Effect of water stress on the growth and antioxidant enzymes activities of pistachio mycorrhiza seedlings (Pistacia vera L.)

Abiotic environmental stress is an important factor in the limitation of plant growth and production. At the same time, environmental stresses such as drought and salinity become more widespread globally. One of the resistance mechanisms against the stress is symbiosis with soil microorganisms, including arbuscular mycorrhizal. In order to evaluate the effect of water stress on the growth and antioxidant enzymes activities of Pistachio mycorrhiza seedlings (Pistacia vera L.) inoculated seedlings with mycorrhizal fungi with Funneliformis mosseae produced. In this study the vases irrigated for two years to complete establishment seedling for (three time in weeks), then drought stress was imposed in during nine days. After measuring growth factors, the effect of the fungus growth factors such as stem length stem diameter, branch length, branch diameter and leaf area index was statistically significant different in mycorrhizal seedlings ( P