GRDC Grains Research Update Adelaide 2020
Presented at:
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11th Feb 2020 to 12th Feb 2020Update Event
Adelaide, SA
Sponsored by GRDC: GRDC Grains Research Update (Adelaide)
GRDC Grains Research Update (Adelaide)
Region: South
This page contains update papers presented at the GRDC Grains Research Update (Adelaide).
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Presented at GRDC Grains Research Update (Adelaide)
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Take home messages • With a very large area being sown to Spartacus and Compass we are seeing a heavy selection for increased virulence of net form net blotch (NFNB) on these varieties. • The repeated use of fungicides on susceptible wheat and barley varieties has seen a loss of efficacy to NFNB in some demethylation inhibitors (DMIs) and Systiva®...
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Take home messages • Different winter varieties are required to target different optimum flowering windows. • Best yields of winter wheats sown early are similar to Scepter sown in optimal window. • If sowing early use the right winter cultivar for the right yield and flowering environment. • Highest yields for winter wheats come from early – late ...
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Take home messages • It is important to consider both climate variability and climate change. • The projections show a continuation of the warming and drying that has been seen in the southern grains belt. The confidence in the trends and projections is higher for temperature than rainfall. • Adaptable, information-rich farming systems are needed....
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Take home messages • There is no single answer as to which HWSC tool is best. It depends! • The Estimated Cost of HWSC model aims to give you the most accurate estimate of cost of HWSC based on what we know now. • The total cost per hectare can be relatively small when all things are considered. • Give the model (https://ahri.uwa.edu.au/whats-th...
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Take home messages • Potassium (K) deficiency is likely on acid sands where hay cutting has occurred. • Soil test critical values for K are likely higher than the current published crop values, and more likely reflect the pasture critical values. • Sulphur (S) deficiency is likely on lighter low organic matter (OM) soils after a wet summer. • Deepe...
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Take home messages • Break crop performance is highly variable across the southern low rainfall zone, and therefore a ‘one size fits all’ approach does not work. • Nuseed® Diamond canola, PBA Samira faba bean, Volga vetch and PBA Bateman lupin have shown improved crop performance compared to other varieties of their respective crop species. • Genes...
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• Seeps are rapidly growing as a result of modern farming systems, landscape and seasonal factors. • Early identification and action are imperative and can be assisted through satellite NDVI imaging. • Specific management strategies must be applied within recharge, discharge and interception zones to prevent the initial problem of unused freshwater...
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• Septoria tritici blotch (STB) has been building up in the farming system across south eastern Australia since 2010. • Zymoseptoria tritici which causes STB has a long spore dispersal mechanism which allows for the spread of the disease from high rainfall to medium and low rainfall regions. • Fungicide resistance to triazoles is ubiquitous however...
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Take home messages • A critical assessment of the regional performance of existing and new pasture legumes over two years has shown that annual medics continue to provide the best pasture option for neutral/alkaline sandy soils in the Mallee. Common vetch is an alternative option where a sown legume ley of one-year duration is preferred. • PM-250 ...
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Take home message • South Australia’s grains industry is well poised to benefit from strategic change in Australia’s grains industry....
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