Responses of radish (Raphanus sativus L. var. Saxa) to salt stress during early vegetative development

Chemia Naissensis Volume 8, No.1 (2025) (str. 9-16) 

AUTOR(I) / AUTHOR(S): Svetlana M. Tošić , Dragana D. Stojičić , Tamara N. Trajković and Milica M. Pavlović

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DOI: https://doi.org/10.46793/ChemN8.1.09T

SAŽETAK / ABSTRACT:

Increased soil salinity is a threat to plant growth and development. Plant species, including different genotypes within the same species, vary in their tolerance to stress. By monitoring quantitative morphological growth parameters under stress conditions, insight can be gained into plant stress resistance. In this context, the present study examined the effects of two types of salts, NaCl and K₂SO₄, at concentrations ranging from 0.025 M to 0.25 M, on the germination and early vegetative development of radish (Raphanus sativus, variety Saxa). Results showed that the highest biomass yield was recorded in plants grown under non-stress conditions, indicating optimal growth. In contrast, the lowest biomass was observed under severe sodium salt stress (0.2 M NaCl), although the smallest seedlings were found under strong potassium salt stress (0.15 M K₂SO₄). Notably, plant growth appeared more sensitive to salt-induced stress than seed germination. Under the highest stress intensity for both salts, germination was completely inhibited.

KLJUČNE REČI / KEYWORDS:

salt stress, Raphanus sativus, germination, seedling growth

PROJEKAT/ ACKNOWLEDGEMENT:

This work was supported by the Ministry of Science, Technological Development and Innovation of the Republic of Serbia, contract No. 451-03-137/2025-03/ 200124 and No. 451-03-136/2025- 03/ 200124.

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