Hybrid Corn CH759587 Breeding Segmentation
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Solution Overview
Problem
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, requiring the development of stable inbred plants and specific breeding methods.
Innovation Solution
The development of the hybrid corn variety CH759587, which includes genetic loci for traits like male sterility, herbicide resistance, and disease resistance, and utilizes cytoplasmically-inherited traits and genetic transformation techniques to introduce desired characteristics, along with a method for producing hybrid seeds by crossing specific parent plants to prevent self-pollination and ensure cross-pollination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used to develop corn hybrids, then genetic diversity and desirable traits can be combined, but genetic non-uniformity and unpredictability occur in the resulting hybrid population
Solution Approach 1:
The breeding process is segmented into distinct phases: first developing homozygous inbred parent lines through self-pollination, then crossing these standardized parents to produce uniform hybrid progeny. This segmentation ensures genetic stability in the parent lines while achieving desired diversity in the hybrid combination.
Solution Approach 2:
Homozygous inbred parent plants are developed and standardized before the hybrid crossing step. This preliminary action of creating genetically uniform parents through multiple generations of self-pollination ensures that the subsequent hybrid cross produces predictable and uniform results.
2Stability of the object's composition
If self-pollination is used to develop inbred plants, then genetic uniformity and stability are achieved, but time and generations required for breeding increase
Solution Approach 1:
Self-pollination is utilized to enable plants to fertilize themselves, automatically producing homozygous inbred progeny without requiring manual intervention for each pollination event. This self-service mechanism accelerates the development of uniform parent lines compared to manual cross-pollination methods.
3Productivity
If male sterility is introduced to prevent self-pollination, then cross-pollination efficiency is improved, but additional genetic loci and complexity are required
Solution Approach 1:
The male fertility function is extracted or removed through the introduction of male sterility loci in the parent plants. This extraction prevents self-pollination and ensures that only cross-pollination occurs, thereby improving cross-pollination efficiency while managing genetic complexity through targeted genetic modifications.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH759587. The invention thus relates to the plants, seeds and tissue cultures of the variety CH759587, and to methods for producing a corn plant produced by crossing a corn plant of variety CH759587 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 CH759587.