GRDC Grains Research Update Wagga Wagga 2019
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This page contains update papers presented at the .
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Presented at
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• Harvest weed seed control (HWSC) is an important component of a successful weed management package. • Suppression of weed emergence increases with increasing amounts of chaff. • Site-specific weed control creates the opportunity to use alternative physical weed control technologies....
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• A novel method of simulating heat stress in canola fields was successfully developed and tested using portable heat chambers. • Grain yield, yield components and quality were significantly reduced when heat stress was applied between 22 days to 60 days after first open flower (BBCH 60). • With irrigation (175mm), there was a 61% increase in grain...
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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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• Three new pulse varieties were released by the Pulse Breeding Australia (PBA) programs • Poor seasonal conditions throughout the 2018 growing season in southern NSW limited yield potential. • Disease incidence and severity were low during 2018. • Where sub-surface acidity is detected, incorporate lime to a depth of 10cm, at least 12 months before...
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• Results from glasshouse experiments indicated that the surface incorporation of an organic matter, such as lucerne pellets, can increase subsurface soil pH. • The combined incorporation of lucerne pellets with lime could improve the ameliorating effect of the organic amendment on subsurface soil acidity. • However, in a first-year field experimen...
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• Precision agriculture does not need to be complicated — keep it simple and use appropriate data layers to guide your agronomic decisions. • Establish a good relationship with third party data processors — your strength is agronomy, not geographical information systems (GIS) and dealing with raw data — focus on practical agronomic solutions. • Lim...
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• Producers have community support, but this support is fragile. • Trust is not based on knowledge, so it cannot be gained by education alone. • To build trust, agricultural industries need to be trustworthy....
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• Ensure flowering date is matched to the environment and grow enough biomass for the targeted grain yield. • High biomass was necessary for a high yield potential. There is no advantage in utilising management strategies that reduce growth in order to increase harvest index and grain yield. • Select two or three varieties with differing phenology ...
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• Barley is capable of maintaining a yield advantage over wheat in southern NSW across yield environments. • New barley varieties such as RGT Planet and Banks offer alternative phenology patterns compared to the benchmark fast spring type La Trobe. • In southern NSW, most spring barley types are still suited to traditional May sowing dates, and ear...
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• Of the three principal fungicide modes of action used regularly for broadacre disease control: o Group 11 quinone-outside inhibitors (QoIs) (strobilurins) are at the highest risk of pathogen resistance development, particularly the pathogens responsible for Septoria tritici blotch (STB) in wheat, and spot form of net blotch (SFNB) and powdery mi...