and cultured as described above. Each
treatment was performed by inoculating three fruits with an
isolate. Noncolonized PDA discs and mycelial discs of a saprophytic
fungus Alternaria alternata Keissler, a strain isolated from a ‘Suli’
pear previously showing no virulence for pear, were also inoculated
to three wounded and three unwounded fruits and incubated in
parallel as controls. The symptoms that developed were visually
compared and photographed.