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Spraying Pear Trees

A proper and consistent spray schedule is important to the survival of your fruit tree. From diseases to pests, many potential issues can be prevented with spraying before they even begin! To reap its benefits, spraying should be done consistently and thoroughly following the guidelines below.

NOTE: This is part 9 in a series of 11 articles. For a complete background on how to grow pear trees, we recommend starting from the beginning.

Before you begin, read and follow all instructions on labels.

General Maintenance

Spray every 7 to 10 days or after rain with Bonide® Citrus, Fruit & Nut Orchard Spray as a protective spray for fungal diseases. May be used up to day before harvest.

Natural Control

  • Serenade® Garden Disease Control can be used for black rot, leaf spot, scab, leaf blight and more.

When To Spray

Dormancy (late winter/early spring before bud break)

  • Bonide® All-Seasons® Horticultural & Dormant Spray Oil for scale insects, mites, psylla (adults) and leafrollers.
  • Bonide® Borer-Miner Killer (dormant through delayed dormant time) for pear psylla.
  • Bonide® Total Pest Control for pear psylla.

During New Growth

  • Ferti-lome® Fire Blight Spray (not for West Coast) for controlling fire blight.

After Flowering, After Petal Drop (Avoid spraying during full bloom stage to allow bees to pollinate.).

At the First Sign of:

  • Bonide® Copper Fungicide Spray or Dust for leaf blights and scab.
  • Bonide® Insecticidal Soap for scale, plant bugs, aphids, tent caterpillars, mites, leafhoppers, psylla and thrips.
  • Bonide® Captain Jack’s™ Deadbug Brew for leafrollers and codling moth (not for use on large trees).
  • Bonide® Total Pest Control for green fruitworm, tent caterpillars, and codling moth.
  • Bonide® Citrus, Fruit & Nut Orchard Spray for scale, plant bugs, scab, aphids, caterpillars, mites, leafhoppers, psylla and thrips.
  • Bonide® Borer-Miner Killer for codling moth, green fruitworm and aphids.
  • Bonide® Thuricide® Bacillus Thuringiensis (BT) for leafrollers, tent caterpillar and gypsy moth.
  • GardenTech® Sevin® Concentrate Bug Killer for scale, leafrollers, aphids and mites (not for use on large trees).
  • Bayer Advanced™ Complete Insect Killer for scale, plant bugs, leafrollers, pear psylla, aphids, green fruitworms, plum curculio, mites, Janpanese beetles, leafhoppers, codling moth and rose chafer (not for use on large trees).
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