Effect of temperature, salt stress and pH on seed germination of medicinal plant Origanum compactum

The aim of this study was to evaluate the impact of temperature, salt stress and pH on seed germination of a Moroccan medicinal plant Origanum compactum (Benth). Mature seeds were isolated from O. compactum collected from two areas belonging to Ouezzane province at post-flowering stage. The in vitro...

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Bibliographic Details
Published in:Biocatalysis and agricultural biotechnology 2017-04, Vol.10, p.156-160
Main Authors: Laghmouchi, Yousif, Belmehdi, Omar, Bouyahya, Abdelhakim, Skali Senhaji, Nadia, Abrini, Jamal
Format: Article
Language:English
Subjects:
Germination percentage
Origanum compactum
Salt stress
Seeds
Temperature
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Summary:The aim of this study was to evaluate the impact of temperature, salt stress and pH on seed germination of a Moroccan medicinal plant Origanum compactum (Benth). Mature seeds were isolated from O. compactum collected from two areas belonging to Ouezzane province at post-flowering stage. The in vitro seed germination tests were carried out in the dark in Petri dishes using an aqueous media. The influence of temperature, salt stress and pH was evaluated by following the evolution of germination over time. The results showed an optimal temperature of 15°C with a maximal germination percentage of 81%, an optimum pH equal to 7 with 71% as a maximal germination percentage and a negative correlation between NaCl concentration and seed germination. The seed germination was null at high temperature (25°C) and at high NaCl concentration (>7.5g/l) as well as at acid pH (pH
ISSN:1878-8181
1878-8181
DOI:10.1016/j.bcab.2017.03.002