Inbred Pepper Line PPL1501 Trait Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current pepper breeding methods face challenges in developing varieties with desirable traits such as disease resistance, nutritional quality, and environmental stress tolerance, often masked by confounding plant traits and environmental factors, requiring precise breeding techniques and extensive testing.
Innovation Solution
The development of the inbred pepper line PPL1501, which can be used in crosses with other pepper plants to produce hybrid seeds and plants with superior characteristics, and the application of methods like backcrossing, mutation breeding, and genetic engineering to introduce specific traits like herbicide tolerance, disease resistance, and enhanced nutritional quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional pepper breeding methods are used, then variety development can proceed through traditional crossing and selection, but desirable traits such as disease resistance and nutritional quality remain masked by confounding plant traits and environmental factors
Solution Approach 1:
The patent segments the breeding process into distinct phases: developing inbred lines with specific desirable traits, then using those inbred lines as parents in controlled crosses. This segmentation allows traits to be developed and fixed in separate lines before combination, avoiding the masking problem of conventional simultaneous breeding.
Solution Approach 2:
The patent applies preliminary action by first developing and stabilizing desirable traits (disease resistance, nutritional quality) in inbred lines through multiple generations of selfing and selection before using those lines in crossing programs. This preliminary development ensures traits are not masked during subsequent hybridization.
2Measurement precision
If extensive testing is conducted to evaluate desirable traits, then trait accuracy improves, but breeding time and resource requirements increase significantly
Solution Approach 1:
Extensive testing and trait evaluation are performed preliminarily during the inbred line development phase (multiple generations of selfing and selection). Once inbred lines are established with confirmed desirable traits, the crossing and subsequent evaluation requires less time because the traits are already fixed and predictable.
Solution Approach 2:
The patent uses inbred lines as stable, replicable genetic copies that consistently express desirable traits. Once a desirable trait is established in an inbred line, it can be copied across multiple hybrid combinations without requiring re-testing of the same trait expression, reducing overall breeding time.
3Reliability
If inbred pepper line PPL1501 is used as a parent in crosses, then hybrid seeds and plants with superior characteristics are produced, but the complexity of managing inbred line breeding increases
Solution Approach 1:
The inbred line PPL1501 is developed to be self-service in the sense that it consistently produces uniform progeny when selfed or crossed, providing reliable hybrid performance without requiring complex management interventions. The inbred nature ensures genetic uniformity that simplifies hybrid production management.
Solution Approach 2:
The patent changes the genetic parameter state by developing completely inbred lines (high homozygosity) from heterogeneous populations. This parameter change from heterozygous to homozygous state creates stable, predictable parents that simplify hybrid management while ensuring consistent superior performance in F1 hybrids.
Data Source
AI summary
One embodiment relates to seed and plants of inbred pepper line PPL1501. Another embodiment relates to the plants, seeds and tissue cultures of inbred pepper line PPL1501, and to methods for producing a pepper plant produced by crossing such plants with themselves, with another pepper plant, such as a plant of another genotype, or with vegetatively propagating said plant. Another embodiment further relates to seeds and plants produced by such crossing. Further embodiments relate to parts of such plants, including the fruit and gametes of such plants.