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www.reference.com/article/diseases-can-pear-trees-873a5f248eed1ece

Pear trees are susceptible to several diseases caused by fungi, viruses and bacteria. The National Gardening Association reports that fire blight is the most devastating to both commercial and home pear trees in the United States. A bacterial infection spread by rain an...

www.reference.com/article/care-pear-trees-9a4ee944b987ba2e

Pear trees need annual pruning and proper fertilization to provide a crop of healthy fruit. The trees also need to be trained into a growth pattern that promotes healthy branch development. You need fertilizer and pruning shears or a small saw to care for a pear tree, a...

www.reference.com/article/pear-tree-fruit-57e6226751441b81

The majority of pear trees will produce fruit within the fourth to sixth year of growth. The rate is based on the tree's age, the type of pear tree, the climate, care provided to the tree and any pests or disease infecting the tree.

www.reference.com/article/symbolism-pear-tree-58d722aea2c97226

In ancient Chinese mythology, the pear tree symbolizes immortal life due to the longevity of the tree. Because the word for pear means both "pear" and "separation" in Chinese, tradition dictates that a pear should not be separated between people to avoid the separation ...

www.reference.com/article/pear-tree-varieties-780d6d2471af4a70

Some pear tree varieties include "Bartlett", "Kieffer" and "Anjou." Bartlett pear trees are average size and produce medium-size pears that turn yellow when ripe. Kieffer trees produce medium-size pears that are ideal for canning. Anjou pear trees produce light-green, s...

www.reference.com/article/causes-black-leaves-pear-trees-c656a0f7a327101e

Insect damage, fungal infections, fire blight or stony pit virus can cause black leaves on pear trees. Frost damage, spider mite or pear psylla infestations, blossom blast, pear scab or sooty mold cause leaves with black tips.

www.reference.com/article/fertilizer-pear-trees-d4b9afd2c43821ae

The best fertilizer for pear trees is a balanced 10-10-10 formula of nutrients. This fertilizer blend is made of equal amounts of nitrogen, phosphate and potassium.