Corn Variety CV032767 Homogeneous Inbred Lines
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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 uniformity, as they often result in unpredictable performance due to genetic non-uniformity among hybrid plants.
Innovation Solution
The development of the corn variety CV032767, which includes a cytoplasmic or nuclear factor for male sterility and other desirable traits like herbicide tolerance and disease resistance, is achieved through backcrossing and genetic transformation techniques, ensuring a homogeneous population of inbred seeds and plants with specific genetic loci.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional corn breeding techniques are used to develop hybrids, then various desirable traits can be combined, but genetic non-uniformity results in unpredictable performance
Solution Approach 1:
The breeding process is segmented into distinct phases: developing homozygous inbred parental lines through self-pollination, then crossing these standardized inbreds to produce uniform F1 hybrids. This segmentation ensures genetic consistency within each phase while combining traits across phases.
Solution Approach 2:
The patent emphasizes creating homogeneous populations through homozygous inbred plants that are genetically uniform. This homogeneity in the parental lines ensures that all F1 hybrid offspring receive identical genetic combinations, making the population uniform and performance predictable.
2Stability of the object's composition
If self-pollination is used to develop homozygous inbred plants, then uniform populations are produced, but breeding complexity increases
Solution Approach 1:
Homozygous inbred parental lines are developed in advance through multiple generations of self-pollination and selection before the actual hybrid crossing. This preliminary action creates genetically stable, uniform parents that simplify the subsequent hybridization process and ensure consistent F1 offspring.
Solution Approach 2:
The breeding process utilizes the plant's natural self-pollination capability to develop homozygous inbreds. By allowing plants to self-pollinate over generations, the system automatically generates genetic uniformity without requiring complex external intervention, thus using the plant's own biological mechanisms to achieve the desired stability.
3Adaptability or versatility
If cross-pollination is used to produce hybrid plants, then genetic diversity is achieved, but population uniformity is lost
Solution Approach 1:
The patent achieves population uniformity by crossing two homozygous inbred lines that are each genetically uniform. Although cross-pollination introduces genetic recombination, the starting material (homozygous inbreds) ensures that all F1 hybrids receive the same parental alleles, resulting in a uniform F1 population despite the cross-pollination mechanism.
Data Source
AI summary
According to the invention, there is provided seed and plants of the corn variety designated CV032767. The invention thus relates to the plants, seeds and tissue cultures of the variety CV032767, and to methods for producing a corn plant produced by crossing a corn plant of variety CV032767 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 CV032767 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 CV032767.