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Grains Notes DEPI VIC

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Sclerotinia (white mould) is an occasional disease of chickpea which can cause significant crop losses in eastern Australia... Seed infected with sclerotinia is the source of establishing the disease in otherwise sclerotinia-free areas... Fig 1.Early symptoms of plants affected by sclerotinia...
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Septoria blotch of field peas is usually a minor disease occurring sporadically in Victoria and South Australia but has caused major crop losses in NSW... Typical leaf lesions caused by Septoria... Septoria can be managed by using an integrated approach that encompasses crop rotation, stubble management and fungicides...
About 30 diseases of sunflowers have been recorded throughout the world; not all occur in Australia, and only six are of importance in Victoria... As the disease develops only the fibrous strands on the back of the head remain, and the seed-bearing face generally falls away under the weight of the seed... Charcoal rot - apparent after flowering; stems discoloured at base, very small sclerotia within pith..
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Downy mildew is one of the most common fungal diseases of field peas in Victoria, and often causes substantial reduction in plant numbers in cool wet seasons... Thick grey fungal growth on the lower leaf surface, is typical of downy mildew.. The disease is most common soon after seedling emergence, but it may affect plants at any stage of growth especially during periods of moist, cool weather...
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Without appropriate management, diseases can severely impact on the yield and quality of wheat crops in the Wimmera region of Victoria... The Information Note first discusses the integrated management strategies that are required to protect crops from losses due to disease, and then discusses the important diseases of wheat in more detail... For some diseases, a single management strategy is effective, while for others a number of approaches need to be utilised together to ensure effective management...
The Agriculture Note provides information on the importance, symptoms, and biology of pepper spot, common leaf spot, Stemphylium leaf spot, Stagonospora leaf spot, downy mildew and rust in lucerne... Pepper spot, caused by the fungus Leptosphaerulina trifolii , is one of the most common diseases on lucerne, but usually does not cause serious herbage losses... Host Range: Uromyces striatus occurs on lucerne, medics and sweet clover...
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Chocolate spot is the most important disease of faba beans in Victoria and South Australia... A non-aggressive phase, when discrete reddish-brown spots are "peppered" over the leaves and stems, and then an aggressive phase, when spots darken in colour and coalesce to form larger grey-brown target spots (Figure 2) that may eventually cover the entire plant... Chocolate spot occurs in all areas where faba beans are grown, causing losses ranging from minor to complete failure of a crop...
Balansa has good levels of hard seed which allow balansa clover to regenerate well after a season of cropping... Mid and late maturing varieties of balansa clover are commercially available, and this range allows the species to be grown in areas receiving between 350 and 800 mm of annual rainfall... Balansa clover grows best in monoculture; good performance with perennial grasses or short-lived ryegrass has been reported...
Downy mildew is one of the most common fungal diseases of field peas in Victoria, and often causes substantial reduction in plant numbers in cool wet seasons... Thick grey fungal growth on the lower leaf surface, is typical of downy mildew.. The disease is most common soon after seedling emergence, but it may affect plants at any stage of growth especially during periods of moist, cool weather...
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The Agnote provides information on bioethanol, drivers and barriers for production, markets, and research and development in Victoria... The production of bioethanol has been occurring overseas for a number of years but is in its infancy in Australia... The Agnote was developed by Aimee McCutheon...
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