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Catalogue: GRDC Updates (West)
While DBM has been difficult to control with older organophosphates and synthetic pyrethroids, spinetoram (Success NEO from Dow AgroSciences) and emamectin benzoate (Affirm from Syngenta) are highly effective and with careful management will continue to provide canola growers with cost-effective DBM control for many years... Trials were assessed by counting larvae immediately before application and at intervals following... To maintain this situation and keep Success and Affirm highly effective in controlling DBM, it is vital that neither product is used repeatedly...
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Catalogue: Ground Cover
Finding natural enemies of DBM is now a high priority of GRDC-supported research, particularly since the discovery that larvae collected from WA's northern agricultural region demonstrated 15-17 times greater resistance to the synthetic pyrethroid, permethrin, than susceptible laboratory populations... Research is ongoing to identify more natural enemies and evaluate their suitability for biocontrol on canola crops... Program 3 Contact: Ms Helen Spafford Jacob 08 9380 3590 < Keep browsing 0 Responses to RESEARCH UPDATE: Diamond biocontrol..
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Catalogue: Ground Cover
Finding natural enemies of DBM is now a high priority of GRDC-supported research, particularly since the discovery that larvae collected from WA's northern agricultural region demonstrated 15-17 times greater resistance to the synthetic pyrethroid, permethrin, than susceptible laboratory populations... Research is ongoing to identify more natural enemies and evaluate their suitability for biocontrol on canola crops... Program 3 Contact: Ms Helen Spafford Jacob 08 9380 3590 < Keep browsing 0 Responses to RESEARCH UPDATE: Diamond biocontrol..
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Catalogue: GRDC Factsheets
dbm outbreaks have become more frequent and severe in recent years, particularly in areas and seasons with mild winters... during flowering and pod formation if average numbers of 50 or more larvae per 10-sweeps are found (and the numbers fail to decline after seven to 12 days) spraying should be considered... When crops are at late-flowering and most pods are formed the average number of dbm larvae needs to exceed 100 larvae per 10-sweeps to warrant spraying...
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Catalogue: GRDC Factsheets
dbm outbreaks have become more frequent and severe in recent years, particularly in areas and seasons with mild winters... during flowering and pod formation if average numbers of 50 or more larvae per 10-sweeps are found (and the numbers fail to decline after seven to 12 days) spraying should be considered... When crops are at late-flowering and most pods are formed the average number of dbm larvae needs to exceed 100 larvae per 10-sweeps to warrant spraying...
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Catalogue: GRDC Factsheets
dbm outbreaks have become more frequent and severe in recent years, particularly in areas and seasons with mild winters... during flowering and pod formation if average numbers of 50 or more larvae per 10-sweeps are found (and the numbers fail to decline after seven to 12 days) spraying should be considered... When crops are at late-flowering and most pods are formed the average number of dbm larvae needs to exceed 100 larvae per 10-sweeps to warrant spraying...
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Catalogue: GRDC Media
Diamondback moth alert for canola crops.. While growers have been focused on the threat posed by green peach aphids, diamondback moth (DBM) also has the potential to cause significant losses in canola this season... Regional movement of DBM and colonisation of canola in southern Australia (University of Adelaide): PhD project to improve the understanding of movement of resistance types within a population to manage resistance, and learn more about timing and sources of colonisation to better predict which seasons will present a risk of DBM damage...
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Catalogue: GRDC Media
While growers have been focused on the threat posed by green peach aphids, diamondback moth (DBM) also has the potential to cause significant losses in canola this season... "As we now come out of winter, having had dry weather for much of August and temperatures starting to climb, we're now in circumstances that are again quite favourable for DBM. We're starting to receive agronomist reports that DBM are easy to find in many canola crops from all around South Australia, and I expect there will also be reports in Victoria and southern NSW.".. Regional movement of DBM and colonisation of canola in southern Australia (University of Adelaide): PhD project to improve the understanding of movement of resistance types within a population to manage resistance, and learn more about timing and sources of colonisation to better predict which seasons will present a risk of DBM damage...
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Catalogue: GRDC Media
The South East Premium Wheat Growers Association (SEPWA) has described as a fantastic result the granting of an emergency permit allowing Western Australian canola growers to use an alternative insecticide to combat diamondback moth (DBM)... "The emergency permit gives us another tool to combat resistance in this pest," he said... "The WA oilseed industry has a strong track record of complying with APVMA permit conditions, and I am confident that grower compliance will remain high for the specific requirements contained on the permit," Mr Goddard said...
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Catalogue: GRDC Factsheets
Crop monitoring from July onwards is key to making effective decisions for controlling diamondback moth... kEy Points Diamondback moth (DBm) can be a serious pest of canola and is found in all grain-growing regions... Bt is broken down by ultraviolet light, so the best results are achieved by dusk application...
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