Hybrid Corn CH079809 Breeding Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current 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 CH079809, which includes genetic loci for traits like male sterility, herbicide resistance, and disease resistance, utilizing cytoplasmically-inherited traits and transgenes integrated through genetic transformation techniques, along with tissue cultures capable of regenerating plants with specific 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 using controlled cross-pollination only for hybrid production. This segmentation allows genetic diversity to be introduced only at the hybridization stage while maintaining uniformity in the parental stock.
Solution Approach 2:
Inbred parental lines are developed and stabilized through multiple generations of self-pollination before being used for hybrid production. This preliminary action ensures that the parental lines are genetically uniform, which then enables predictable hybrid performance when cross-pollination occurs.
2Stability of the object's composition
If self-pollination is used to develop inbred lines, then genetic uniformity is improved, but genetic diversity deteriorates
Solution Approach 1:
Self-pollination is used as a preliminary action to develop and stabilize inbred parental lines with high genetic uniformity. These uniform parental lines are then used as the basis for subsequent cross-pollination to generate genetically diverse hybrids.
Solution Approach 2:
The breeding program segments the population into uniform inbred parental lines and diverse hybrid progeny. Self-pollination maintains uniformity within parental lines, while cross-pollination between different parental lines generates diversity in the hybrid generation.
3Adaptability or versatility
If multiple breeding methods are used to combine desirable traits, then trait variety is improved, but breeding complexity and time required deteriorate
Solution Approach 1:
The patent employs multiple pollination methods (self-pollination for inbred development, cross-pollination for hybrid production) within a single integrated breeding program. This multi-functional approach allows the system to achieve both genetic uniformity and diversity while managing complexity through standardized procedures.
Solution Approach 2:
Desirable traits are incorporated into inbred parental lines through preliminary breeding steps including self-pollination and selection. Once parental lines are established with desired traits, the breeding process becomes more straightforward, reducing overall complexity and time requirements.
Data Source
AI summary
According to the invention, there is provided seed and plants of the hybrid corn variety designated CH079809. The invention thus relates to the plants, seeds and tissue cultures of the variety CH079809, and to methods for producing a corn plant produced by crossing a corn plant of variety CH079809 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 CH079809.