Phenotypic Divergence among Sweet Pepper Landraces Assessed by Agro-Morphological Characterization as a Biodiversity Source

Traditional vegetable varieties constitute an important reservoir of biodiversity, so recovering, cultivating, and correctly classifying these landraces is part of key global heritage for the future of food security. In this study, 17 traditional pepper varieties from the Valencian Community (Spain)...

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Main Authors: Eva Martínez-Ispizua, Ángeles Calatayud, José Ignacio Marsal, Rubén Mateos-Fernández, María José Díez, Salvador Soler, José Vicente Valcárcel, Mary-Rus Martínez-Cuenca
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/12/3/632
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author Eva Martínez-Ispizua
Ángeles Calatayud
José Ignacio Marsal
Rubén Mateos-Fernández
María José Díez
Salvador Soler
José Vicente Valcárcel
Mary-Rus Martínez-Cuenca
author_facet Eva Martínez-Ispizua
Ángeles Calatayud
José Ignacio Marsal
Rubén Mateos-Fernández
María José Díez
Salvador Soler
José Vicente Valcárcel
Mary-Rus Martínez-Cuenca
author_sort Eva Martínez-Ispizua
collection DOAJ
description Traditional vegetable varieties constitute an important reservoir of biodiversity, so recovering, cultivating, and correctly classifying these landraces is part of key global heritage for the future of food security. In this study, 17 traditional pepper varieties from the Valencian Community (Spain) were characterized using 14 quantitative and 30 qualitative conventional morphological descriptors, including plant, flower, and fruit traits, in two ripening stages: green and red. As a result, landraces were grouped based mainly on their fruit morphology (G1: thin and elongated; G2: thick and robust; P-49: ball pepper). During a second trial, the preservation of the described characteristics was checked, and the number of fruit produced per plant was determined. From the acquired information, the most desirable traits that could be of interest for cultivation and harvesting practices were established, including erect growth habit, dense branching, big leaves, and uniformity and low persistence of fruit. Additionally, based mainly on fruit size and fruit wall thickness traits, the varieties with the highest potential to be marketed as fresh, P-37 (from G2), P-41, and P-72 (from G1), were determined. The ungrouped P-49 variety is an optimal candidate for industry processes because of its small size and robust fruit wall. The importance of phenotyping studies for preserving plant varieties is emphasized.
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spelling doaj.art-0bf85617d16e4f5087c8ea738342e0132023-11-30T20:44:20ZengMDPI AGAgronomy2073-43952022-03-0112363210.3390/agronomy12030632Phenotypic Divergence among Sweet Pepper Landraces Assessed by Agro-Morphological Characterization as a Biodiversity SourceEva Martínez-Ispizua0Ángeles Calatayud1José Ignacio Marsal2Rubén Mateos-Fernández3María José Díez4Salvador Soler5José Vicente Valcárcel6Mary-Rus Martínez-Cuenca7Valencian Institute for Agricultural Research (IVIA), CV-315, Km 10.7, 46113 Moncada, SpainValencian Institute for Agricultural Research (IVIA), CV-315, Km 10.7, 46113 Moncada, SpainValencian Institute for Agricultural Research (IVIA), CV-315, Km 10.7, 46113 Moncada, SpainPlants Genomics and Biotechnology Department, Institute for Plant Molecular and Cell Biology (IBMCP), 46022 Valencia, SpainValencian Institute for the Conservation and Improvement of Agrobiodiversity (COMAV), Polytechnic University of Valencia, Camino de Vera s/n, 46022 Valencia, SpainValencian Institute for the Conservation and Improvement of Agrobiodiversity (COMAV), Polytechnic University of Valencia, Camino de Vera s/n, 46022 Valencia, SpainValencian Institute for the Conservation and Improvement of Agrobiodiversity (COMAV), Polytechnic University of Valencia, Camino de Vera s/n, 46022 Valencia, SpainValencian Institute for Agricultural Research (IVIA), CV-315, Km 10.7, 46113 Moncada, SpainTraditional vegetable varieties constitute an important reservoir of biodiversity, so recovering, cultivating, and correctly classifying these landraces is part of key global heritage for the future of food security. In this study, 17 traditional pepper varieties from the Valencian Community (Spain) were characterized using 14 quantitative and 30 qualitative conventional morphological descriptors, including plant, flower, and fruit traits, in two ripening stages: green and red. As a result, landraces were grouped based mainly on their fruit morphology (G1: thin and elongated; G2: thick and robust; P-49: ball pepper). During a second trial, the preservation of the described characteristics was checked, and the number of fruit produced per plant was determined. From the acquired information, the most desirable traits that could be of interest for cultivation and harvesting practices were established, including erect growth habit, dense branching, big leaves, and uniformity and low persistence of fruit. Additionally, based mainly on fruit size and fruit wall thickness traits, the varieties with the highest potential to be marketed as fresh, P-37 (from G2), P-41, and P-72 (from G1), were determined. The ungrouped P-49 variety is an optimal candidate for industry processes because of its small size and robust fruit wall. The importance of phenotyping studies for preserving plant varieties is emphasized.https://www.mdpi.com/2073-4395/12/3/632biodiversitylandracematurity stagephenotypepeppertrait
spellingShingle Eva Martínez-Ispizua
Ángeles Calatayud
José Ignacio Marsal
Rubén Mateos-Fernández
María José Díez
Salvador Soler
José Vicente Valcárcel
Mary-Rus Martínez-Cuenca
Phenotypic Divergence among Sweet Pepper Landraces Assessed by Agro-Morphological Characterization as a Biodiversity Source
Agronomy
biodiversity
landrace
maturity stage
phenotype
pepper
trait
title Phenotypic Divergence among Sweet Pepper Landraces Assessed by Agro-Morphological Characterization as a Biodiversity Source
title_full Phenotypic Divergence among Sweet Pepper Landraces Assessed by Agro-Morphological Characterization as a Biodiversity Source
title_fullStr Phenotypic Divergence among Sweet Pepper Landraces Assessed by Agro-Morphological Characterization as a Biodiversity Source
title_full_unstemmed Phenotypic Divergence among Sweet Pepper Landraces Assessed by Agro-Morphological Characterization as a Biodiversity Source
title_short Phenotypic Divergence among Sweet Pepper Landraces Assessed by Agro-Morphological Characterization as a Biodiversity Source
title_sort phenotypic divergence among sweet pepper landraces assessed by agro morphological characterization as a biodiversity source
topic biodiversity
landrace
maturity stage
phenotype
pepper
trait
url https://www.mdpi.com/2073-4395/12/3/632
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