Glyphosate and 2,4-D amine resistance in common sowthistle (Sonchus oleraceus) and fleabane (Conyza bonariensis) in the northern grain growing region of Australia

Adam Jalaludin, Michael J. Widderick, John Broster, Michael J Walsh

Research output: Other contribution to conferenceAbstractpeer-review

Abstract

Common sowthistle (Sonchus oleraceus)and fleabane (Conyza bonariensis) are common andproblematic broadleaf weeds in the northern grainsregion, infesting fallows and crops throughout muchof the year. A heavy reliance is placed on knockdownherbicides such as glyphosate and 2,4-D for the controlof these weeds. As a result, resistance to glyphosate hasbeen confirmed in both species and both are at risk ofdeveloping resistance to 2,4-D. In response, a GRDC funded field survey has been conducted in winter and summer grain crops from late-2016 to early-2018 to determine the extent of glyphosate and 2,4-D resistance across the northern grain region. In total, more than 500 sites have been surveyed in New South Wales Glyphosate and 2,4-D amine resistance in common sowthistle (Sonchus oleraceus) and fleabane (Conyza bonariensis) in the Northern Grain growing region of Australia.
Original languageEnglish
Pages139-139
Number of pages1
Publication statusPublished - 2018
Event21st Australasian Weeds Conference 2018 - Novotel Sydney Manly Pacific, Manly, Australia
Duration: 09 Sep 201813 Sep 2018
https://www.21awc.org.au/
http://caws.org.nz/old-site/awc_contents.php?yr=2018 (conference proceedings)
https://abercrombie.eventsair.com/QuickEventWebsitePortal/21awc/21awc-web/Agenda (conference program)
https://grdc.com.au/events/list/2018/09/21st-australasian-weeds-conference-sydney

Conference

Conference21st Australasian Weeds Conference 2018
Abbreviated title"Weed biosecurity - Protecting our future"
Country/TerritoryAustralia
CityManly
Period09/09/1813/09/18
OtherThe Weed Society of New South Wales Inc., on behalf of the Council of Australasian Weed Societies Inc., will be hosting the 21st Australasian Weeds Conference in the popular Sydney beach side suburb of Manly from 9 - 12 September 2018.  An assortment of field trips will be hosted on Thursday 13 September 2018.

This biennial conference carries on a long tradition of bringing the weed management community together to discuss new developments and share information about cutting-edge and best weed management practices.

The conference attracts over 250 delegates from across Australasia and globally.  Delegates will come together to network with peers, engage with industry sponsors, listen and participate in presentations and field trips on a variety of topics including; 
- New technologies in weed management.
- Biological, mechanical, and chemical weed control and research.
- Herbicide resistance.
- Weeds of crops and pastures.
- Environmental weeds and Weeds of National Significance.
Internet address

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