عنوان مقاله [English]
root Knot nematodes (Meloidogyne spp.) are important pathogenic agents in soil, which, due to the wide range of hosts, can cause economic damage in most farms and gardens, depending on the population size and degree of sensitivity of the host . Pomegranate is one of the most sensitive plants to different species of this nematode. Its symptoms are reduced to growth, general weakness, leaf yellowing, leaf loss, gradual drying of the branch With the root knot. Management of this disease is A)Prevention: Sanitation (weed control, removal of host trees infected by this nematode in the margins of gardens, including berry trees, one of the important hosts of this nematode, enclosing gardens to prevent the transmission of infection by animal or human and disinfection of the floor of the shoe or agricultural implements), no cultivating of cucurbits plants in the orchards, Soil testing before seedling transfer, taking care of healthy gardens by annual test for soil and roots, Provide healthy seedlings for new gardens, using resistant varieties (if possible), and using a drip irrigation system. B)Control: Annual plowing of infected gardens, removal of host weeds, soil solarization, raising soil organic matter and nutrition of trees.