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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• Hyperspectral methods can be used as alternatives to traditional laboratory methods to quantify biochemical plant properties. • Hyperspectral methods were used to predict and visualise nitrogen (N) and water levels in wheat as well as to distinguish between salt-treated and control plants. • These non-destructive methods can be used to quantify ...
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Take home messages • iMapPESTS is a proof of concept research project enabled by a multifaceted industry, research and government network; including GRDC. • Through state-of-the-art surveillance and diagnostics tools and techniques, iMapPESTS aims to demonstrate how on-farm plant pest management can benefit from rapid and accurate monitoring and re...
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Take home messages • Lesson 1: Crop planning and preparation. • Lesson 2: Variety selection. • Lesson 3: Matching varietal phenology with sowing time. • Lesson 4: Sow slow spring canola late March to mid-April. • Lesson 5: Sow mid spring canola mid-April to early-May. • Lesson 6: Sow fast spring canola late April to mid-May. • Lesson 7: Apply post ...
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Take home messages • It is a legal requirement to follow all label directions when applying any chemical. • There are different perceptions and legal/contractual requirements of key domestic and export markets for chemical residues. • There are market access implications when using chemicals; applying a chemical according to label directions does n...
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Take home messages • Frost damage can be detected through sensing but cultivar, plant component, canopy structure and time after frost affects the spectra. Consequently, there are some approaches that look promising but there is currently no unique index that can consistently detect frost damage. • Temperature variation within canopies due to canop...
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Take home messages • Applying a single frost to wheat at flowering reduced yield by 7% for every degree below zero (up to -4°C), however, this increased to a reduction by 12% for every degree below zero when applied over two consecutive nights (up to -3°C). • Remote sensing spectral indices including normalised difference vegetation index (NDVI), n...
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Take home messages • New-age data loggers with telemetry transmitted in-canopy environmental data to a server. • Disease risk alerts based on the environmental data were emailed in near real-time from the server to researchers and agronomists. • This risk alert system may ultimately remove the uncertainty around timing of and need for fungicide spr...
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Take home messages • Pulse and canola crops can suffer from root diseases. • Next generation sequencing technology and PREDICTA®B tests are revealing multiple potentially important soilborne pathogens of pulse and oilseed crops in Australia; further work is being undertaken to determine which are the most important. • In 2020, if you suspect soilbo...
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Take home messages • Deep ripping is most effective in deep sandy-textured soils, when the ripper tines go beyond the compacted layer (+60cm). Grain yield increases usually persist for several years on deep sands. • Based on 2 years of limited data in SA, ripping with narrow (30cm) or wide (60cm) tine spacing resulted in similar grain yield respons...
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Take home messages • Resistance to pre-emergent herbicides is increasing across southern Australia. • New pre-emergent herbicides are becoming available; however, it is vital that these are used appropriately to get the best results. • Rotating pre-emergent herbicide modes of action and using other weed management practices will be essential to man...
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