Pepper Hybrid E 499531 Marker-Assisted Breeding
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Solution Overview
Problem
The development of new pepper cultivars is a time-consuming and unpredictable process due to the complexity of inheritance and the lack of control over genetic traits, requiring extensive research and resources to combine desirable traits such as yield, disease resistance, and agronomic quality.
Innovation Solution
The development of the hybrid pepper cultivar 'E 499531', which combines high yield potential, mild flavor, and resistance to certain diseases, suitable for both covered and open field cultivation, utilizing techniques like recurrent selection, backcrossing, and genetic marker-enhanced selection to stabilize desired traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional pepper breeding methods are used to combine desirable traits, then yield and disease resistance can be improved, but the process becomes time-consuming and unpredictable
Solution Approach 1:
The patent employs marker-assisted selection where DNA markers provide feedback on the genetic composition of breeding plants. This allows breeders to track inheritance of desired traits through generations, making the breeding process more predictable and reducing the time required to develop new cultivars with specific trait combinations.
Solution Approach 2:
The patent replaces traditional phenotypic selection (visual assessment of traits) with genotypic selection using molecular markers. This substitution of the selection mechanism enables earlier and more accurate identification of plants with desired genetic traits, accelerating the breeding process and improving predictability.
2Manufacturing precision
If extensive research and resources are invested to combine desirable traits, then agronomic quality can be improved, but the complexity of the breeding program increases
Solution Approach 1:
The patent segments the complex task of selecting for multiple traits into individual marker-assisted selection steps for each trait. By using specific DNA markers for disease resistance, yield, and other agronomic qualities, the breeding program can systematically track and combine desired traits without overwhelming complexity.
Solution Approach 2:
The patent introduces molecular markers as intermediaries between the genes of interest and the breeder's selection process. These markers serve as detectable proxies for desired traits, enabling precise tracking of trait inheritance without requiring direct observation of complex phenotypic expressions.
Data Source
AI summary
Hybrid pepper cultivar designated ‘E 499531’ which is a Sweetbite type and suitable for covered cultivation and open field, is disclosed. The invention relates to the seeds of hybrid pepper cultivar ‘E 499531’ and to the plants of hybrid pepper cultivar ‘E 499531’. The invention also relates to methods for producing a pepper plant, either inbred or hybrid, by crossing the hybrid cultivar ‘E 499531’ with itself or another pepper cultivar. The invention further relates to methods for producing other pepper cultivars derived from the hybrid ‘E 499531’.