After each cut, sanitize your tools in a 10/90 solution of bleach/water. If your pear shows signs of fire blight, cut away any branches exhibiting symptoms 8 to 12 inches (20-31 cm.) below the canker, leaving only healthy wood. The most effective method for treating disease in pears is the sanitation and removal of all affected parts of the tree. Be on the lookout for sick looking pear trees, especially during wet spells, as most types of pear tree diseases appear and spread during periods of rain and high humidity. Sooty blotch appears as black smudges on the skin of the fruit. Outbreaks occur once in early summer and again in midsummer. Pear scab manifests itself as soft black/green lesions on the fruit, leaves, and twigs that turn gray and crack with age. The area around the canker takes on a blackened or burned appearance, hence the name.įabraea leaf spot, leaf blight, and black spot are all names for a spread of brown and black spots that form on the leaves late in the summer and cause them to drop. It appears as cankers that leak out a creamy ooze on any or all parts of the tree, blossoms, and fruit. Of these, fire blight is the worst, as it can spread very rapidly. There are a few very common and easily identifiable diseases of pears. Keep reading to learn more about pear tree diseases and treatment. Unfortunately, that sweetness comes at a price, as pear trees are susceptible to quite a few easily spread diseases that can wipe them right out if left untreated. If you have a pear tree, you know just how sweet and satisfying they can be.
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