THE presence of fire-blight of pear, an extremely destructive bacterial disease caused by Erwinia amylovora (Burrill) Winslow et al., has recently been confirmed in England. This represents the ...

Apple trees are commonly affected by fire blight, apple scab, fruit rots, rusts, and powdery mildew. Fire blight is a common problem in pears. Stone fruits are affected by peach leaf curl, bacterial ...