Title Melatonin application on phytochemical compositions of Agastache foeniculum under water-deficit stress Type of Research Article Keywords Anise hyssop, Essential oil, Melatonin, Water stress Abstract Anise hyssop, Essential oil, Melatonin, Water stress Researchers Hamid Mohammadi (First Researcher)، (Second Researcher)، Saeid Hazrati (Third Researcher)، Ahmad Aghaee (Fourth Researcher)