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AHDB launches new aphid tool for better BYDV control

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The AHDB has launched a new tool to help you reduce the impact of Barley yellow dwarf virus (BYDV) in winter wheat and winter barley. The AHDB says the new tool is based on decades of aphid biology science, virus epidemiology studies and computer modelling and considers many more risk factors than the T-sum temperature tool. It also puts crop economics at its heart so that growers can make informed sowing-date and risk-based spray decisions According to the AHDB’s Sacha White, the new tool is powered by a model trained on the bird cherry-oat aphid, which is now known to be the…