Zamani,M , , Moradi,H , , Chalavi,V , and Kazemitabar,S K . "Effect of Salicylic Asid and Methyle Jasmonat Elicitors on Hypericin production in stJohn’s wort (Hypericum perforatum L.) cv. Topas Callus culture", Iranian Journal of Horticultural Science, 49, 4, 2019, 915-923. doi: 10.22059/ijhs.2017.227429.1182