Effect of methyl jasmonate on Germination index, proline and peroxidaze enzyme activity at fennel (Foeniculum vulgare Mill) under NaCl stress

Document Type : Research Paper


1 MSc student, Department of Horticultural Science, Shiraz Branch, Islamic Azad University, Shiraz, Iran

2 Assistant Professor, Department of Horticultural Science, Shiraz Branch, Islamic Azad University, Shiraz, Iran

3 Expert, Agricultural Organization of Fars Province, Shiraz, Iran


This study was carried outfennel (Foeniculum vulgare Mill) under NaCl stress, seed germination with Methyl jasmonate priming. a factorial experiment  at CRD design with three replications in 2014-2015 at the Faculty of Agriculture, Islamic Azad University of Shiraz. the factor A:includes Methyl jasmonate(MeJa) at three levels (0, 500 and 1000 mg/l) and factor (B): sodium chloride(NaCl) at 4 levels (0, 2.5, 5 and 7.5 dS/m). The characteristics such as Rate and percentage of germination, proline content and peroxidase. The results indicated that concentration of 1000 mg/l of MeJa led to increased germination under Control (100 %). Priming of Fennel seeds at 500 and 1000 mg/l of MeJa increase the germination rate were in Control. 1000 mg/l of MeJa led to the largest concentration of proline content in moderate NaCl stress conditions (5 dS/m) and severe (7.5 dS/m) is observed. Based on the results obtained from the interaction between priming and different concentrations of NaCl was found that priming of fennel seeds by 500 mg/l of MeJa increase peroxidase activity at 7.5 dS/m of NaCl. Finally, the results showed that Priming of fennel seeds by MeJa improve seed index, proline and peroxidaze enzyme activity at NaCl stress.


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