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Aphids on cereals

The warm settled weather at the end of June has led to a rise in aphids flying into crop as well as multiplication on the crop itself.

Check crops to see what the aphid status is like, bearing in mind that continued warm sunny weather will benefit aphids.

Two-thirds of the heads of flowering crops need to be infested with aphids to justify an aphicide treatment, with crops reaching milky-ripe (GS73) being beyond any economic benefit from an aphicide.

Contact

Dr Andy Evans
SAC (Scottish Agricultural College) Work SAC, King's Buildings, West Mains Road,
Edinburgh
EH9 3JG

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