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Paper Information

Journal:   IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS   march-april 2018 , Volume 34 , Number 1 (87) ; Page(s) 131 To 143.

A study on variations of essential oil yield and composition of Hyssopus officinalis L. affected by foliar application of zinc, iron and manganese

* Department of Agriculture, Payame Noor University, Tehran, Iran
In order to study the effects of iron, zinc and manganese sulfate on essential oil percentage, yield and composition in hyssop (Hyssopus officinalis L. ), an experiment was conducted as randomized complete block design with three replications during 2016. Experimental treatments consisted of control, foliar application of iron, zinc, manganese, iron+zinc, iron+manganese, zinc+manganese and iron+zinc+ manganese. Results showed that foliar application of microelements had significant effects on all traits studied except cis-pinocamphone. Foliar application of iron + zinc + manganese treatment produced the maximum essential oil percentage (0. 6%) and essential oil yield (30. 44 Kgha-1). Foliar application of iron + zinc + manganese treatment increased essential oil percentage up to 50% compared to the control treatment. β-pinene, trance-pinocamphone, pinocarvone and cis-pinocamphone formed 75 to 90% of the oil components. Foliar application of iron + zinc + manganese and control treatments produced the highest (89. 4%) and the lowest (77. 1%) values of total β-pinene, trance-pinocamphone, pinocarvone and cis-pinocamphone, respectively. Therefore, results showed that the foliar application of Zn+ Fe+ Mn could be used as a suitable management strategy to reach the optimum essential oil yield and composition in hyssop.
Keyword(s): Essential oil components,secondary metabolites,medicinal plants,pinocamphone
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