Hybrid Corn CH827983 Breeding for Genetic Uniformity
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Solution Overview
Problem
Current corn breeding techniques face challenges in developing uniform hybrid varieties with desirable traits such as high yield, disease resistance, and uniform germination due to genetic non-uniformity and unpredictability in cross-pollination, necessitating the development of stable inbred plants and specific breeding methods.
Innovation Solution
The development of the hybrid corn variety CH827983, which incorporates cytoplasmic or nuclear factors for male sterility and desired traits like herbicide resistance, insect resistance, and disease resistance through genetic loci introduced via backcrossing or genetic transformation, along with tissue culture methods for regenerating plants with consistent physiological and morphological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used to combine desirable traits from different plants, then genetic diversity and trait combination are improved, but genetic non-uniformity and performance unpredictability worsen
Solution Approach 1:
The patent applies preliminary action by first developing homozygous inbred plants through repeated self-pollination and selection before creating the hybrid cross. This preliminary inbreeding process ensures that the parent plants are genetically uniform and stable, which then allows the subsequent cross-pollination to produce predictable and uniform hybrid progeny with consistent desired traits.
2Stability of the object's composition
If self-pollination is used to develop homozygous inbred plants, then genetic uniformity is improved, but the ability to combine diverse desirable traits worsens
Solution Approach 1:
The patent applies segmentation by dividing the breeding process into distinct phases: first developing homozygous inbred lines through self-pollination to achieve genetic uniformity, then performing controlled cross-pollination between different inbred lines to combine diverse desirable traits. This segmentation allows each phase to optimize for its specific goal without compromise.
3Adaptability or versatility
If traditional breeding methods are used to develop hybrid varieties, then trait combination is achieved, but development time and complexity increase
Solution Approach 1:
The patent applies preliminary action by pre-establishing homozygous inbred plants through multiple generations of self-pollination and selection before the actual hybrid cross. This preliminary work, while time-consuming, creates stable parental lines that can then produce uniform hybrids more efficiently, reducing the overall time needed for variety development compared to starting with diverse populations.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH827983. The invention thus relates to the plants, seeds and tissue cultures of the variety CH827983, and to methods for producing a corn plant produced by crossing a corn plant of variety CH827983 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 CH827983.