GRDC Grains Research Update Bendigo 2019
Presented at:
This page contains update papers presented at the .
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Presented at
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• Herbicides including trifluralin, 2,4-Dichlorophenoxyacetic acid (2,4-D), diuron, glyphosate and diflufenican were detected in soils in more than 30% of paddocks surveyed prior to planting. • Herbicides, when applied at label rates, do not cause significant impacts on soil microbial functions. In particular, glyphosate, even with repeated applica...
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• Stocks of soil organic matter (SOM) and nitrogen (N) are limited resources and current trends across Australian agricultural soils indicate that these are declining (Luo et al. 2010). • Soil derived N can contribute to the amount of N available to a crop. As the capacity of a soil to deliver N declines, increased rates of fertiliser N will be req...
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• The Australian agvet regulatory system is a scientific, evidence-based risk assessment process which is highly recognised internationally. • Agvet chemicals are nominated for review based on key criteria of concern including human health (toxicology and occupational health and safety), environment, residues and trade, target crop safety and effic...
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• Research results from the GRDC Hyper Yielding Cereals (HYC) project have set new benchmarks for the yield performance of irrigated feed wheat with plot yields in excess of 15t/ha in 2016 and in excess of 12t/ha in 2017. • Higher final harvest dry matter is essential for higher grain yields. Crop canopies producing 30t/ha-35t/ha dry matter at har...
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• Know the water limited yield potential and target the soil constraints to crop water-use: Assessing the yield gap relative to expected gains and seasonal risks, alongside identifying the key soil constraints, are important in developing an amelioration plan with cost effective outcomes. • Yield responses to physical disruption are common but not...
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• Highest yields for winter wheats come from early to late April establishment. • Highest yields of winter wheats sown early are similar to Scepter sown in its optimal window. • Slower developing spring varieties are not suited to pre-April 20 sowing. • Different winter wheats are required for different environments. • Flowering time cannot be ma...
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• Mouse numbers are currently low across most regions of southern New South Wales, South Australia and northwest Victoria. At this stage, there is low potential for economic damage at sowing in 2019. • Information about changes in mouse numbers in the lead up to the 2019 sowing can be accessed from the mouse monitoring updates published at https://...
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• Disease symptoms on canola are caused by a variety of pathogens. Correct identification is critical to ensure appropriate control strategies are selected. Use the GRDC Back Pocket guide or Canola: the ute guide, for disease identification. • Blackleg and sclerotinia stem rot most commonly cause significant yield loss. Whilst other diseases can be...
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5WA Department of Primary Industries and Regional Development...
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• Alphabet herbicide resistance is more common in high rainfall zones. • Resistance to Group J and Group K herbicides in ryegrass has been confirmed in SA, Vic and NSW. • The use of new mode of action (MoA) herbicides should be included to delay resistance to any one herbicide. • Use herbicide resistance testing to identify opportunities to use gr...
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