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Cereal disease update SA 2011

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White grain At harvest in 2010 a number of growers in the north eastern Eyre Peninsula and Far North regions had deliveries of wheat rejected due to white grain... The fungus is likely to remain a concern for the future although severe problems are only likely to occur where wet springs promote infection late in the season... Growers are encouraged to maintain this level of resistance and avoid adopting varieties more susceptible than GladiusA and YitpiA. Yellow leaf spot The wet spring of 2010 will have increased the levels of the yellow leaf spot fungus (Pyrenophora tritici-repentis) in cereal stubbles...