Nematodes are very diverse and could be free-living or plant parasite species. Amongst the existing categories, most aggressive ones root lesion nematode (Pratylenchus spp.), root-knot (Meloidogyne cyst (Globodera spp.). These categories affect over 2000 susceptible crop species causing varying yield losses, reaching 100% under heavy infestations in potatoes. The common hosts include tomato (So...