Title Substitution of Silver Thiosulphate (STS) with some essential oils on vase life of cut carnation CV. Liberty Type JournalPaper Keywords carnation , essential oil, vase life , Cupressus arizonica, Membrane stability Index(MSI) Abstract Due to huge side-effects of chemicals; essential oil have been considered as suitable alternative Researchers Asghar Ebrahimzadeh (First Researcher), Lamia Vojodi Mehrabani (Fifth Researcher), Mohammad Ali Aazami (Fourth Researcher), (Third Researcher), Mohammad Bagher Hassanpouraghdam (Second Researcher)