GRDC Grains Research Update Wagga Wagga
Presented at:
The GRDC Updates deliver research direct to growers, agronomists and industry. This year the Updates will offer information from the latest research and development from short- and medium term investments that address on-farm priority issues from farming systems, agronomy, soils, weeds to pests and diseases.
This page contains update papers presented at the .
Browse all update papers below or click Download PDF.
Use the media tab to view presentation materials from the event such as power points, images or videos and other media.
Presented at
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Rapid decision-support: CropScout is a new smartphone app which automates the sequential sampling process for cabbage and turnip aphids in winter/spring canola and maps results relative to the spray threshold, as a targeted sampling and spray decision tool. • This field intelligence can be used to optimise spray timing and, where possible, to targe...
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How residual herbicide products react with soil, water, temperature, light, organic matter and microbes determine their potential for plant-back risk. • Drivers for pre-emergent residual herbicide breakdown are set by a product’s physical and chemical properties. • Labels are legal documents that provide guidelines and key conditions that when met ...
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In 2017, low yielding, unprofitable canola crops grew near profitable crops where strict attention to the system and timely agronomic management occurred. • Matching the phenology of a variety with sowing date was paramount for grain yield, largely avoiding major frost damage. At all sites, yield was reduced when flowering started before August. • ...
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For pulses to play a role in sustainable and healthy food systems, key constraints through innovations in pulse-based food processing need to be addressed. • Research into material properties of pulses may reduce costly trial-and-error product development for ready to eat products. • Current research focus is to quantify how pre-treatment, formin...
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Cereal stubble should be thought of as a source of carbon (C) for microbes, not as a source of nitrogen (N) for crops. In no-till systems, only approximately 6% of the N requirement of crops is derived from the stubble. • Nitrogen tie-up by cereal residue is not just a problem following incorporation — it occurs in surface-retained and standing-st...
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Herbicide resistance occurs most commonly in continuously cropped grain production fields. • Grass weeds with resistance to pre-emergent herbicides (Groups D and J) and broadleaf weeds with resistance to Group I herbicides are emerging problems that will test growers’ management skills. • Attempting to introduce three effective control practices in...
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Barley genotypes with alternative development patterns showed variation in flowering date in response to sowing time. • High grain yields were achieved across a range of barley variety x sowing date combinations, and through varied yield components....
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The yield gap, or the difference between actual and potential yield in wheat, was 1.1, 1.2 and 1.3t/ha across the Northern, Southern and Western GRDC regions of the Australian grain belt, respectively in 2015 and 2016. • The cause of this yield gap is variable. No one factor (nitrogen (N), disease, weeds or rainfall) is a cause of the yield gap — i...
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Insecticide resistance issues continue to outpace novel control options. • Redlegged earth mite (RLEM): o Resistance in RLEM has been detected for the first time in eastern Australia. o Synthetic pyrethroids (SPs) are completely ineffective against SP-resistant RLEM populations, while some efficacy remains for organophosphates (OPs) against OP-res...
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