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dimethoate resistance

Catalogue: GRDC Factsheets
" Revised July 2015 Resistance ManageMent stRategyfoRthegReenpeach aphid in austRalian gRains Key points Green peach aphids (GPA) are a widespread and damaging pest of canola and a range of pulse crops, causing damage by feeding and transmitting viruses... Five chemical subgroups are registered to control GPA in grain crops: carbamates (Group 1A); synthetic pyrethroids (Group 3A); organophosphates (Group 1B); neonicotinoids (Group 4A); and sulfoxaflor (Group 4C)... A strategy to manage insecticide resistance in GPA populations is available for use by grain growers and their advisers...
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Catalogue: GRDC Factsheets
" Revised July 2015 Resistance ManageMent stRategyfoRthegReenpeach aphid in austRalian gRains Key points Green peach aphids (GPA) are a widespread and damaging pest of canola and a range of pulse crops, causing damage by feeding and transmitting viruses... A strategy to manage insecticide resistance in GPA populations is available for use by grain growers and their advisers... Other general recommendations include: assess aphid and beneficial populations over successive checks to determine if chemical control is warranted; use economic spray thresholds where available; where GPA is colonising crop margins in the early stages of population development, consider a border spray with an insecticide to prevent/delay the build-up of GPA and to retain beneficial insects; avoid repeated applications of products from the same insecticide group on GPA and other pests in the same paddock;..
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Catalogue: GRDC Factsheets
" Revised July 2015 Resistance ManageMent stRategyfoRthegReenpeach aphid in austRalian gRains Key points Green peach aphids (GPA) are a widespread and damaging pest of canola and a range of pulse crops, causing damage by feeding and transmitting viruses... A strategy to manage insecticide resistance in GPA populations is available for use by grain growers and their advisers... Other general recommendations include: assess aphid and beneficial populations over successive checks to determine if chemical control is warranted; use economic spray thresholds where available; where GPA is colonising crop margins in the early stages of population development, consider a border spray with an insecticide to prevent/delay the build-up of GPA and to retain beneficial insects; avoid repeated applications of products from the same insecticide group on GPA and other pests in the same paddock;..
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