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Wheat varieties at Newark Innovation Centre receive their T0

Innovation Centres
08.04.2016
North
Yellow Rust at Newark IC
Yellow Rust at Newark IC

Yellow rust forms pustules in lines giving it a stripy appearance on the leaf. Crops that are sown early are at greater risk, as fungal spores spread from the previous year’s affected crops and from volunteers in late summer. Warmer winters with few frosts are conducive conditions for high rust pressure in spring as the disease overwinters more readily, resulting in higher infection in the spring. Cool, damp conditions encourage the development of the yellow rust, which we have been experiencing recently.

It is important to keep on top of yellow rust as severe infections can result in up to 50% yield loss (AHDB, 2016), ideally it is best to remain in a protectant situation. Wheat crops along the western coast of the UK are at greater threat, however, rusts will be found across the region. Some varieties have greater resistance than others, so it is advised that varieties with good scores on the recommended list are favoured, particularly in the higher risk locations.

A T0 fungicide application of CHEROKEE (chlorothalonil, cyproconazole and propiconazole) was applied on the 07th April 2016 with the crop at growth stage 30. Cherokee is a particularly strong product when there are rust pressures as triazoles continue to be very active.

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