Evaluation of the influence of salinity on germination, development and diversity of endophytic microorganisms of the leguminous Mucuna aterrima

Authors

  • Alan Passos Cruz Fundação Comunitária de Ensino Superior de Itabira - FUNCESI
  • Giovanna Moura Calazans Universidade Federal de Minas Gerais
  • Juni Cordeiro Fundação Comunitária de Ensino Superior de Itabira - FUNCESI
  • Pablo Lopes Quintão Fundação Comunitária de Ensino Superior de Itabira - FUNCESI

DOI:

https://doi.org/10.17648/rsd-v7i2.266

Keywords:

Green adubation; Saline soils; Recovery of degraded soils; Microorganisms in saline stressed plants.

Abstract

The use of legumes is a method for the recovery of soil fertility, since in addition to providing organic matter also fixes nitrogen to the soil. Therefore, relevant research on the legume capacity for use in saline soils has been shown to assist the recovery of these legumes. Thus, the objective of this work was to evaluate the influence of salinity on germination, development and isolation of endophytic microorganisms of the black mucuna legume (Mucuna aterrima). The experiment was carried out in a completely randomized design (5x3) with five treatments (0.0, 0.025, 0.05, 0.1, 0.2 mol NaCl/L) and three replications. The percentage of germination, the dry mass of the root, stem and leaves were analyzed and counted bacteria and endophytic fungi. As a result, there was a reduction in the percentage of the germination rate with the increase in salinity. Although no interference was observed in the richness of microorganisms, bacterial resistance to salinity was verified. Thus, this study indicates that black mucuna is not indicated for planting in soils with saline concentrations higher than 0.1 mol NaCl/L, because this concentration presents toxicity to the plant and does not favor its germination.

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Published

19/02/2018

How to Cite

CRUZ, A. P.; CALAZANS, G. M.; CORDEIRO, J.; QUINTÃO, P. L. Evaluation of the influence of salinity on germination, development and diversity of endophytic microorganisms of the leguminous Mucuna aterrima. Research, Society and Development, [S. l.], v. 7, n. 2, p. e1272193, 2018. DOI: 10.17648/rsd-v7i2.266. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/266. Acesso em: 22 nov. 2024.

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Vol. 7 No. 2

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