Corn Variety CV227310 Inbred Line Segmentation for Hybrid Uniformity
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Solution Overview
Problem
Corn breeding techniques face challenges in developing uniform corn hybrids with desirable traits such as high yield, disease resistance, and pest tolerance, as existing methods often result in unpredictable performance due to genetic non-uniformity in cross-pollinated plants.
Innovation Solution
The development of the corn variety CV227310, which is an inbred plant with specific physiological and morphological characteristics, including cytoplasmic male sterility and the ability to introduce additional heritable traits like herbicide tolerance and disease resistance through genetic transformation, ensuring uniformity and stability in progeny.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used in corn breeding, then genetic diversity is increased, but uniformity and predictability of hybrid performance deteriorate
Solution Approach 1:
The breeding process is segmented into distinct phases: first developing homozygous inbred lines through self-pollination to ensure uniformity, then crossing these standardized inbreds to produce hybrids. This segmentation allows genetic diversity to be introduced only at the crossing stage while maintaining uniformity within each parental line.
Solution Approach 2:
Inbred parental lines are developed and standardized through multiple generations of self-pollination and selection before being used in hybrid crosses. This preliminary action ensures that parental lines are genetically uniform and stable, which guarantees predictable hybrid performance when crossed.
2Manufacturing precision
If self-pollination is used to develop inbred lines, then uniformity of parental lines is improved, but genetic diversity is reduced
Solution Approach 1:
Self-pollination is used as a preliminary action to develop homozygous inbred lines with uniform genetics before the crossing stage. This ensures parental line uniformity while the subsequent crossing restores genetic diversity in the hybrid.
Solution Approach 2:
The breeding process separates the uniformity-building phase (self-pollination of inbreds) from the diversity-introducing phase (crossing of inbreds). This segmentation allows each objective to be optimized independently.
3Productivity
If traditional breeding methods are used to develop hybrids, then commercial variety development is achieved, but performance predictability deteriorates due to non-uniformity
Solution Approach 1:
The breeding method changes the genetic uniformity parameter of parental lines by using self-pollination to create homozygous inbreds. This parameter change in the parents ensures predictable performance in the hybrid offspring, resolving the reliability issue.
Data Source
AI summary
According to the invention, there is provided seed and plants of the corn variety designated CV227310. The invention thus relates to the plants, seeds and tissue cultures of the variety CV227310, and to methods for producing a corn plant produced by crossing a corn plant of variety CV227310 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 CV227310 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 CV227310.