Genetic diversity of root-knot nematode Meloidogyne enterolobii and development of a SCAR marker for this guava-damaging species - Tigano, M; De Siqueira,K; Castagnone-Sereno, P; Mulet, K; Queiroz, P; Dos Santos, M; Teixeira, C; Almeida, M; Silva, J; Carneiro, R