Hybrid Corn CH966627 Breeding Segmentation
Find Innovative SolutionsGenerate Solutions
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 CH966627, 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 homozygous inbred lines through self-pollination to ensure genetic uniformity, then crossing these standardized lines to introduce diversity. This segmentation allows control over when genetic mixing occurs, resolving the contradiction between uniformity and diversity.
Solution Approach 2:
Homozygous inbred parent lines are developed and standardized before the hybridization step. This preliminary establishment of uniform parental stocks ensures that when cross-pollination occurs, the resulting hybrids have predictable and uniform performance, eliminating genetic unpredictability while maintaining diversity benefits.
2Stability of the object's composition
If self-pollination is used to develop inbred lines, then genetic uniformity is improved, but genetic diversity and adaptability deteriorate
Solution Approach 1:
Self-pollination is used as a preliminary step to establish homozygous inbred lines with uniform genetics. This uniformity is then used as a foundation for subsequent cross-pollination, which reintroduces genetic diversity in a controlled manner to create adaptable hybrids.
Solution Approach 2:
Homozygous inbred lines serve as intermediary stages in the breeding process. They are genetically uniform products of self-pollination that act as standardized parents for cross-pollination, enabling controlled introduction of diversity while maintaining predictability in the final hybrid generation.
3Adaptability or versatility
If traditional breeding methods are used, then broad genetic base is improved, but breeding time and complexity increase
Solution Approach 1:
Homozygous inbred lines are developed in advance and maintained as standardized genetic resources. These pre-developed lines with broad genetic bases can be crossed directly to produce hybrids, eliminating the need for time-consuming selection and stabilization steps for each new cross.
Solution Approach 2:
The breeding approach changes from developing each hybrid independently to using a library of standardized inbred lines. This parameter change in the breeding system allows rapid combination of diverse genetic bases through simple crosses, dramatically reducing breeding time while maintaining broad genetic foundations.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH966627. The invention thus relates to the plants, seeds and tissue cultures of the variety CH966627, and to methods for producing a corn plant produced by crossing a corn plant of variety CH966627 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 CH966627.