Corn Variety CV013497 Breeding for Genetic Uniformity
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Solution Overview
Problem
Current corn breeding techniques face challenges in developing uniform corn hybrids with desirable traits such as high yield, disease resistance, and uniform germination due to genetic non-uniformity in cross-pollinated plants, which requires the development of stable inbred plants with specific characteristics.
Innovation Solution
The development of the corn variety CV013497, which includes a cytoplasmic or nuclear factor for male sterility and additional heritable traits like herbicide tolerance and disease resistance, along with a process for producing hybrid seeds by crossing inbred plants to ensure genetic uniformity and desirable characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used in corn breeding, then genetic diversity and adaptability are improved, but genetic uniformity and predictability of performance deteriorate
Solution Approach 1:
The breeding process is segmented into distinct phases: developing homozygous inbred lines through self-pollination to ensure genetic uniformity, then crossing these standardized lines to introduce controlled genetic diversity. This segmentation allows each phase to optimize for its specific goal without compromising the other.
Solution Approach 2:
Homozygous inbred plants are developed in advance through multiple generations of self-pollination and selection before the crossing stage. This preliminary action ensures that the parental lines have stable, uniform genetics, which then allows the F1 hybrid generation to exhibit consistent and predictable performance characteristics.
2Stability of the object's composition
If self-pollination is used to develop homozygous inbred plants, then genetic uniformity is improved, but time to achieve stable varieties increases
Solution Approach 1:
Self-pollination is utilized as a natural biological mechanism of the corn plant to achieve homozygosity. The plant's own reproductive system is harnessed to perform the breeding work, eliminating the need for complex external intervention and reducing time compared to alternative methods that would require manual pollination and selection across multiple generations.
3Productivity
If male sterility factors are introduced to prevent self-pollination, then cross-pollination efficiency is improved, but plant complexity increases
Solution Approach 1:
The male fertility function is extracted or removed from the plant through the introduction of male sterility factors (cytoplasmic or nuclear). This extraction prevents self-pollination and forces cross-pollination, thereby improving hybridization efficiency. The complexity is managed by using well-characterized genetic systems that are understood and controllable.
Data Source
AI summary
According to the invention, there is provided seed and plants of the corn variety designated CV013497. The invention thus relates to the plants, seeds and tissue cultures of the variety CV013497, and to methods for producing a corn plant produced by crossing a corn plant of variety CV013497 with itself or with another corn plant, such as a plant of another variety. The invention further relates to corn seeds and plants produced by crossing plants of variety CV013497 with plants of another variety, such as another inbred line. The invention further relates to the inbred and hybrid genetic complements of plants of variety CV013497.