Apple Tree Pests. Problems with
Pests of Apple Trees and how to cure.
A pest is different
disease! Apple tree pests are living insects, whereas disease of
apple trees are normally fungus types. At one time - in the UK - it
was possible to use a winter tar wash on trees, and this killed the
overwintering apple tree pests for the following growing season. Tar
oil wash has now been banned, though it is still possible to get
other types of winter wash treatment for apple tree pests.
It is absolutely essential that you identify firstly whether it
is a pest or disease causing problems, and then apply the correct
Generally, there are only two or three pests that
cause problems when growing apple or other top fruit trees - mainly worms or maggots in the apple fruit!
The main thing, is to get the adult pest, before
it lays its eggs, which then become maggots!
Codling Moth Larvae is probably the worst offender,
but can be - and should be - controlled by several different means. The
Codling Moth larvae - maggot - is the normal 'worm' found inside apple
Treatment of Codling Moths. The main problem with Codling Moth, is that
it can have three generations in a year! Each generation needs treatment!
Apple Maggot Flies
are not a problem in the UK.
The problem visualises with ripe fruit, where the maggot is found inside.
Typical identification, is the 'railway track' tunnels it leaves in the fruit on
its way to the centre of the apple.
wasp in the image is having a meal with fallen fruit. Generally wasps are only
attracted to ripe fruit as far as apples are concerned. Plums are another
Fruit Slugworms. These are little slug-like pests of
apple trees and can be dealt with
Spider Mites. Not too much of a problem, and is normally identified with
white speck damage on the upper surface of the apple leaf. The Red Spider mite
is under the leaf, sucking away and causing the damage that you first see.
Sometimes, you will also see some of the leaves being deformed with a fine web.
Scale Insects are an occasional pest in home grown
apple trees. Slow to take hold, but difficult to see unless actually looking for
it! It is a small brown, scale-like insect on the bark of the apple tree.
Usually on younger growth.
Aphids - Greenfly and Blackfly - also Woolly Aphid!
Quick to take hold, but relatively easy to deal with. Woolly
Aphids in particular need special attention, for they can cause Apple canker
by damaging the stem tissue. Blackfly and
Winter Wash for control
Apple Maggot - Also known as the railroad worm because of
the tracks it leaves in your apples, the Apple Maggot causes pitting and
dimpling in your fruit. Trap adult flies on red sticky balls by hanging them in
your tree after petal fall. Another way to reduce apple maggots is to promptly
remove any fallen fruit.
Brown Leaves and Spots
on Apple Tree Leaves |