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grain insect

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Catalogue: GRDC Updates (West)
KEYMESSAGES Incorrect use of phosphine since the 1950s, has led to escalating resistance in stored grain insects which threatens the continued use of phosphine at the farm level... 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... When running a trial it is important to: 1...
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Catalogue: GRDC Factsheets
Impact on Market access Production costs Hosts are wheat, durum and triticale Blackened seeds crush relatively easy Infected grain has a fishy smell Import restrictions in over 45 countries If established in Australia, would reduce grain price by $20 to $55/t.. Impact on Market access Production costs Adults have wings but don't fly Insects are spread in infected grain Insects are only 2-3 mm long Can damage up to 30% grain before it is noticed Phosphine fumigation is not very effective Larvae can survive over a year without food Reduces the number of overseas markets.. Impact on Market access Production costs Many overseas countries have grain insects with 'strong resistance' to phosphine Phosphine gas is main fumigant used in stored grain Threat to exports because resistant insects can survive fumigation Poor fumigation also increases selection pressure Need regular testing of live insects by entomology laboratory..
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Catalogue: GRDC Factsheets
Impact on Market access Production costs Hosts are wheat, durum and triticale Blackened seeds crush relatively easy Infected grain has a fishy smell Import restrictions in over 45 countries If established in Australia, would reduce grain price by $20 to $55/t.. Impact on Market access Production costs Adults have wings but don't fly Insects are spread in infected grain Insects are only 2-3 mm long Can damage up to 30% grain before it is noticed Phosphine fumigation is not very effective Larvae can survive over a year without food Reduces the number of overseas markets.. Impact on Market access Production costs Many overseas countries have grain insects with 'strong resistance' to phosphine Phosphine gas is main fumigant used in stored grain Threat to exports because resistant insects can survive fumigation Poor fumigation also increases selection pressure Need regular testing of live insects by entomology laboratory..
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Catalogue: GRDC Factsheets
Impact on Market access Production costs Hosts are wheat, durum and triticale Blackened seeds crush relatively easy Infected grain has a fishy smell Import restrictions in over 45 countries If established in Australia, would reduce grain price by $20 to $55/t.. Impact on Market access Production costs Adults have wings but don't fly Insects are spread in infected grain Insects are only 2-3 mm long Can damage up to 30% grain before it is noticed Phosphine fumigation is not very effective Larvae can survive over a year without food Reduces the number of overseas markets.. Impact on Market access Production costs Many overseas countries have grain insects with 'strong resistance' to phosphine Phosphine gas is main fumigant used in stored grain Threat to exports because resistant insects can survive fumigation Poor fumigation also increases selection pressure Need regular testing of live insects by entomology laboratory..
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Catalogue: Broadacre Field Crops DAFF QLD
If insects in grain are left untreated, the grain will, be unsaleable to most buyers, be reduced to dust by the insects feeding on it and go mouldy because of the heat and moisture released by the insects... If insects are detected as grain is outloaded for sale, treatment is likely to delay the delivery by two to four weeks... Key points most markets want grain free from insects and some want freedom from chemical residues, so check with potential buyers before you treat with chemicals clean grain handling and storage equipment and dispose of or treat old infested grain aeration cooling reduces insect activity, but may have to be used with other methods in summer chemical sprays are registered only for cereal grains, not pulses and oilseeds There are no simple short cuts for storing grain safely...
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Catalogue: Broadacre Field Crops DAFF QLD
If insects in grain are left untreated, the grain will, be unsaleable to most buyers, be reduced to dust by the insects feeding on it and go mouldy because of the heat and moisture released by the insects... If insects are detected as grain is outloaded for sale, treatment is likely to delay the delivery by two to four weeks... Key points most markets want grain free from insects and some want freedom from chemical residues, so check with potential buyers before you treat with chemicals clean grain handling and storage equipment and dispose of or treat old infested grain aeration cooling reduces insect activity, but may have to be used with other methods in summer chemical sprays are registered only for cereal grains, not pulses and oilseeds There are no simple short cuts for storing grain safely...
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Catalogue: Broadacre Field Crops DAFF QLD
If insects in grain are left untreated, the grain will, be unsaleable to most buyers, be reduced to dust by the insects feeding on it and go mouldy because of the heat and moisture released by the insects... If insects are detected as grain is outloaded for sale, treatment is likely to delay the delivery by two to four weeks... Key points most markets want grain free from insects and some want freedom from chemical residues, so check with potential buyers before you treat with chemicals clean grain handling and storage equipment and dispose of or treat old infested grain aeration cooling reduces insect activity, but may have to be used with other methods in summer chemical sprays are registered only for cereal grains, not pulses and oilseeds There are no simple short cuts for storing grain safely...
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Catalogue: Ground Cover
Postgraduate PhD researcher Yonghao Nui operates a gas chromatograph to evaluate volatile chemicals in insect-infested grain at Murdoch University, WA... "Current detection approaches for grain are based on representative sampling of stacks, trucks and rail bogies, and manual inspection for adult insects," Dr Agarwal says... "If the chemo-metric 'signature' peaks of the key stored grain insects, Rhyzopertha dominica and Tribolium castaneum , are identified through their volatile chemical signals, we can say that the grain is infested with these pests," Dr Agarwal says...
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Catalogue: GRDC Final Reports
Australia is well placed to meet this demand through its extensive use of fumigation, sealed storages and flow-through systems, both on-farm and in the central handling system... One of the key economic outcomes of this research is to prolong the life of phosphine on which Western Australia is so reliant avoiding the enormous extra cost of alternative technologies... There was a previous report on the finding of high resistance in a sample collected in a vacuum cleaner bag from Oman and Tribolium castaneum from southern China in polished rice...
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