Corn Variety I796483 Breeding for Uniform Inbred Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Corn breeding aims to combine desirable traits like yield, disease resistance, and uniformity, but existing methods struggle to develop stable inbred plants with predictable performance, often resulting in non-uniform hybrid populations due to genetic variability.
Innovation Solution
The development of the corn variety I796483, which includes methods for producing inbred plants with specific traits such as male sterility, herbicide tolerance, and disease resistance, using cytoplasmic-male sterility and genetic transformation techniques to ensure uniformity and stability, along with tissue culture regeneration for consistent physiological and morphological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional breeding methods are used to develop inbred plants, then genetic variability is reduced, but uniformity and stability of the inbred population are compromised
Solution Approach 1:
The patent applies preliminary action by developing homozygous inbred lines through multiple generations of self-pollination and selection before creating hybrids. This preliminary inbreeding process ensures that the parent lines are genetically stable and uniform, which then enables predictable and reliable hybrid performance. The inbred lines are thoroughly characterized and tested before use in hybrid development.
2Adaptability or versatility
If cross-pollination is used to create hybrid plants, then genetic diversity is increased, but uniformity of the hybrid population is reduced
Solution Approach 1:
The patent applies local quality by creating hybrid plants that combine specific desirable traits from different inbred parents in a controlled manner. Each hybrid is designed with specific genetic combinations tailored to achieve uniformity in key characteristics while maintaining the genetic diversity benefits of cross-pollination. The breeding program selectively crosses inbreds with complementary traits to achieve uniform hybrid populations.
3Reliability
If extensive breeding programs are implemented to develop superior inbred plants, then desirable traits are combined, but time to crop maturity is extended
Solution Approach 1:
The patent applies preliminary action by pre-developing and characterizing a library of homozygous inbred lines with desirable traits before the need for hybrid development. This preliminary work accumulates genetic material and phenotypic data that can be quickly combined into hybrids when needed, reducing the overall time required to develop new varieties while maintaining the reliability of desirable characteristics.
Data Source
AI summary
According to the invention, there is provided seed and plants of the corn variety designated I796483. The invention thus relates to the plants, seeds and tissue cultures of the variety I796483, and to methods for producing a corn plant produced by crossing a corn plant of variety I796483 with itself or with another corn plant, such as a plant of another variety. The invention further relates to corn seeds and plants produced by crossing plants of variety I796483 with plants of another variety, such as another inbred line. The invention further relates to the inbred and hybrid genetic complements of plants of variety I796483.