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Catalogue: GRDC Media
Watch a video with FAR Australia's Nick Poole... Rust has taken a back seat as the primary disease for wheat in the high rainfall zone (HRZ) of south-eastern Australia with Septoria Tritici Blotch (STB) taking the reins as the biggest headache for growers over the last three seasons... "It has a much longer latent period (time between fungal spores infecting the crop and symptoms appearing), meaning you can't tell whether new tissue is infected since it takes longer for the disease to reveal itself in the crop," Mr Poole said. "..
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Catalogue: GRDC Media
Watch a video with FAR Australia's Nick Poole... Rust has taken a back seat as the primary disease for wheat in the high rainfall zone (HRZ) of south-eastern Australia with Septoria Tritici Blotch (STB) taking the reins as the biggest headache for growers over the last three seasons... "It has a much longer latent period (time between fungal spores infecting the crop and symptoms appearing), meaning you can't tell whether new tissue is infected since it takes longer for the disease to reveal itself in the crop," Mr Poole said. "..
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Catalogue: GRDC Media
HRZ growers urged to be prepared for STB threat.. Mr Poole says rusts are a "puppy" compared to STB because fungicides do not achieve the same level of control as seen with stripe rust in Australia, and because the disease has a longer latent period which makes it more difficult to determine its progress... With the STB pathogen becoming resistant to strobilurins and triazoles in other parts of world and with evidence that the pathogen in southern Australia has some of the early stage resistance mutations to triazoles, Mr Poole is urging growers to use an IDM strategy and not base control on fungicides alone...
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