EFFECT OF WATER EXTRACT OF POMEGRANATE PEELS IN THE GROWTH AND PATHOGENIC PYTHIUM SP. IN THE LABORATORY AND SOIL MEDIUM

Abstract

The results showed a test of three concentrations pomegranate peels extract 2, 4 and 8% inhibition of Pythium sp. That the concentration of 2% achieved the highest effect inhibiting the fungus growth of 0.63 mm compared with the control treatment 3.3 mm in PDA medium after 6 days at 25 ° C, the experiment of pH in the effectiveness of the water extract for pomegranate peels in the inhibition growth of Pythium sp. in the PDA medium, there were significant differences between pH (4.5, 6.5, 7.5) with growth rates of 0.1400, 0.2367, 0.2300 g respectively terms of dry weight measured after 6 days at 25 ° C in a shaking incubator. The results of the tannic acid experiment showed that the concentration of 8% achieved the highest inhibition of fungus growth Pythium sp. at 1.03 mm compared with the control treatment of 2.8 mm after 6 days. The results of treatment of soil contaminated with Pythium sp. and water extract for pomegranate peels at a concentration 2% showed an increase in germination rates of tomatoes seeds and emergence 70% compared with the control treatment of non-contaminated soil with fungus (43%)