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Catalogue: GRDC Media
South Australian pulse growers are being advised to closely monitor crops due to the high risk of diseases... South Australian Research and Development Institute (SARDI) senior pulse pathologist, Dr Jenny Davidson, says prolific crop canopy development has occurred in a number of pulse crops across SA due to high rainfall and warmer than average May and June temperatures... Botrytis grey mould does not normally occur in chickpeas in SA, but if chickpea crops develop heavy canopies and conditions are suitable for Botrytis grey mould (over 18C with high humidity), then these crops will also need to be sprayed with a fungicide, according to Dr Davidson...
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Catalogue: GRDC Media
South Australian pulse growers are being advised to closely monitor crops due to the high risk of diseases... South Australian Research and Development Institute (SARDI) senior pulse pathologist, Dr Jenny Davidson, says prolific crop canopy development has occurred in a number of pulse crops across SA due to high rainfall and warmer than average May and June temperatures... Botrytis grey mould does not normally occur in chickpeas in SA, but if chickpea crops develop heavy canopies and conditions are suitable for Botrytis grey mould (over 18C with high humidity), then these crops will also need to be sprayed with a fungicide, according to Dr Davidson...
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Catalogue: GRDC Updates
Controlling pulse diseases in 2011 Jenny Davidson, Rohan Kimber, Michael Lines and Larn McMurray SARDI.. The strategy may also help to reduce early chocolate spot infection, but note that only 2 sprays of carbendazim per crop are permitted to reduce risk of fungicide resistance... Field mould on lentil grain (and other pulses) Quality of pulse grain was compromised during last harvest by a number of factors including weather staining, disease (ascochyta and botrytis) staining, unfilled grain, wrinkled seed coat and field moulds...
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Catalogue: GRDC Publications
Rhizobia R hizobia are living micro-organisms (also called root-nodule bacteria) n odules on legume roots contain rhizobia, which fix nitrogen from the air Ea ch type of legume is nodulated by a specific type of rhizobia, which are identified as belonging to different "inoculant Groups" R hizobia in inoculants do not survive well in extremes of temperature (over 30 C and at freezing temperatures) or drying conditions that lead to desiccation Di fferent legume-rhizobia associations will tolerate different soil conditions... Generally rhizobia preferences are similar to those of the legume host - medic, pea, faba bean and chickpea rhizobia prefer neutral to alkaline soils (ph CaCl2 6.0 - 7.5) - lupin rhizobia tolerate acid soils (ph CaCl2 less than 6.0) 2 Photo: G. CumminG.. Always apply the seed dressing first and allow it to fully dry before applying the rhizobia as a second process Al ways use inoculants before their expiry date R eseal opened bags of peat inoculant and use them within 2 weeks of first opening the bag..
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Catalogue: GRDC Publications
Rhizobia R hizobia are living micro-organisms (also called root-nodule bacteria) n odules on legume roots contain rhizobia, which fix nitrogen from the air Ea ch type of legume is nodulated by a specific type of rhizobia, which are identified as belonging to different "inoculant Groups" R hizobia in inoculants do not survive well in extremes of temperature (over 30 C and at freezing temperatures) or drying conditions that lead to desiccation Di fferent legume-rhizobia associations will tolerate different soil conditions... Generally rhizobia preferences are similar to those of the legume host - medic, pea, faba bean and chickpea rhizobia prefer neutral to alkaline soils (ph CaCl2 6.0 - 7.5) - lupin rhizobia tolerate acid soils (ph CaCl2 less than 6.0) 2 Photo: G. CumminG.. Always apply the seed dressing first and allow it to fully dry before applying the rhizobia as a second process Al ways use inoculants before their expiry date R eseal opened bags of peat inoculant and use them within 2 weeks of first opening the bag..
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Catalogue: GRDC Publications
Published: May 2012 ISBN: 978-1-921779-19-0 In submitting this report, the researchers have agreed to the GRDC publishing this material in its edited form... Incidence is 40 per_cent frequency in 25 per_cent of the area, so that the average incidence of the disease affecting the crop is 10 per_cent... Eighteen, including all the fungal diseases, of the 21 diseases surveyed were reported as present on lentils in the 8.3 Diseases of lentils Southern Region and in Australia...
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Catalogue: GRDC Final Reports
The project reached its specified goal of increasing pulse choices in southern Australian farming systems and reducing losses caused by disease during production by the adoption of appropriate management practices and identification of suitable varieties for different production zones... The field evaluation of a range of foliar fungicide regimes for the management of ascochyta blight of chickpea and ascochyta blight of lentil enabled the most appropriate and economic disease management strategies to be identified for advanced breeding lines... A range of current commercial lentil and chickpea lines are included as a comparison to the stage 3 advanced breeding lines being evaluated for response to pathogen infection...
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Catalogue: GRDC Media
PULSE DISEASES ALERT: South Australian pulse growers are being advised to closely monitor their crops for diseases... Forecast warmer weather following wet conditions will provide ideal conditions for many diseases to quickly spread through crops, according to SA Research and Development Institute senior pulse pathologist, Jenny Davidson. ".. The recommended sprays as listed are very important and follow up sprays will be necessary in spring, especially if humid conditions are ongoing," said Ms Davidson, whose work is supported by the Grains Research and Development Corporation (GRDC)...
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Catalogue: GRDC Final Reports
Disease is one of the major yield constraints in pulse crops in Australian cropping systems... From the information strategic management practices can be developed to reduce the level of disease in crops making them more reliable and profitable... Studies on aerial spore release were conducted using trap plants at a number of sites over the growing season, and results were linked to environmental data collected via automatic weather stations...
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Catalogue: GRDC Final Reports
The project has improved the understanding of BGM of lentils in Australia and identified important sources of disease inoculum, undertaken host-pathogen interaction studies, developed methods to screen for disease resistance and identified breeding lines with improved disease resistance... Glasshouse experiments showed little variation in the pathogenicity of isolates within each species on lentil... Results from the project have increased understanding of the epidemiology of BGM of lentils and identified key stages in the aetiology of the disease that can be used by growers to prevent yield loss...
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