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Thrips

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

be used on houseplants and in greenhouses to attack the western flower thrips. Organic pesticide sprays are available, which are based on plant oils or pyrethrum.Ornamental plants can be sprayed with insecticides containing methiocarb or thiacloprid


Euonymus scale

By Gardeners' World on 18/10/2011 15:06:49

infestations, scrape off the scales by hand and dispose of them. For heavy infestations, prune out those branches that are badly affected. Spray with a plant oil wash in winter.euonymusmid-July, early September, winterMore common garden pestsWhiteflyLeaf miner


Mealybugs

By Gardeners' World on 18/10/2011 15:31:08

on the leaves.Dispose of fallen leaves that might have the bugs or eggs attached. Use the predatory ladybird Cryptolaemus montrouzieri when temperatures rise in summer. Also try spraying plants with fatty acids or plant oils. You may need to do this a few times


Red spider mites

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

persimilis on to your plants. Alternatively, use sprays containing, fatty acids or plant oils.houseplants, greenhouse plants, also outdoors on fuchsias, runner beans, busy lizzies, grape vinesall year roundMore common garden pestsMealybugsScale insectsWhiteflyThrips


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