

Your Web search will turn up many good matches regarding Fire Blight. On apples and pears, the disease can kill blossoms, fruit, shoots, twigs, branches and entire trees. The disease is caused by the bacterium Erwinia amylovora, which can infect and cause severe damage to many plants in the rose (Rosaceae) family (Table 1). Use a 10 percent solution of chlorine bleach. Fire blight is a common and very destructive bacterial disease of apples and pears (Figure 1). There is conflicting advice as to whether you should disinfect your pruning tools between cuts, but it certainly won’t hurt to do so. Should your pear tree become infected, prune out the diseased wood by cutting the branch 12 to 18 inches below the visible lesion.
#Fire blight pear full
These sprays should be made while the plants are in full bloom.


Prevention begins with choice of resistant varieties such as Orient, Kieffer and Moonglow.
