Inbred Corn Line Breeding for Yield and Stress Resistance
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Solution Overview
Problem
There is a need for developing stable, high-yielding corn hybrids with superior parental lines that exhibit desirable traits for maximizing ear and kernel production, while also providing resistance to pests, diseases, and tolerance to environmental stresses.
Innovation Solution
The development of a novel inbred corn line, CB18718Y1, which can be used to create hybrid seeds through self-pollination or cross-pollination, and can be genetically modified to incorporate traits such as male sterility, herbicide resistance, insect resistance, disease resistance, and tolerance to water stress, among others, using methods like mutagenesis, TILLING, and genome editing techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional corn breeding methods are used to develop hybrids, then basic yield is achieved, but resistance to pests, diseases, and environmental stresses is insufficient
Solution Approach 1:
The patent combines multiple desirable traits (yield potential, pest resistance, disease resistance, and environmental stress tolerance) into a single inbred corn line CB18718Y1 through systematic breeding and selection processes, creating a unified parental line that integrates these previously separate trait improvements
Solution Approach 2:
The breeding process involves changing genetic parameters through selective crossing and evaluation, modifying the genetic composition of corn lines to achieve optimal combinations of yield and stress resistance traits that exceed conventional breeding outcomes
2Productivity
If existing parental lines are used for hybrid production, then current yield levels are maintained, but ear and kernel production efficiency is suboptimal
Solution Approach 1:
The patent performs preliminary selection and characterization of inbred line CB18718Y1 to establish its superior traits for ear and kernel production before using it in hybrid crosses, ensuring that the parental line is optimized for maximum productivity performance in the resulting hybrids
Solution Approach 2:
The breeding program incorporates systematic evaluation and selection based on performance feedback from previous generations, using data on ear number, kernel rows, and yield to guide selection of superior parental lines and improve hybrid stability over time
Data Source
AI summary
Inbred corn line, designated CB18718Y1, is disclosed. The disclosure relates to the seeds of inbred corn line CB18718Y1, to the plants and plant parts of inbred corn line CB18718Y1 and to methods for producing a corn plant, either inbred or hybrid, by crossing inbred corn line CB18718Y1 with itself or another corn line. The disclosure also relates to products produced from the seeds, plants, or parts thereof, of inbred corn line CB18718Y1 and/or of the hybrids produced using the inbred as a parent. The disclosure further relates to methods for producing a corn plant containing in its genetic material one or more transgenes and to the transgenic plants produced by that method and to methods for producing other corn lines derived from inbred corn line CB18718Y1.