<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Global warming and soil salinity are major constraints threat speared of Mediterranean endogenous flora, however little is known about the effect of these phenomena on seed germination patterns, particularly in Algeria. Germination test under laboratory controlled conditions had been carried out using seeds of Marrubium vulgare, Sideritis incana and Stachys ocymastrum. Seeds were submitted at temperatures of 5, 10, 15, 20, 25, 30 and 35 °C, after that and within optimum temperatures, various sodium chloride (NaCl) concentrations of 0, 34, 68, 102 and 136 mM were set to evaluated salinity effect. Germination was more satisfactory on temperatures ranged between 15 and 25 °C. Whereas, increased or decreased temperatures from the optimum bring to germination fall. High seed germination capacity had been showed on non-saline solution. While, germination had depressed by enhanced NaCl solution up to 136 Mm in which Final Germination Percentage are either significantly decreased (for S. ocymastrum seeds 18% germination) or absolutely inhibited (for M. vulgare and S. incana seeds), as well Initial Germination Day are delayed. Overall, data showed that germination patterns response varies among species, given that seed germination is remarkably limited by extremes temperatures and salinity.</p></abstract>

Global warming and soil salinity are major constraints threat speared of Mediterranean endogenous flora, however little is known about the effect of these phenomena on seed germination patterns, particularly in Algeria. Germination test under laboratory controlled conditions had been carried out using seeds of Marrubium vulgare, Sideritis incana and Stachys ocymastrum. Seeds were submitted at temperatures of 5, 10, 15, 20, 25, 30 and 35 °C, after that and within optimum temperatures, various sodium chloride (NaCl) concentrations of 0, 34, 68, 102 and 136 mM were set to evaluated salinity effect. Germination was more satisfactory on temperatures ranged between 15 and 25 °C. Whereas, increased or decreased temperatures from the optimum bring to germination fall. High seed germination capacity had been showed on non-saline solution. While, germination had depressed by enhanced NaCl solution up to 136 Mm in which Final Germination Percentage are either significantly decreased (for S. ocymastrum seeds 18% germination) or absolutely inhibited (for M. vulgare and S. incana seeds), as well Initial Germination Day are delayed. Overall, data showed that germination patterns response varies among species, given that seed germination is remarkably limited by extremes temperatures and salinity.

Evaluation of the Tolerance to Temperature and Salinity on Seed Germination of Three Lamiacea from Algerian Scrubland

Advanced Research in Life Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Global warming and soil salinity are major constraints threat speared of Mediterranean endogenous flora, however little is known about the effect of these...

Evaluation of the Tolerance to Temperature and Salinity on Seed Germination of Three Lamiacea from Algerian Scrubland

Publié en ligne: 01 août 2018

Pages: 11 - 15

Accepté: 11 juil. 2018

DOI: https://doi.org/10.1515/arls-2018-0021

Mots clés
Germination, NaCl, Salt stress, Seeds, Temperature

© 2018 Mohammed Dadach, et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Evaluation of the Tolerance to Temperature and Salinity on Seed Germination of Three Lamiacea from Algerian Scrubland

Publié en ligne: 01 août 2018

Pages: 11 - 15

Accepté: 11 juil. 2018

DOI: https://doi.org/10.1515/arls-2018-0021

Mots clésGermination, NaCl, Salt stress, Seeds, Temperature

© 2018 Mohammed Dadach, et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
Germination, NaCl, Salt stress, Seeds, Temperature