Corn Variety CV742016 Breeding for Genetic Uniformity
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Solution Overview
Problem
Corn breeding aims to combine desirable traits like high yield, disease resistance, and uniformity, but existing methods struggle to produce stable inbred plants with predictable performance due to genetic non-uniformity in hybrid crops.
Innovation Solution
The development of the corn variety CV742016, which includes a cytoplasmic or nuclear factor for male sterility and additional heritable traits such as herbicide tolerance and disease resistance, along with a process for producing hybrid seeds using specific crossing techniques to ensure genetic stability and uniformity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used to create hybrid corn plants, then genetic diversity and trait combination are improved, but genetic uniformity and predictability deteriorate
Solution Approach 1:
The breeding program segments the breeding population into distinct inbred lines through repeated self-pollination, creating genetically uniform parental lines that can be systematically crossed to produce predictable hybrids with desired trait combinations
Solution Approach 2:
The patent applies preliminary action by developing homozygous inbred plants through multiple generations of self-pollination before crossing. This pre-establishment of genetic uniformity in parental lines ensures that the resulting hybrids will have predictable and uniform performance
2Stability of the object's composition
If self-pollination is used to develop inbred plants, then genetic uniformity is improved, but trait combination and adaptability worsen
Solution Approach 1:
Self-pollination is used as a preliminary action to establish homozygous inbred lines with uniform genetics. Once these uniform parental lines are created, they are then crossed to combine desirable traits from different lines, achieving both uniformity and trait combination
Solution Approach 2:
The patent merges genetically uniform inbred lines from different parental sources through controlled cross-pollination. This combining of uniform lines produces hybrids that maintain genetic predictability while incorporating diverse desirable traits from both parents
3Reliability
If extensive breeding programs are implemented to develop superior inbreds, then trait quality is improved, but time and resource investment increases
Solution Approach 1:
The breeding program employs periodic action through systematic generation cycles of self-pollination and selection. By establishing regular breeding cycles and using mechanical pollination equipment, the program efficiently progresses through multiple generations to develop superior inbreds within a reasonable timeframe
Data Source
AI summary
According to the invention, there is provided seed and plants of the corn variety designated CV742016. The invention thus relates to the plants, seeds and tissue cultures of the variety CV742016, and to methods for producing a corn plant produced by crossing a corn plant of variety CV742016 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 CV742016 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 CV742016.