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Catalogue: GRDC Research Summaries
Necrotrophic diseases are caused by fungal pathogens that benefit from causing damage to the plant, in contrast to biotrophs that benefit from maintaining the host cells in a living state... The most important necrotrophic foliar diseases in Australia are Stagonospora nodorum blotch and tan spot on wheat, two net-blotch diseases of barley, diseases of legumes caused by the Ascochyta group and canola blackleg... A series of studies by us and our collaborator Friesen have shown that different isolates of S. nodorum can be placed in different races depending on which of up to 17 different effectors are produced...
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Catalogue: GRDC Final Reports
The causal fungus, Leptosphaeria maculans , produces a toxin, sirodesmin, a virulence factor that contributes to cankering of canola stems... Crop diseases are an important constraint to agriculture people with this expertise will become more valuable to the grains industry... The fungus, L. maculans , produces a toxin, sirodesmin, a virulence factor that contributes to cankering of canola stems, the yield-limiting symptom of blackleg...
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Catalogue: Broadacre Field Crops DAFF QLD
There are a number of different strains of Bt, and each is specific to an insect group, e.g. moths, beetles or flies... Bt causes larvae to stop feeding soon after the Bt is eaten... Bt is often mixed with additives such as stickers or feeding attractants to increase its efficacy...
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Catalogue: Broadacre Field Crops DAFF QLD
There are a number of different strains of Bt, and each is specific to an insect group, e.g. moths, beetles or flies... Bt causes larvae to stop feeding soon after the Bt is eaten... Bt is often mixed with additives such as stickers or feeding attractants to increase its efficacy...
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Catalogue: Broadacre Field Crops DAFF QLD
There are a number of different strains of Bt, and each is specific to an insect group, e.g. moths, beetles or flies... Bt causes larvae to stop feeding soon after the Bt is eaten... Bt is often mixed with additives such as stickers or feeding attractants to increase its efficacy...
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Catalogue: Ground Cover
Effective phosphine fumigation takes time.. Most growers at some time will have used phosphine, sold as phostoxin or fumitoxin, to keep grain free of live insects as it is inexpensive, controls all pests (if used correctly) and is accepted by international markets... Phosphine in resistant insects takes a lot longer to work...
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Catalogue: Ground Cover
Effective phosphine fumigation takes time.. Most growers at some time will have used phosphine, sold as phostoxin or fumitoxin, to keep grain free of live insects as it is inexpensive, controls all pests (if used correctly) and is accepted by international markets... Phosphine in resistant insects takes a lot longer to work...
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