Hybrid Corn CH413124 Breeding via Segmentation and Preliminary Action
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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 in cross-pollinated plants, requiring the development of stable inbred plants and specific breeding methods.
Innovation Solution
The development of the hybrid corn variety CH413124, which includes genetic loci for traits like male sterility, herbicide resistance, and disease resistance, using cytoplasmic-male sterility and genetic transformation techniques to introduce desired traits, and tissue culture methods for regenerating plants with consistent physiological and morphological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used to develop corn hybrids, then genetic diversity and trait combination are improved, but genetic uniformity and predictability deteriorate
Solution Approach 1:
The breeding process is segmented into distinct phases: first developing uniform inbred parental lines through self-pollination, then crossing them to produce hybrid progeny. This segmentation allows genetic diversity to be introduced only at the crossing stage while maintaining uniformity in the parental lines and predictable uniformity in the F1 hybrid generation.
Solution Approach 2:
Inbred parental lines are developed and stabilized through multiple generations of self-pollination and selection before the crossing event. This preliminary action ensures that the parental lines are genetically uniform and true-breeding, which guarantees uniformity in the resulting hybrid progeny while still allowing for genetic diversity through the combination of different inbred lines.
2Stability of the object's composition
If self-pollination is used to develop inbred lines, then genetic uniformity is improved, but time to achieve stable varieties increases
Solution Approach 1:
Self-pollination is utilized as a natural biological process of the corn plant to achieve homozygosity and genetic uniformity in inbred lines. The plant's own pollen fertilizes its own ovules, eliminating the need for manual intervention and reducing labor time while maintaining genetic uniformity through natural selfing over multiple generations.
3Reliability
If traditional breeding methods are used, then variety development is achieved, but productivity and yield improvement are limited
Solution Approach 1:
The hybrid corn variety combines genetic material from two distinct inbred parental lines, creating a composite genetic structure that exhibits heterosis (hybrid vigor). This composite approach allows the accumulation of complementary genes from both parents, resulting in improved productivity, yield, and performance while maintaining the stability and uniformity characteristic of inbred-based breeding.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH413124. The invention thus relates to the plants, seeds and tissue cultures of the variety CH413124, and to methods for producing a corn plant produced by crossing a corn plant of variety CH413124 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 CH413124.