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Effects of Methyl Jasmonate on some Physiological and Biochemical Parameters of peppermint (Mentha piperita L.) under Salinity Stress Condition
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Ghasem Akhbarfar   , Parvan Aghdak , Morteza Eskandari , Syrus Ghobadi |
| Isfahan University of Technology |
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Abstract: (144 Views) |
A pot experiment was conducted to study the effects of methyl jasmonate (MJ) in alleviating NaCl-induced salt stress on peppermint plantlets. The experiment was arranged in a factorial experiment based on the completely randomized design with two factors including NaCl concentration (0, 3 and 6 dS/m) and MJ at three levels (0, 0.25 or 0.5 mM). The results showed that salt stress decreased fresh and dry weight, concentration of potassium and K/Na ratio of aerial, RWC, chlorophyll content, total protein and Fv/Fm. Parameters such as ion leakage, sodium concentration of shoot and root, CAT and APX activity, essential oil percentage and antioxidant capacity increased by salinity stress. Application of MJ decreased ion leakage and sodium of aerial, improved fresh and dry weight of aerial, RWC, K/Na ratio, antioxidant capacity and CAT and APX activity. Improved stress indexes in MJ-treated plantlets showed that the application of MJ ameliorated the adverse effects of injury caused by salt stress. |
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| Keywords: Salinity Stress, Peppermint, Methyl Jasmonate, Physiological and Biochemical Parameters |
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Type of Study: Research |
Subject:
Environmental stresses
Received: 2020/09/4 | Accepted: 2024/08/18 | Published: 2025/04/30
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