The present study was designed to investigate the phytochemical composition and yield of essential oil of L. (Marigoldisa) under NaCl-in-• This research deals with some ways for increasing the salinity tolerance of different plants, including medicinal and ornamental L.What is the expected impact on horticulture?• Organic materials are a key step for good management of salinity as the main problems in the agricultural sector in arid and semiarid regions, actors limiting the growth and development of agricultural production in the world.