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Article

Phenotypic and Molecular Diversity of Wild Populations of Acca sellowiana (Berg.) Burret in the Southern Area of Natural Distribution

by
Mercedes Rivas
1,2,*,
María Puppo
3,
Estela Baccino
1,
Marianella Quezada
1,
Jorge Franco
4 and
Clara Pritsch
1
1
Departamento de Biología Vegetal, Facultad de Agronomía, Universidad de la República, Avda. E. Garzón 780, Montevideo CP 12900, Uruguay
2
Departamento de Sistemas Agrarios y Paisajes Culturales, Centro Universitario Regional del Este, Universidad de la República, Ruta 15 y Ruta 9, Rocha CP 27000, Uruguay
3
Departamento Territorio, Ambiente y Paisaje, Centro Universitario Regional del Este, Universidad de la República, Av. Cachimba del Rey entre Bvar. Artigas y Av. Aparicio Saravia, Maldonado CP 20000, Uruguay
4
Departamento de Biometría, Estadística y Computación, Facultad de Agronomía, Universidad de la República, Avda. E. Garzón 780, Montevideo CP 12900, Uruguay
*
Author to whom correspondence should be addressed.
Horticulturae 2024, 10(4), 360; https://doi.org/10.3390/horticulturae10040360
Submission received: 8 March 2024 / Revised: 25 March 2024 / Accepted: 27 March 2024 / Published: 5 April 2024
(This article belongs to the Special Issue From the Field to the Table: Unearthing Wild Fruit Species for Enhanced Prospecting and Utilization)
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Abstract

Acca sellowiana is a subtropical tree in the myrtle family (Myrtaceae) native to southern Brazil and northeastern Uruguay. It is recognized for its value as a fruit-bearing, ornamental, and medicinal species. Based on distinctive characteristics of fruits, seeds, and leaves, as well as its geographical distribution pattern, two variants of the species are distinguished: the “Brazilian type” and the “Uruguayan type”. The objective of this study was to characterize, for the first time, the diversity of 202 individuals from four wild populations in Uruguay, representative of the species’ most southern natural distribution. Twenty-three morphological descriptors (leaf, flower, and fruit) and 204 RAPD (Random Amplified Polymorphic DNA) markers were used. The morphological data collected validated the main criteria that distinguish “Uruguayan type” populations from “Brazilian type” populations, such as lower seed weight and fruit size, thin and slightly rough skin, high pulp percentage, and hairy white abaxial leaf surfaces. Analyses of both morphological and molecular data indicated wide diversity and strong population structuring, which is relevant information for designing conservation plans, sustainable utilization, and genetic improvement of the plant genetic resources of this species.
Keywords: feijoa; Pampa biome; eastern flora; diversity; Uruguayan type; plant genetic resources feijoa; Pampa biome; eastern flora; diversity; Uruguayan type; plant genetic resources

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MDPI and ACS Style

Rivas, M.; Puppo, M.; Baccino, E.; Quezada, M.; Franco, J.; Pritsch, C. Phenotypic and Molecular Diversity of Wild Populations of Acca sellowiana (Berg.) Burret in the Southern Area of Natural Distribution. Horticulturae 2024, 10, 360. https://doi.org/10.3390/horticulturae10040360

AMA Style

Rivas M, Puppo M, Baccino E, Quezada M, Franco J, Pritsch C. Phenotypic and Molecular Diversity of Wild Populations of Acca sellowiana (Berg.) Burret in the Southern Area of Natural Distribution. Horticulturae. 2024; 10(4):360. https://doi.org/10.3390/horticulturae10040360

Chicago/Turabian Style

Rivas, Mercedes, María Puppo, Estela Baccino, Marianella Quezada, Jorge Franco, and Clara Pritsch. 2024. "Phenotypic and Molecular Diversity of Wild Populations of Acca sellowiana (Berg.) Burret in the Southern Area of Natural Distribution" Horticulturae 10, no. 4: 360. https://doi.org/10.3390/horticulturae10040360

APA Style

Rivas, M., Puppo, M., Baccino, E., Quezada, M., Franco, J., & Pritsch, C. (2024). Phenotypic and Molecular Diversity of Wild Populations of Acca sellowiana (Berg.) Burret in the Southern Area of Natural Distribution. Horticulturae, 10(4), 360. https://doi.org/10.3390/horticulturae10040360

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