Rock poppy or greater celandine (Chelidonium majus L.) is one of the most significant medicinal plant due to valuable source of the pharmacological unit such as sanguinarine, chelidonine and berberine. Forthermore, the expression level of various genes (CFS, SPS and TNMT) in the benzophenanthridine alkaloids pathway for response to methyl jasmonate and salicylic acid elicitation