76889

Pear leaf blister mite

A table displaying which months are best to sow, plant and harvest.
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Time to act

Do not Time to act in January

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Do Time to act in May

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Do Time to act in September

Do Time to act in October

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Do not Time to act in December

The problem looks worse than it is. Miniscule mites secrete chemicals that cause blistering or blotches on the new leaves, which gradually turn blackish-brown. Although the mites breed prolifically, producing several generations over summer, the productivity of the tree isn’t usually affected.

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Symptoms

Miniscule gall mites live in the foliage of pear trees. In spring, they secrete chemicals that cause blotches to appear on new foliage. These eventually turn black and the leaf dies, usually in late summer.

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pears

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Organic

Remove by hand any affected leaves and shoots.