The grease band treatment helps if it is wrapped securely around the trunk in September but it is also wise to apply a systemic insecticide in spring at the first sign of woolly aphid
THE crab apple tree, like the other three, is probably 30 years old and I would have replaced it anyway, woolly aphids
It's a bug-eat-bug world out there - and that's a good thing if you're near an ash tree whose tender young leaves are being devoured by pesky white flies and woolly aphids
It acts by contact and systemic action against whitefly, greenfly, blackfly, mealy aphid and woolly aphid
, as well as vine weevil and lily beetle.
causes a waxy wool to appear on branches and trunks under which colonies of aphids live, causing corky galls which in turn leave cracks and allow infection of canker spores, which seem to be very prevalent this year.
She also asks about woolly aphid
on her Christmas cactus which failed to flower this year.
PIPPA SAYS: It sounds as if it's been hit by woolly aphid
it's the dreaded woolly aphid
making a home for itself.
does little direct harm to the apple - although it may cause some distortion - but the pests suck sap, sometimes creating holes that allow infections such as apple canker to enter.
A IT SOUNDS like woolly aphid
a common pest of fruit trees.
Any late infestations of the fluffy, white woolly aphid
can also be treated now.
At the moment we are busy trying to complete all the fruit tree pruning before the middle of February, so we can apply a winter wash spray to help control any pests and diseases - woolly aphids
we have on some of our apple trees are especially troublesome.
may be visible on apple and pear trees as a white, fluffy coating.
A ADRIENNE SAYS: The problem is caused by woolly aphids
, which cover themselves in a protective cotton wool-like coating.
Root aphids, wingless yellowish-white insects, cluster around the roots or crown of the plant, particularly autumn and winter lettuces, while woolly aphids
can be identified by their white waxy secretion, which looks like a white mould.