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stem rust risk

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Catalogue: NVT Online Papers
Regional outbreaks are more common, causing losses over limited areas... Stem rust typically causes losses of 10-50 per cent, but this can increase to up to 90 per cent when it occurs in early spring and is not controlled... Stem rust requires living plants on which to grow and reproduce, so to infect crops during the season it must survive over summer by infecting volunteer cereals or grass hosts, known as the 'green bridge'...
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