GRDC Grains Research Update Wagga Wagga 2020
GRDC Grains Research Update Wagga Wagga 2020
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This page contains update papers presented at the .
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Presented at
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Well managed pastures are one of the key drivers of the profitability, sustainability and resilience of these systems....
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Paper presented at Quirindi, Warialda, Walgett, Capella, Moura and Lake Cargelligo GRDC Grains Research Update in August/November 2019 and March 2020 by Greg Rebetzke...
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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 • 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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Recent Australian wheat cultivars are heat tolerant. However, new materials developed from diverse genetic backgrounds using field-based phenotyping and genomic selection suggest that levels of heat tolerance can be substantially improved....
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Take home messages • The efficacy of the herbicide mix; clethodim and butroxydim is significantly greater than either clethodim or butroxydim when applied stand-alone. • The efficacy of the herbicide mixture; trifluralin and prosulfocarb is significantly greater than either trifluralin or prosulfocarb when applied stand-alone. • There is little or ...
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Take home messages • Blackleg crown canker results from infection during early seedling growth. Prior to sowing, use the BlacklegCM decision support tool to identify high risk paddocks and explore management strategies to reduce yield loss. • New succinate dehydrogenase inhibitor (SDHI) seed treatment fungicides have higher efficacy, increased lon...
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• insect pest, precision monitoring, climate, forecasting...