[ effect of methanol and manganese sulfate spraying on quantity and essential oil components of [Melissa officinalis L.]]

ABSTRACT

Background: Lemon balm [Melissa officinalis] is one of the most valuable species of Labiateae family. In order to optimize producing secondary metabolisms in balm, the study was conducted to examine producing of dried material and medicinal substances by using methanol and MgSO4 spraying