Variabilidade fisiológica de sementes de uma população natural de Hymenaea martiana Hayne na Paraíba

Joyce Naiara da Silva; Guilherme Vinícius Gonçalves de  Pádua; Maria Joelma da Silva; Marília Hortência Batista Silva Rodrigues; Maria Luiza de Souza Medeiros; Caroline Marques Rodrigues; Aline das Graças Souza; Edna Ursulino Alves

doi:10.1590/1983-21252025v3813013rc

Authors

Joyce Naiara da Silva Department of Plant Science, Universidade Federal da Paraíba, Areia, PB, Brazil https://orcid.org/0000-0002-3260-8745
Guilherme Vinícius Gonçalves de Pádua Instituto Federal do Amazonas, Coari, AM, Brazil https://orcid.org/0000-0001-6616-724X
Maria Joelma da Silva Department of Plant Science, Universidade Federal da Paraíba, Areia, PB, Brazil https://orcid.org/0000-0002-9308-0905
Marília Hortência Batista Silva Rodrigues Universidade Federal de Campina Grande, Pombal, PB, Brazil https://orcid.org/0000-0003-3032-7269
Maria Luiza de Souza Medeiros Department of Plant Science, Universidade Federal da Paraíba, Areia, PB, Brazil https://orcid.org/0009-0000-3994-0663
Caroline Marques Rodrigues Department of Plant Science, Universidade Federal da Paraíba, Areia, PB, Brazil https://orcid.org/0000-0002-4721-1871
Aline das Graças Souza Department of Plant Science, Universidade Federal da Paraíba, Areia, PB, Brazil https://orcid.org/0000-0001-8158-5933
Edna Ursulino Alves Department of Plant Science, Universidade Federal da Paraíba, Areia, PB, Brazil https://orcid.org/0000-0002-7709-3204

DOI:

https://doi.org/10.1590/1983-21252025v3813013rc

Keywords:

Jatobá. Mother trees. Physiological quality. Seed vigor.

Abstract

Seed quality is essential for developing conservation, management, and ecological restoration techniques, selecting high-quality seed lots, and understanding the genetic variability of species. Thus, the objective of this study was to evaluate the physiological quality of seeds from 80 mother trees in a natural population of Hymenaea martiana in Areia, Paraíba, Brazil. Seed vigor was assessed based on traits related to emergence and early seedling development. The data were subjected to analysis of variance (ANOVA), with means compared using the Scott-Knott test at a 5% significance level, and complemented by Pearson correlation and Principal Component Analysis (PCA). Mother trees M86, M145, M157, M171, M184, and M187 demonstrated superior performance in emergence traits, while M8, M86, M88, M117, and M152 exhibited greater shoot length. Mother trees M10, M11, M12, M14, M21, M24, M73, and M152 produced seedlings with greater root length, while M187 produced seedlings with higher root dry weight. In PCA, three principal components explained 81.63% of the total data variance, with emergence traits contributing most to PC1, mean emergence time to PC2, and root length and dry weight to PC3. In this context, the evaluated natural population of H. martiana mother trees exhibited variability in seed physiological quality, primarily driven by first emergence count, emergence speed index, and final emergence percentage.

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