristics enables faster hybrid development while maintaining genetic diversity, as the foundational genetic material is prepared in advance rather than during the hybridization process itself
2Stability of the object's composition
If self-pollination is used to develop homozygous inbred plants, then genetic uniformity is achieved, but the process requires multiple generations and reduces productivity
Solution Approach 1:
The patent implements preliminary action by conducting extensive self-pollination and selection processes in advance to develop stable homozygous inbred lines (CV787354 and CV953733) with uniform genetic composition. This preliminary establishment of genetically uniform parent lines ensures that when hybridization occurs, the desired genetic uniformity is already embedded in the parental material, reducing the need for multiple subsequent generations of selection and improving overall breeding productivity
3Productivity
If cross-pollination is used to produce hybrid plants, then heterosis and improved yield are achieved, but maintaining genetic stability becomes more difficult
Solution Approach 1:
The patent applies local quality by ensuring that while the hybrid combination (cross-pollination) provides heterosis and improved yield, the parental lines themselves maintain high genetic uniformity through prolonged self-pollination and selection. This creates a localized genetic stability within each parent line that, when combined, produces uniform hybrid progeny. The distinct genetic identities of CV787354 and CV953733 are preserved locally, enabling stable hybrid production
4Adaptability or versatility
If multiple breeding populations are combined to develop new inbred plants, then trait diversity is improved, but the complexity of selection and evaluation increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct, manageable components: separate development of inbred line CV787354 with specific desirable traits and inbred line CV953733 with complementary traits. Each parental line is developed independently through systematic self-pollination and selection, allowing traits to be accumulated and refined in separate genetic backgrounds. This segmented approach to developing parental lines simplifies the overall breeding program complexity while maintaining trait diversity, as each segment can be optimized independently before combination
Data Source
AI summary
According to the disclosure, there is provided seed and plants of the hybrid corn variety designated CH010573. The disclosure thus relates to the plants, seeds, and tissue cultures of the variety CH010573, and to methods for producing a corn plant produced by crossing a corn plant of variety CH010573 with itself or with another corn plant, such as a plant of another variety. The disclosure further relates to genetic complements of plants of variety CH010573.