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Thrips

By Gardeners' World on 19/10/2011 12:32:09

produce several symptoms. The leaves turn dull green with silvery-white areas, there's distortion of the shoot tips and the buds may fail to open.There are many different species of thrips, but a biological control in the form of a predatory mite can


Red spider mites

By Gardeners' World on 18/10/2011 15:52:47

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


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