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Catalogue: GRDC Media
An emerging sunflower crop affected by slugs.. We also had issues with preventing the airflow in the seeder blowing the lighter baits off target and stubble impeding the bait placement making it harder for slugs to find the baits.".. Mr Pilkington believes the application at sowing made a huge difference to bait placement accuracy and the residue managers on the precision planter helped with putting baits onto clear ground for the slugs to find...
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Catalogue: Ground Cover
The University of Melbourne's Dr Michael Nash says slug trials in the past year have shown baiting is still the best option for chemical control and grain growers should not skimp on bait rates... Dr Nash says growers must closely monitor crops after rain when conditions are moist and favourable for slugs, particularly in areas affected by the pests in the past... Speaking at the recent GRDC Adviser Updates series in the southern region, Dr Nash says baiting success depends on the chances a slug will encounter individual baits, which is influenced by slug activity, attractiveness of the bait and the number of baits...
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Catalogue: GRDC Media
"Now is the time - before harvest - to record where slugs have been present this year, regardless of whether they caused damage, as it can take more than one season for slugs to reach damaging levels in a paddock... "Discussed at all meetings was the need for alternative controls for slugs in WA, as burning and tillage only controls the reticulated slug," GRDC RCSN coordinator Julianne Hill said... GRDC supported surveys conducted by DAFWA have found that most slugs in WA crops are the black keeled slug or the reticulated slug...
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Catalogue: GRDC Updates (West)
Blackleg and its management has become an important issue for canola in the coming seasons... As most of the canola cultivars, irrespective of the level of their adult plant resistance, are susceptible to infection by the fungus at the seedling stage (may be termed as 'seedling susceptibility window') and consequent canker formation the timing of ascospore release in relation to the onset of adult plant resistance provides information on the risk of blackleg... The risk of blackleg appears to be both location and season specific...
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Catalogue: NVT Online Papers
Early work on canola focused on weed management strategies including the breeding of herbicide tolerant canola varieties such as triazine tolerant (TT) varieties which now account for an estimated 90% of canola grown in WA... Research is still being conducted to determine the effect of these viruses on the yield of canola in WA. European work has found seed yield losses of 10-15% associated with this virus disease in canola... The amount of air passed through the grain is measured in litres per second per tonne and varies depending on the particular aeration strategy...
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Catalogue: GRDC Media
Dr Michael Nash, University of Melbourne says at this time of year growers should be closely monitoring crops, particularly after rainfall when conditions are moist and favourable for slugs. ".. "The large canola planting will favour higher carryover of populations into next season, particularly if we have a wet season extending over summer," Dr Nash said... The Grains Research and Development Corporation (GRDC) is funding research into and commercialisation of a biological control, which relies on a native nematode and symbiotic bacteria that kill slugs and snails...
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Catalogue: Ground Cover
"Growers should be using a number of techniques at the same time - chemical and cultural - that when combined provide sufficient control to reduce numbers to levels where a susceptible crop, particularly canola, is able to withstand the low numbers that remain," Mr Midwood says... "Evidence would suggest that burning the stubble gives you a better level of control of slugs because you're removing the habitat," Mr Midwood says. ".. "Press wheels tick the box from the crop emergence point of view, but if you're sowing on a 200 to 300-millimetre row spacing and you're using a narrow press wheel, there's all that area in between the rows where there's no consolidation of soil, so it's easy for slugs to move between the rows," he says...
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Catalogue: GRDC Media
In-paddock imaging technology is being employed in research which aims to help growers better predict when slugs will be active on their properties, so they can better time baiting applications... The research is being conducted as part of a project investigating slug and snail monitoring and control methods, initiated by the Grains Research and Development Corporation (GRDC) Regional Cropping Solutions Networks (RCSN) initiative... Due to the sporadic nature of slug attacks, Ms Micic said the RCSN study had set up a field trial at Frankland with imaging technology to take photos every few minutes, along with a weather station, to correlate environmental cues with slug movement...
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Catalogue: GRDC Media
In-paddock imaging technology is being employed in research which aims to help growers better predict when slugs will be active on their properties, so they can better time baiting applications... The research is being conducted as part of a project investigating slug and snail monitoring and control methods, initiated by the Grains Research and Development Corporation (GRDC) Regional Cropping Solutions Networks (RCSN) initiative... Due to the sporadic nature of slug attacks, Ms Micic said the RCSN study had set up a field trial at Frankland with imaging technology to take photos every few minutes, along with a weather station, to correlate environmental cues with slug movement...
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Catalogue: GRDC Publications
Barley Yellow Dwarf Virus can be a threat in all environments, and it is recommended that seed be treated with imidicloprid, or crops closely monitored for aphid infestation and sprayed ... In the circumstances using fertilisers that have a higher sulphur content, like MES 10 or Airseeder Superfect, can be beneficial... A fast track project was initiated to demonstrate and evaluate a range of management strategies that Twelve farms were surveyed across the western districts of southern Victoria that were considered suitable as potential trial sites based on grower and adviser recommendations...
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