Hybrid Corn CH162086 Genetic Stability via Segmentation
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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, uniform hybrid plants due to genetic non-uniformity and unpredictability in cross-pollination, requiring the development of homozygous inbred plants and complex breeding techniques.
Innovation Solution
The development of the hybrid corn variety CH162086, which includes cytoplasmic or nuclear factors for male sterility and specific genetic loci conferring traits like herbicide resistance and disease resistance, using backcrossing and genetic transformation techniques to introduce desired traits, and tissue culture methods for regenerating plants with consistent 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 breeding process is divided into distinct phases: first developing homozygous inbred lines through repeated self-pollination, then crossing these inbreds to produce uniform F1 hybrids. This segmentation ensures that each phase achieves its specific goal of either maximizing diversity (inbred development) or maximizing uniformity (hybrid production).
Solution Approach 2:
Before producing the final hybrid, the patent performs preliminary self-pollination and selection over multiple generations to develop homozygous inbred parent lines. This preliminary action establishes genetic stability in the parents, ensuring that their cross produces uniform and predictable F1 hybrids with consistent desirable traits.
2Reliability
If self-pollination is used to develop homozygous inbred plants, then genetic uniformity is improved, but breeding complexity and time required worsen
Solution Approach 1:
The inbred parent lines are developed through repeated self-pollination, where each plant serves its own purpose of producing uniform progeny. This self-service approach simplifies the breeding process by eliminating the need for complex controlled cross-pollination procedures during the inbred development phase, though it does require multiple generations.
3Stability of the object's composition
If traditional breeding methods are used to develop new varieties, then genetic stability is improved, but productivity and time to market worsen
Solution Approach 1:
The patent performs preliminary development of homozygous inbred lines with stable genetics before producing the final hybrid variety. This preliminary action ensures genetic stability in the parent lines, allowing the subsequent hybrid production to be faster and more efficient, as the F1 generation will be uniform and predictable.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH162086. The invention thus relates to the plants, seeds and tissue cultures of the variety CH162086, and to methods for producing a corn plant produced by crossing a corn plant of variety CH162086 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 CH162086.