Inbred Corn Line 3EESL0003 Breeding for Yield and Stress Resistance
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Solution Overview
Problem
The development of new inbred corn plants is a slow and costly process that requires expertise, and existing inbred corn lines lose commercial competitiveness over time, necessitating the creation of improved germplasm to enhance yield production and provide cost-effective control against insects, weeds, and diseases.
Innovation Solution
The introduction of the inbred corn line 3EESL0003, which is a new yellow dent inbred corn seed and plant with specific physiological and morphological characteristics, along with methods for producing and treating seeds to increase resistance to stressed conditions, and the use of breeding techniques such as pedigree breeding, backcrossing, haploid breeding, and mutation breeding to develop novel corn plants with desirable traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional inbreeding techniques are used to develop new inbred corn lines, then new germplasm with desirable traits can be obtained, but the process is slow and costly
Solution Approach 1:
The patent applies preliminary action by pre-establishing a comprehensive set of molecular markers across the corn genome before breeding operations. This marker framework is prepared in advance to enable rapid genotyping and selection during the breeding process, eliminating the need for time-consuming phenotypic evaluation and accelerating the development of new inbred lines while maintaining precision in selecting desirable traits
2Productivity
If existing inbred corn lines are used, then commercial production can continue, but they lose commercial competitiveness over time
Solution Approach 1:
The patent implements feedback by using molecular marker data to continuously monitor and evaluate the genetic composition and performance potential of inbred lines throughout the breeding process. This feedback mechanism allows breeders to identify lines with superior yield potential and competitiveness traits early on, making informed decisions about which lines to advance and combine, thereby maintaining and improving commercial competitiveness over time through data-driven selection
3Ease of manufacture
If inbred corn lines are developed without molecular markers, then breeding can proceed with simple methods, but precision in selecting desirable traits is reduced
Solution Approach 1:
The patent replaces mechanical/phenotypic selection methods with molecular marker-based genotypic selection. Instead of relying on time-consuming and imprecise phenotypic evaluation of traits in the field, the invention uses DNA marker analysis to directly assess the genetic makeup of breeding lines, enabling precise identification and selection of desirable traits at the molecular level while streamlining the breeding process
4Object-affected harmful factors
If corn plants are not treated to increase stress resistance, then production costs are lower, but control against insects, weeds, and diseases is insufficient
Solution Approach 1:
The patent applies parameter changes by modifying the genetic composition of corn plants through selective breeding based on molecular markers. This genetic modification enhances intrinsic resistance parameters of the plants to insects, weeds, and diseases, providing durable protection without requiring complex external treatment systems or multiple chemical applications, thereby controlling harmful factors through improved plant genetics rather than external interventions
Data Source
AI summary
An inbred corn line, designated 3EESL0003, the plants and seeds of the inbred corn line 3EESL0003, methods for producing a corn plant, either inbred or hybrid, produced by crossing the inbred corn line 3EESL0003 with itself or with another corn plant, and hybrid corn seeds and plants produced by crossing the inbred line 3EESL0003 with another corn line or plant and to methods for producing a corn plant containing in its genetic material one or more transgenes and to the transgenic corn plants produced by that method. This invention also relates to inbred corn lines derived from inbred corn line 3EESL0003, to methods for producing other inbred corn lines derived from inbred corn line 3EESL0003 and to the inbred corn lines derived by the use of those methods.