ArticlePloS one2016
Genetic Diversity, Population Structure, and Heritability of Fruit Traits in Capsicum annuum.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 62 citations in OpenAlex.
- Digitalised phenotyping of pepper (Capsicum spp.) using effective RGB imaging and optimised camera positioning.Scientific reports · 2026Article
- Unravelling the genetics of heat-responsive fruit traits in pepper [Capsicum annuum L.] via GWAS under subtropical climates.BMC plant biology · 2026Article
- Genome-wide association analysis and linkage mapping decipher the genetic control of primary metabolites and quality traits in Capsicum.The Plant journal : for cell and molecular biology · 2025Article
- Guiding chili variety selection for Zao chili in Guizhou: Based on a systematic study of sensory, physicochemical, and volatile characteristics.Food chemistry: X · 2025Article
- Phenotypic simulation for fruit-related traits in FMolecular genetics and genomics : MGG · 2025Article
- Genome-Wide Identification and Characterization of SNPs and InDels ofPlants (Basel, Switzerland) · 2024Article
- Interdisciplinary insights into the cultural and chronological context of chili pepper (Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Identification of CaPCR1, an OFP gene likely involved in pointed versus concave fruit tip regulation in pepper (Capsicum annuum L.) using recombinant inbred lines.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Form and contour: breeding and genetics of organ shape from wild relatives to modern vegetable crops.Frontiers in plant science · 2023Review
- Tracing Back the History of Pepper (Plants (Basel, Switzerland) · 2022Article
- Genome-wide association study of the candidate genes for grape berry shape-related traits.BMC plant biology · 2022Article
- Chile Pepper (Frontiers in plant science · 2022Review
- Article
- Mutation Associated with Orange Fruit Color Increases Concentrations of β-Carotene in a Sweet Pepper Variety (Foods (Basel, Switzerland) · 2021Article
- Phytochemical Assessment of Native Ecuadorian Peppers (Plants (Basel, Switzerland) · 2020Article
- Genomic Selection for Prediction of Fruit-Related Traits in Pepper (Frontiers in plant science · 2020Article
- Genetic diversity and structure ofHereditas · 2019Article
- Genome-wide genotyping of a novel Mexican Chile Pepper collection illuminates the history of landrace differentiation afterEvolutionary applications · 2019Article
- Large Scale Phenotyping Provides Insight into the Diversity of Vegetative and Reproductive Organs in a Wide Collection of Wild and Domesticated Peppers (Plants (Basel, Switzerland) · 2018Article
- Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cultivated pepper (Capsicum annuum) is a phenotypically diverse species grown throughout the world. Wild and landrace peppers are typically small-fruited and pungent, but contain many important traits such as insect and disease resistance. Cultivated peppers vary dramatically in size, shape, pungency, and color, and often lack resistance traits. Fruit characteristics (e.g. shape and pericarp thickness) are major determinants for cultivar selection, and their association with disease susceptibility can reduce breeding efficacy. This study evaluated a diverse collection of peppers for mature fruit phenotypic traits, correlation among fruit traits and Phytophthora fruit rot resistance, genetic diversity, population structure, and trait broad sense heritability. Significant differences within all fruit phenotype categories were detected among pepper lines. Fruit from Europe had the thickest pericarp, and fruit from Ecuador had the thinnest. For fruit shape index, fruit from Africa had the highest index, while fruit from Europe had the lowest. Five genetic clusters were detected in the pepper population and were significantly associated with fruit thickness, end shape, and fruit shape index. The genetic differentiation between clusters ranged from little to very great differentiation when grouped by the predefined categories. Broad sense heritability for fruit traits ranged from 0.56 (shoulder height) to 0.98 (pericarp thickness). When correlations among fruit phenotypes and fruit disease were evaluated, fruit shape index was negatively correlated with pericarp thickness, and positively correlated with fruit perimeter. Pepper fruit pericarp, perimeter, and width had a slight positive correlation with Phytophthora fruit rot, whereas fruit shape index had a slight negative correlation.
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