Corn Variety CV109397 Uniform Hybrid Production
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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 CV109397, which is a stable inbred plant with specific traits like male sterility, herbicide tolerance, and disease resistance, achieved through backcrossing and genetic transformation techniques, ensuring uniformity and desirable characteristics in progeny plants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional corn breeding techniques are used to develop hybrids, then various desirable traits can be combined in a single variety, but the resulting hybrid plants exhibit genetic non-uniformity leading to unpredictable performance
Solution Approach 1:
The breeding process is segmented into distinct phases: developing homozygous inbred parental lines through repeated self-pollination, then crossing these standardized inbreds to produce uniform F1 hybrids. This segmentation ensures genetic uniformity within each phase while allowing trait combination across phases.
Solution Approach 2:
The genetic uniformity parameter is changed from heterogeneous (in conventional hybridization) to homogeneous (in inbred lines) through controlled self-pollination over multiple generations, ensuring predictable performance in progeny.
2Reliability
If self-pollination is used to develop homozygous inbred plants, then uniform true-breeding progeny are produced, but the breeding process requires extensive generations of selection
Solution Approach 1:
Homozygous inbred parental lines are developed in advance through repeated self-pollination and selection before the actual hybridization event. This preliminary preparation of genetically uniform parents ensures that the subsequent F1 hybrid generation will be uniform, justifying the time investment in the preliminary inbreeding phase.
3Adaptability or versatility
If cross-pollination is used to produce hybrid plants, then genetic diversity is introduced, but the resulting population is non-uniform and performance is unpredictable
Solution Approach 1:
Genetic diversity is introduced locally at the parental level through selection of inbred lines with specific desirable traits, while the F1 hybrid population maintains uniformity through controlled cross-pollination between genetically standardized parents. Each parental line contributes specific local genetic qualities without compromising overall population uniformity.
Data Source
AI summary
According to the invention, there is provided seed and plants of the corn variety designated CV109397. The invention thus relates to the plants, seeds and tissue cultures of the variety CV109397, and to methods for producing a corn plant produced by crossing a corn plant of variety CV109397 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 CV109397 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 CV109397.