Barley grass control in a three year rotation at Esperance

2019

Research organisatons
Funding sources

Trial details

Researcher(s) N/A
Contact email catherine.borger@dpird.wa.gov.au
Contact phone 0467816082
Year(s) 2019
Contributor Department of Primary Industries and Regional Development WA
Trial location(s) Esperance, WA
Barley grass control in a three year rotation at Esperance locations
Aims

Barley grass is becoming an increasingly problematic weed in Western Australia. A GRDC funded project sought to increase adoption of integrated weed management tactics for barley grass, by working with grower groups to develop regionally appropriate rotations for optimal control. A survey indicated that in southwest Australia, many growers thought their barley grass was resistant to grass selective herbicides and may have developed late germination to avoid pre-seeding herbicides. In this area barley grass was a major problem in pastures, and often in break crops too.

 

A three year trial aimed to investigate pre-emergent herbicides and autumn tickle in wheat in 2019, pre-emergent herbicides and crop density in barley in 2020 and grass selective herbicides and crop topping in pasture in 2021.

Key messages

In 2019, herbicides ensured that barley grass density was low throughout the trial.

In spite of good crontrol in 2019, there was high barley grass density in 2020, potentailly from the 2019 seed production and dormant seed bank.

The 2020 use of Intercept® herbicide reduced barley grass across the whole trial, with higher crop yield following Intercept® at 500 mL/ha compared to 375mL/ha.

Lead research organisation South East Premium Wheat Growers Association
Host research organisation Department of Agriculture and Food WA
Trial funding source GRDC UOA1903-004SAX
Trial funding source DAFWA UOA1903-004SAX
Related program Demonstrating and validating the implementation of integrated weed management strategies to control barley grass in the low rainfall zone farming system
Acknowledgments

We would like to thank the Harris family for providing a site and running the trial, and Niki Curtis (SEPWA), Andrea Carmody (SEPWA), Greg Warren (Farm & General) and Pete Gray (DPIRD) for their assistance with the trial management and measurements. The trial was sponsored by BASF (who provided Luximax® herbicide).


Other trial partners University of Adelaide
Download the trial report to view additional trial information

Method

Crop type Cereal (Grain): Barley
Treatment type(s)
  • Herbicide: Type
Trial type
Trial design

Esperance 2019

Sow date 14 June 2019
Harvest date 18 November 2019
Plot size Not specified
Plot replication Not specified
Download the trial report to view additional method/treatment information
Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Esperance, WA Loamy clay
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Esperance, WA Sodosol
Soil Moisture Source: BOM/ANU
Average amount of water stored in the soil profile during the year, estimated by the OzWALD model-data fusion system.
Year Esperance WA
2019 417.7mm
2018 495.9mm
2017 516.8mm
2016 524.1mm
2015 445.2mm
2014 414.4mm
2013 496.3mm
2012 456.6mm
2011 435.4mm
2010 443.6mm
2009 483.9mm
2008 425.6mm
2007 468.0mm
2006 468.6mm
2005 445.7mm
2004 470.5mm
2003 454.5mm
2002 427.0mm
2001 446.3mm
2000 505.1mm
National soil grid Source: CSIRO/TERN
NOTE: National Soil Grid data is aggregated information for background information on the wider area
Actual soil values can vary significantly in a small area and the trial soil tests are the most relevant data where available

Soil properties

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Climate

Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Esperance WA

NOTE: Exact trial site locality unknown - Climate data may not be accurate
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Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.

Trial report and links

2019 trial report



Trial last modified: 17-03-2023 09:23am AEST