Variability in germplasm of sponge gourd by morphological and molecular descriptors

Authors

  • Laura Raissa Fagundes Costa Bezerra Postgraduate Program in Phytopathology, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0002-2621-2699
  • Lindomar Maria da Silveira Department of Agricultural and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0001-9719-7417
  • Ioná Santos Araújo Holanda Department of Agricultural and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0002-2530-986X
  • Glauber Henrique de Sousa Nunes Department of Agricultural and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0002-7189-2283
  • Edicleide Macedo da Silva Department of Agricultural and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0002-3196-6516
  • Antônio César de Araújo Filho Postgraduate Program in Soil and Water Management, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0009-0003-0142-9546
  • Joao Everthon da Silva Ribeiro Department of Agricultural and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0002-1937-0066
  • Aurélio Paes Barros Júnior Department of Agricultural and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0002-6983-8245

DOI:

https://doi.org/10.1590/1983-21252025v3812743rc

Keywords:

Luffa cylindrica (L.) Roem. Genetics. Breeding. Potentialities.

Abstract

Luffa cylindrica, known as sponge gourd, stands out for its potential for use in several cosmetic, domestic and aircraft upholstery segments stands out. However, each segment requires specificity, so that genetic variability of the species can become a limiting factor in its exploitation. Thus, this study aimed to morphologically characterize 13 accessions and molecularly characterize 24 accessions of sponge gourd belonging to the Cucurbit Germplasm Collection of the Center for Agricultural Sciences of the Federal Rural University of the Semi-Arid Region. A field experiment was installed.. At ripening,  were evaluated for 15 descriptors. For molecular characterization, ISSR primers were used. The data obtained with the morphological and molecular characterization separated the accessions into different cluster configurations, denoting wide genetic variability. Considering the morphological descriptors, the medial circumference of the fruit (26.7%) had the most significant contribution to the divergence found. Accessions A12, A19, A23 and A24 are indicated for the dermo-cosmetic sector, while accessions A19 and A23 are the most indicated for the vegetable sponge market since light fibers with soft texture are indicated for the cosmetic and cleaning sector. For the molecular data, 103 bands were amplified, 80% polymorphic, and the polymorphic information content showed an average of 0.28, classifying them as moderately informative. The accessions were considered distinct, which indicates that the cucurbit germplasm collection contains loofah genotypes with significant genetic diversity.

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Published

06-02-2025

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Section

Scientific Article