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fungicide resistance

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Catalogue: GRDC Updates (West)
Mention of a trade name or company in this publication does not imply endorsement of any product or company by the Department of Agriculture and Food, Western Australia... Overall, 60-70 per cent of flour is used in traditional flat breads, 20-25 per cent of flour is used in western style breads and 5-10 per cent is used in cakes and biscuits... In summary, canola varieties sown 2-3 weeks earlier than normal (early to mid April) can be grazed in winter prior to bud elongation (usually providing 600-800 dse grazing days/ha) and recover with no impact on yield or oil...
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Catalogue: GRDC Media
Resistance finding puts spotlight on barley fungicide tactics for 2015.. NTNB samples that are showing resistance to triazole fungicides at the CCDM centre came from WA and growers and advisers across all of the State's rainfall zones are urged to watch closely for signs of resistance this season... Further research is needed to better determine the extent of this new issue...
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Catalogue: GRDC Media
Resistance finding puts spotlight on barley fungicide tactics for 2015.. NTNB samples that are showing resistance to triazole fungicides at the CCDM centre came from WA and growers and advisers across all of the State's rainfall zones are urged to watch closely for signs of resistance this season... Further research is needed to better determine the extent of this new issue...
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Catalogue: GRDC Factsheets
The best means for controlling powdery mildew is by avoiding more susceptible wheat and barley varieties... if powdery mildew is allowed to develop in crops, there is a serious risk of fungicide resistance developing as well as loss of resistance in current and future varieties... Spraying needs to be done early with full rates of fungicide...
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Catalogue: GRDC Factsheets
The best means for controlling powdery mildew is by avoiding more susceptible wheat and barley varieties... if powdery mildew is allowed to develop in crops, there is a serious risk of fungicide resistance developing as well as loss of resistance in current and future varieties... Spraying needs to be done early with full rates of fungicide...
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Catalogue: GRDC Factsheets
The best means for controlling powdery mildew is by avoiding more susceptible wheat and barley varieties... if powdery mildew is allowed to develop in crops, there is a serious risk of fungicide resistance developing as well as loss of resistance in current and future varieties... Spraying needs to be done early with full rates of fungicide...
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Catalogue: GRDC Final Reports
Fungicide use in the Australian grains industry has risen significantly in the past decade... A sufficient level of genetic resistance needs to be maintained, particularly in crops attacked by medium and high risk pathogens where the diversity of fungicides available is low... The chemical industry is being encouraged to introduce one or more of the eight modes of action that control mildew overseas or on grapes in Australia...
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Catalogue: GRDC Media
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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Catalogue: GRDC Media
Author : Sharon Watt Oilseeds disease authority Dr Steve Marcroft says severe early blackleg disease infection in 2016 could be attributed to the combination of three factors - wet weather, breakdown of cultivar resistance and the onset of fungicide resistance... A combination of factors has led to severe early infection of blackleg disease in this year's canola crops in southern Australia (South Australia, Victoria and southern New South Wales)... "Normally with blackleg we tell farmers to monitor their crops at end of season to see how much stem canker they have - it's quite unusual for the disease to be striking young crops so severely at this time of the year," said Dr Marcroft, whose research is supported by the Grains Research and Development Corporation (GRDC)...
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Catalogue: GRDC Media
Western Australian growers are being encouraged to understand foliar fungal diseases of cereals and how to manage them... The Grains Research and Development Corporation (GRDC) has released a western region-specific version of the Cereal Fungicides Fact Sheet, aimed at assisting growers in managing cereal fungicide use... According to GRDC plant health technologies program manager Ken Young, fungicides are just one component of an effective management strategy and do not increase yield; they protect yield potential and cannot retrieve lost yield if applied after infection is established...
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