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Chemical control (Green apple aphid)

Control of infestations in shoots in summer A spray of an approved insecticide should be applied as soon as damaging infestations are detected (see ‘ monitoring ’). Many insecticides are approved for control of aphids on apple but if aphids are the only …

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Cultural control (Green apple aphid)

There are few specific cultural controls for green apple aphid. Natural enemies should be encouraged by avoiding the use of broad-spectrum insecticides and by providing flowering plants in and around the orchard. Artificial refuges can be provided for …

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Natural enemies (Green apple aphid)

Predatory insects and spiders A wide range of predatory insects, including  anthocorid, mirid and nabid bugs, ladybird adults and larvae, hoverfly, predatory midge and lacewing larvae and spiders feed on green apple aphid. However, the black ant, Lasius …

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Further reading - Green apple aphid

Barbagallo, S., Cravedi, P, Passqualini, E, Patti, I, & Stroyan, H. L. G. 1997. Aphids on the principal fruit bearing crops. Bayer, Milan.123pp Minks, A. K. & Harrewijn, P. 1987. Aphids, their biology, natural enemies and control. World Crop Pests, …

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Green apple aphid - additional information

Life cycle Pest status Other hosts Varietal susceptibility Distribution Damage Recognition Monitoring Forecasting Chemical control Cultural control Natural enemies Biological control Further reading …

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Green apple aphid (Aphis pomi Degeer)

Green apple aphid is a common but minor pest of apple, which also attacks pear. It is most important on young trees.  As the name implies it is bright green in colour and readily distinguished from other aphid pests of apple. The life cycle starts when …

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Rainfall measurement (Rot risk assessment)

The most significant factor influencing rotting in stored fruit is rainfall. Rainfall varies considerably from place to place and is most influenced by height. Summer rainfall is particularly localised. Therefore, to get an accurate assessment of rot risk …

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Stuart Knight

Responsibilities Stuart is a research agronomist with more than 30 years’ experience in applied crops research, combinable crop trials and field experimentation, knowledge exchange, and providing technical advice to farmers and agronomists. He has broad …

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