Effect of salinity on germination capacity of laurel (Laurus nobilis L.)

In Tunisia, more precisely in semi-arid and arid areas, drought accentuated by the superficial evaporation of water leads to a gradual increase salinity, which is limiting factor crop production. these highly salty ecosystems, some plants grow naturally; however, various species show different levels tolerance salinity during their development. The germination seeds most sensitive stage this abiotic stress. effect severe stress little known among Laurel (Laurus nobilis L.), native natural vegetation Mediterranean region, well for its medicinal, aromatic, forestry, ornamental culinary properties, rare habitat, often subject overexploitation or threatened with risk extinction Tunisia. objective work study effects concentrations NaCl irrigation on behavior laurus L. experiment was carried out Tunis, experimental design entirely randomized four treatments: 0, 50, 100, 150 mM five replications 80 seeds, each treatments. Salt caused negative laurel especially highest salt (150 NaCl).