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Resistance finding prompts net blotch warning

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Growers are urged to carefully plan fungicide management strategies for net blotch in barley crops this season, following the discovery of a population of the disease resistant to commonly used fungicides... Curtin University researchers have discovered a barley net-type net blotch (NTNB) population from Western Australia resistant to the triazole (DMI) fungicide tebuconazole, as well as some other types of triazole fungicides... Dr Lopez-Ruiz said that if a second treatment was required, growers should then use fungicides with a different mode of action such as a prothioconazole, cyproconazole, propiconazole or epoxiconazole product that is registered for NTNB in barley...
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