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The growing threat of BYDV in 2021

Aphids are BYDV vectors and controlling aphid spread in cereals is important and on this week’s Tillage Edge podcast, Dr Louise McNamara, from Oak Park, joined Michael Hennessy to discuss aphids and the threat of BYDV for Autumn 2021.

The first step towards controlling aphid spread is to delay the date of planting which reduces the length of time the crop is exposed to high aphid numbers.

Louise explained that aphids flying into crops will result in a primary infection, however the progeny of these aphids can often be more damaging to crops but this is dependent on plenty of mild weather through the winter.

Louise added that research tells us that earlier sown crops will need to receive an aphicide at the two to three leaf stage and again in early November.   

For more episodes and information from the Tillage Edge podcast go to: www.teagasc.ie/the-tillage-edge-podcast

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