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Controlling woolly aphids on apple trees
My Bramley apple tree has a heavy infestation of woolly aphids. Over the years I have tried controlling them by painting with meths, spraying with Brussels approved winter wash mixture, spraying with thiacloprid solution (Provado Ultimate Bug Killer), both ready to use spray and concentrate, all without success. Has anyone any suggestions? Has anyone tried dilute Jeyes fluid and if so at what dilution and did it work?
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Depends how big it is really, squishing them works for me, rub them off with a finger. Otherwise a spray, provado bug killer, a stiff brush will work, however a good cold winter will reduce numbers. You can take the organic approach and buy some lacewing/ ladybird larvae. They hide in crevices in the wood over winter so winter sprays are ineffective, it's best to go for them in spring when they emerge, so a combination of the above should reduce numbers.