Pathogenicity test of selected Diaporthe isolates on citrus plants after 30 d. A. Shoot blight of lime plants inoculated with D. novem (CPC 26188). B–C. Cankers with gummosis of lemon plants caused by D. limonicola and D. melitensis (CPC 28200, CPC 27873). D–E. Internal discoloration of mandarin twigs inoculated respectively with D. melitensis and D. baccae (CPC 27873, CPC 26170). F. Internal lesion of orange branch caused by D. foeniculina (CPC 28081).