COMPARISON OF DIFFERENT METHODS IN THE EFFECT OF VOLATILE OIL OF ZATARIA MULTIFLORA ON HERBAL PATHOGENIC FUNGI

What nowadays cause the development of organic farming is the long-term effects of various types of chemical fertilizers and pesticides in agricultural products and on the environment. Therefore, the management of plant diseases using natural herbal products is an important strategy in this direction that is always considered by agriculture sciences researchers. In this research, the antifungal effect of Zataria multiflora was studied for the purpose of optimal use of herbal products in 4 techniques. In all the methods used in this study by increasing the concentration of volatile oil to 1000 ppm, the longitudinal growth was reduced and mutually the growth inhibitory ratio was increased. However, at concentration of 50,150 and 450 ppm of the volatile oil after 48 hours, the highest inhibitory percentage was observed in Food Poison Technique method with 20, 53 and 68.5, then the highest percentage of inhibition in the aforementioned concentrations was visible in surface Technique, volatile Technique, and disc Technique, respectively. Keywords: Growth control techniques, Growth inhibitory percent, Volatile oil, Plant disease control