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Catalogue: GRDC Media
Grain growers in the southern cropping region are being kept entertained and informed this harvest while they spend endless hours in the cabin... The CD begins with a regional research update from GRDC Southern Regional Panel chair Keith Pengilley and an overview of the new southern stubble management initiative by GRDC Regional Grower Services Manager for the south, Andrew Rice... If you are pressed for time to read the new edition of Ground Cover then you can download an audio presentation of the magazine...
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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: GRDC Updates
Baits do kill juvenile snails... Stubble and/or green plant material reduce uptake of snail bait by juvenile snails... After three days, any remaining baits were removed and weighed to determine amount consumed and snail mortality was assessed after another five days...
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Catalogue: GRDC Media
A snail bait distribution trial on Yorke Peninsula in 2013 tested the coverage of various spreaders and found that on average coverage was two-thirds of that expected with urea... Recent rains across much of south-eastern Australia have led growers to look at controlling snails and slugs due to an increase in their activity, meaning now is the ideal time to spread bait... "Research is still continuing into the effects of fragmented baits, but it is unlikely that these smaller fragments would contain a lethal dose, so I would recommend that when growers do their calibration run, they look for fragmentation - where instead of baits there are small crumbs - and increase the dose assuming that those baits are no longer effective...
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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 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 Updates
The paper aims to examine some of the knowledge gained recently from Grain & Graze activities and look at the current issues and future direction that these crops may take - not only within the crop rotation but also the farming system.. In a year such as 2011 summer rains were generally well in excess of crop requirements and our results show little difference in soil moisture levels following summer crops... A recent survey conducted by the author of approx 20 growers and agronomists in south western Victoria, who had been active with alternate break crops over a number of years, highlighted that there are three principle areas of consideration that help determine the appropriate break crop for a given situation..
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Catalogue: Ground Cover
Mediterranean white and conical snails will serve as test subjects in a pilot study that may lead to the adoption of gene-silencing technology for crop pest-control applications... Dubbed "daughterless technology", the strategy involves constructing a molecular switch that can turn off female development, creating male-only populations... Existing controls have proved only partially successful and involve practices that are increasingly unacceptable to growers, because they either promote soil erosion (such as stubble burning) or cause chemical contamination (pesticides)...
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Catalogue: GRDC Media
All baiting must be completed by late August or at least two months before harvest, according to the South Australian Research and Development Institute (SARDI) Entomology Unit... SARDI entomologist Kym Perry says very high snail populations this season increase the risk of snails becoming a grain contaminant at harvest, potentially clogging machinery or leading to downgrades. ".. The next few weeks are the last opportunity to bait to reduce snail populations prior to harvest now is the time to monitor and assess the need to bait," said Mr Perry, whose work is supported by growers and the Australian Government through the Grains Research and Development Corporation's (GRDC) investment in the National Invertebrate Pest Initiative (NIPI)...
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