GRDC Grains Research Update Bendigo 2020
Presented at:
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25th Feb 2020 to 26th Feb 2020Update Event
Bendigo, VIC
Sponsored by GRDC: GRDC Grains Research Update (Bendigo)
GRDC Grains Research Update (Bendigo)
Region: South
This page contains update papers presented at the GRDC Grains Research Update (Bendigo).
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Presented at GRDC Grains Research Update (Bendigo)
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Take home messages • Elevated atmospheric carbon dioxide (CO2) concentrations can increase crop growth when sufficient phosphorus (P) is supplied. • Crop are better able to acquire non-labile P under elevated CO2 through increased root length in wheat and enhanced phosphatase activity in white lupin. • High P-fixing soils may need increased P input...
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Take home messages • Consult a current pulse disease guide for the latest pulse disease ratings and up to date disease management information. • A new national pulse disease rating system has been implemented, which will ensure a consistent and independent disease rating system for pulses. • In lentils, there are now two pathotypes of Ascochyta bli...
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• Based on more than 300 paddocks surveyed in the southern region, soil phosphorus (P) and soil nitrogen (N) status are highly variable across and within paddocks. In many cases, soil sampling intensity should be increased to sample multiple zones in a paddock. • Low production zones tended to have lower soil P and higher soil N levels, and therefo...
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Take home messages • Chemical properties dictate herbicide; o persistence & mobility o Photolysis & volatility o Solubility o Binding co-efficient (Koc) o Half-life (DT50) • Know your soil type (soil texture, pH, any hard pans or changes at depth). • Seeder set-up is very important to minimise seed and herbicide contact. • Understand the role of s...
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Deep ripping is most likely to improve grain yields on sandy soils where upper parts of the soil profile have been compacted by machinery traffic. Deep ripping is less effective on heavy clay soils which appears related to subsoil constraints. On clay soils with subsoil constraints, the application of ameliorants such as gypsum and organic matter i...
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Take home messages • Chaff grazing increases annual ryegrass emergence by removing chaff residues. • Widespread adoption of harvest weed seed control (HWSC) is driving the development of impact mill technology. • There is a need for independent testing of new impact mill systems....
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Take home messages ● There is a strong social dynamic at play when it comes to adoption of sustainable pest management strategies that must be better understood in order to curb the threat of increasing cases of insecticide resistance. ● The adviser has an important role to play in facilitating long term sustainability of farming enterprises; they...
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Take home messages • Highly acidic layers between 7 and 30cm soil depth may not be detected by only sampling the 0-10cm depth. • Recommended soil layers for pH monitoring are 0-10cm, 10-20cm and 20-30cm. Testing 0-5cm is also important if sowing acid sensitive plants and you are unsure of your soil pH profile. • Regular liming and keeping the topso...
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Khapra beetle, Karnal bunt, Wheat stem rust pathogen Ug99, Lupin anthracnose and Barley stem gall midge are all exotics that are risks to the Victorian grain industry.Thirty-four key exotic pests, diseases and parasitic weeds can be found in the 2020 edition of the CropSafe guide to exotic pests and disease of grain available soon at: AgVictoria_ C...
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Take home messages • The proactive use of different management options in combination (such as variety selection, paddock selection and appropriate fungicide use), provides proven sustainable and economic control for both root and foliar diseases. • A new strain of stripe rust is important to durum wheat and some bread wheats with new ratings publi...
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