Fig. 2From: Determination of virulence and genetic variability of three Spodoptera littoralis nucleopolyhedrovirus isolates from EgyptPhylogenetic inference of relationships among isolates of NPV based on polyhedrin nucleotide sequence alignments. The evolutionary history was inferred using the neighbor-joining method. The SpliNPV isolates Cab2, P2 and P3 are indicated by black asterisksBack to article page