Minnipa Agricultural Centre SA trials

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Trial	Contributor Funding sources	Year	Trial site

Harvest weed seed collection in broad acre paddocks To report on a summary of paddock surveys of harvest weed seed collection samples taken in 2016, 2017 and 2018 as a part of the GRDC Stubble Initiative project ‘Maintaining profitability in retained stubbles on upper Eyre Peninsula’ (EPF00001).	SARDI Minnipa Agricultural Centre GRDC	2017	Minnipa Agricultural Centre SA
Research organisaton
Maximising canola yield by getting establishment right - upper EP experience in 2013 To maximise canola productivity through creating soil specific management strategies that improve canola yields, profitability and establishment in field trials on lower and upper Eyre Peninsula.	SARDI Minnipa Agricultural Centre SAGIT	2013	Minnipa Agricultural Centre SA
Research organisaton
Monitoring barley grass in broad acre paddocks Barley grass weed density was monitored in three paddocks on upper EP (Minnipa Agricultural Centre (MAC), Heddle's at Minnipa and Wilkins' at Yaninee) using a UAV during the 2017 growing season at three different timings, with paddock transects conducted to verify grass weed density in paddocks.	SARDI Minnipa Agricultural Centre SAGIT	2017	Minnipa Agricultural Centre SA
Research organisaton
Monitoring barley grass in broad acre paddocks Barley grass weed density was monitored in three paddocks on upper EP (Minnipa Agricultural Centre (MAC), Heddle’s at Minnipa and Wilkins’ at Yaninee using an UAV during the 2017 (EPFS Summary 2017, p 83) and 2018 growing seasons at three different timings, with paddock transects conducted to verify grass weed density in paddocks.	SARDI Minnipa Agricultural Centre SAGIT	2018	Minnipa Agricultural Centre SA
Research organisaton
Monitoring barley grass in broad acre paddocks Barley grass continues to be a major grass weed in cereal cropping regions on upper Eyre Peninsula (EP). The use of unmanned aerial vehicle (UAV) technology to identify and assess barley grass populations in paddocks and monitor potential resistant populations may be a useful tool for farmers. This approach was tested in three paddocks on upper EP Minnipa Agricultural Centre (MAC), Minnipa Hill and Yaninee using a UAV during the 2017, 2018 and 2019 growing seasons at three different timings, with paddock transects conducted to verify grass weed density in paddocks. In 2019 grass weed escape paddocks were targeted at MAC and Condada in the final flights. The aim of the research was to determine if the UAV imagery could monitor the grass weed populations across seasons in crops and pastures, if resistant weed patches were continually in the same area of the paddock and if the information could be useful for farmers to adopt this method to better target grass weed control.	SARDI Minnipa Agricultural Centre SAGIT	2019	Minnipa Agricultural Centre SA
Research organisaton
Russian wheat aphid: FITE approach economically sound Russian Wheat Aphid (RWA) was first reported in 2016 in South Australia (SA), and has since been detected widely throughout Victoria, and in New South Wales (NSW) as far north as Coonamble and as far east as Tamworth. It has not been detected in Queensland or Western Australia. As part of the GRDC investment “Russian Wheat Aphid Risk Assessment and Regional Thresholds”, field trials were run at Minnipa for the second year through the Minnipa Agricultural Centre team. The purpose of these trials was to look into the level of natural infestation of cereal crops, and the effect of high RWA populations (obtained through artificial inoculation) on aphid and symptom dynamics and yield loss. This trial was one of a suite of trials undertaken in SA, Victoria, Tasmania, and NSW over 2018 and 2019, and contributes to a larger dataset. The aim of the trial reported here was to determine the risk of RWA infestation in cereal crops in the Minnipa area in 2019 and observe the effect of high aphid numbers achieved through artificial inoculation on crop development and yield.	SARDI Minnipa Agricultural Centre GRDC	2019	Minnipa Agricultural Centre SA
Research organisaton