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Root-knot nematodes are considered one of the most destructive and difficult crop pests to be controlled. It cause economic losses for tomatoes and different vegetable crops in Egypt. There are several methods to manage the root-knot nematodes (Meloidogyne spp),the most important methods are by using synthetic nematicides, microorganisms,biopesticides, botanical pesticides and soil amendments which have been used as an attempt to protect the tomato plants. Biopesticides, botanical pesticide and microorganisms are being a new tools which proved to be an important and alternative in the course...

The effects of cadmium chloride concentrations (25, 50, 75 and 100 mg/kg soil), low doses of gamma irradiation (15, 30, 45 and 60 Gy), potassium chloride (60 mg/kg soil) and the combination between cadmium + gamma and cadmium + potassium on Brassica rapa germination, growth, pigmentation, primary and secondary metabolites and antioxidative potential were investigated under laboratory and greenhouse conditions. Germination percentage and the growth of the plant root and shoot decreased progressively by increasing cadmium chloride concentrations. Gamma irradiation and potassium treatment...