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or scabs on the leaves of flowering shoots or on fruit. Splits may develop on young shoots. Foliage may fall prematurely from trees.Rake up fallen leaves at the end of the growing season and dispose of them - don't add them to your compost heap. Liaise

The adult codling moths lay their eggs on or near developing fruit. These eggs hatch into small white caterpillars, which eat their way into the fruit and feed inside while it's developing. The caterpillars may be found inside the fruit at harvest

the emerging aphids. Don't wait for the symptoms to appear, as there's no point in spraying once the leaves have become puckered.blackcurrants, redcurrants, whitecurrants early to mid-winter, springCommon garden pests affecting fruit treesWolly aphids on apple

, loganberries, other fruitsummerMore common problems affecting fruit trees and bushesAphidsBrown rotAntsPowdery mildew

These tiny, sap-sucking pests may be only 0.5mm long but they can wreak havoc in a greenhouse or on houseplants indoors. For most of the year they are a pale green colour with two dark spots on their back; it's only in autumn and winter that they turn orange-red. They thrive in h...

When apple trees are in flower, the sawfly, Hoplocampa testudinea, lays its eggs in the developing fruit. In June, the larvae tunnel their way under the skin of the fruit and into the core, causing the apples to fall. When they're ready, they tunnel

by hand any affected leaves and shoots. pearsspring to autumnMore advice on growing pearsTreating apple and pear scabPreventing pear wasp damageDealing with codling moth on fruit treesMonty's favourite fruit varieties

the problem long-term but deals with the aphids in the short-term.Spray the tree with thiacloprid the moment you spot any aphids. Small numbers are far more easily tackled than large, rapidly multiplying infestations.apples, crab apples, cotoneaster, hawthorn

.tomatoessummerMore problems affecting tomatoesTomato leaf mouldTomato splittingTomato frost damageBlossom end rot

green beetles and their and fat, black grubs.Mint is a prolific plant, so there's no need to control the beetles. If you're worried, you could try growing pennyroyal, Mentha pulegium as a sacrificial crop, or simply remove beetles and larvae by hand