Fruit : GYO Pears
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Pear tree woes
Our pear tree produced fruit fine for a couple of years but, in the last few years, it blossoms normally but then the leaves turn as per the picture attached and the fruit it produces is withered. Is it lacking a nutrient or is there something else afoot?
Chris109, Clonmel, Co Tipperary Posted: 20/01/2017
This is damage caused by pear leaf blister mite, a tiny mite that feeds in large numbers on the leaves, and can weaken trees, although the trees usually produce some fruit.
There is no spray available to home gardeners, but you might try 15 ml of vegetable oil with 5ml of liquid soap per litre of water, applied in late April, under and over the leaves. Test it on some branches first because different varieties might react differently, and reduce the soap if necessary.