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Fire blight pear
Fire blight pear






fire blight pear

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.

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These sprays should be made while the plants are in full bloom.

  • Apply a copper-based fungicide at the same time that you are applying an antibiotic spray (Agristrep) to stop the bacterial invasion.
  • Planting pear trees Plant your trees as soon as the soil can be worked in the spring or from mid-to-late September into fall.
  • Avoid high-nitrogen fertilizers for the same reason. Height - 15 - 18 feet Pear pollination requirements Pears are mostly self-sterile and require a pollenizer.
  • It is far more susceptible to infection by the bacterium.
  • Avoid severe pruning that would stimulate vigorous vegetative regrowth.
  • fire blight pear fire blight pear

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








    Fire blight pear