“…The damage of RKN to potatoes has been determined in all continents except Antarctica, including the major potato producing countries including China (Mao et al, 2019), India (Singh & Kumar, 2015), the USA (Golden et al, 1980), Germany (Müller et al, 1996), France (Djian-Caporalino, 2012), Holland (Keidel et al, 2007), South Africa (Fourie et al, 2001), and Australia (Nobbs et al, 2001). In potato production, M. arenaria, Meloidogyne enterolobii Yang & Eisenback, 1983, M. incognita and M. javanica and are present in warmer climates, while M. chitwoodi, M. fallax, M. hapla and Meloidogyne minor Karssen et al, 2004 are encountered in relatively colder climates (Nyczepir et al, 1982;Nobbs et al, 2001;Thoden et al, 2012;Onkendi & Moleleki, 2013;Medina et al, 2017). Of these, M. arenaria, M. chitwoodi, M. fallax, M. hapla, M. incognita and M. javanica are significant for potato production (Lima et al, 2018).…”