FIELD EVALUATION OF PRUNUS SPECIES FOR SUSCEPTIBILITY TO ERWINIA AMYLOVORA BY ARTIFICIAL INOCULATION
Following earlier observations on natural incidence of shoot blight caused by Erwinia amylovora in some Japanese plum (Prunus salicina) varieties, susceptibility of young shoots and immature fruits of different Prunus species to this pathogen was evaluated by artificial inoculation under field conditions. The results showed varying degrees of susceptibility of different species and varieties. In general, young shoots of Japanese plums and apricots (P. armeniaca) showed the most susceptibility. Immature fruits of apricots, Japanese plums, and some varieties of prunes (P. domestica) and sweet cherries (P. avium) were the most susceptible. Blossoms of the two Japanese plum varieties inoculated with E. amylovora developed water-soaked, brown, necrotic lesions and abscised.
Mohan, S.K., Bijman, V.P. and Fallahi, E. (2002). FIELD EVALUATION OF PRUNUS SPECIES FOR SUSCEPTIBILITY TO ERWINIA AMYLOVORA BY ARTIFICIAL INOCULATION. Acta Hortic. 590, 377-380
Fire blight, bacterial disease, stone fruits