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Basic Preventive Measures to Avoid Pear Tree Diseases

Gardening Guide: Picture Perfect Pear Guide: All You Need to Know About Growing, Harvesting, Cooking, and Eating Delicious Pears

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Basic Preventive Measures to Avoid Pear Tree Diseases

By Norann Oleson

Sick pear tree.

Sick pear tree.

Try some of these techniques for avoiding pear disease or damage in the first place:

Prune judiciously

Over-pruning your pear trees can create new opportunities for terminal shoot growth, and with it new fungal or pest problems.

Keep nitrogen to a minimum

You can have too much of a good thing. Giving your pear trees too much nitrogen can spur excess growth—which in turn can invite pests and/or draw growing energy to developing leaves instead of new fruit.

Build a barrier

For young saplings and trees that draw too much attention from local wildlife, consider putting tree guards, a hardware cloth cage, or even fencing around your trees to keep the tender leaves and growing fruit safe.

Plant disease-resistant pear varieties

Many pear varieties have been developed specifically to resist pear diseases—including fire blight, the worst of them all. When you choose your pear trees, be sure to ask about disease-resistant varieties.

Water well, but not too much

Your pear trees need about an inch of water every week to 10 days. Don’t kill your trees with kindness; too much water can lead to waterlogged roots, weakening the tree and its defenses against fungal or insect infestation.

Destroy infected plants

You may be tempted to compost infected fruit, leaves, or branches. Or you may decide to leave the infected vegetation in a pile in your back yard over the winter. Don’t do it. The best way to get rid of infected plant material is to throw it away. Even if you can burn in your area, do so cautiously; spores can easily travel through the air, landing in someone else’s garden.

Have you had problems with diseases attacking your pear trees? What types of problems do you regularly face with your pear trees? Please tell us how you treat and prevent diseases from destroying your pear crop.

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TABLE OF CONTENTS

  • Curator’s Corner
  • Introduction
  • Featured Articles

  • Types of Pear Trees
  • Ornamental Nuisances: Flowering Pear Trees
  • Picking the Right Size Pear Tree
  • Training and Pruning your Pear Trees
  • Pairing Up For Pear Pollination
  • Pear Trees by Size and Form
  • A Word About Planning Your Pear Use
  • Choosing to Grow Pears from Seeds or Seedlings
  • Growing Pears in Open Land, in Containers, or in Raised Beds
  • Starting with the Right Soil for Your Pear Trees
  • The Right Sunlight for Your Pears
  • Should You Fertilize Your Pear Trees?
  • How—and When—to Water Your Pear Trees
  • Picking the Perfect Pear
  • How to Spot, Treat, and Prevent Pear Diseases and Pest Infestations
  • Post-Harvest Pear Crop Infections
  • Pear Pests
  • Basic Preventive Measures to Avoid Pear Tree Diseases
  • Essential Tools and Equipment for Growing and Enjoying Pears
  • Plant Profiles

  • Shinseiki Pear: Pyrus pyrifolia “Shinseiki” (Asian Pear)
  • Nijisseiki Pear: Pyrus pyrifolia “Nijisseiki” (Asian Pear)
  • Hosui Pear: Pyrus pyrifolia “Hosui” (Asian Pear)
  • Chojuro Pear: Pyrus pyrifolia “Chojuro” (Asian Pear)
  • Red Sensation Pear: Pyrus communis “Red Sensation” (European Pear)
  • Red Clapp’s Favorite Pear: Pyrus communis “Red Clapp’s Favorite” (European Pear)
  • Orient Pear: Pyrus communis “Orient” (European Pear)
  • Moonglow Pear: Pyrus communis “Moonglow” (European Pear)
  • Kieffer Pear: Pyrus communis “Kieffer” (European Pear)
  • Harrow Sweet Pear: Pyrus communis “Harrow Sweet” (European Pear)
  • Comice Pear: Pyrus communis “Comice” (European Pear)
  • Bosc Pear: Pyrus communis “Bosc” (European Pear)
  • Bartlett Pear: Pyrus communis “Bartlett” (European Pear)
  • Anjou Pear: Pyrus communis “Anjou” (European Pear)
  • Recipes

  • Chocolate Pear Cake
  • Fruit Leather
  • Pear Jam
  • Vanilla Poached Pears with Chocolate Sauce
  • Spiced Poached Pears
  • Pear Crisp
  • Additional Articles

  • Nutrition Facts about Pears
  • Health Benefits of Pears
  • Resources about Pears
  • Pear Glossary
  • Related Articles

  • Picture Perfect Pear Guide—All You Need to Know About Growing, Harvesting, Cooking, and Eating Delicious Pears

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