Lesions resulting from inoculation of Celoporthe guangdongensis and Cytospora rhizophorae on to Sonneratia apetala branches and wound response on the negative controls; negative control (a), Celoporthe guangdongensis (b), Cytospora rhizophorae (c). Line 1, inoculated on to incised wound; line 2, inoculated on to scald wounds.