NGN Roadside weed control from both sides of the fence: understanding limitations and motivations for management of roadside weeds to avoid resistance
Tender ID: 591408
Tender Details
Tender Description
Participants of NGN forums have raised that management of roadside weeds might be contributing to challenges with weeds dispersing into cropping paddocks. Warooka NGN forum attendees note a number of hard to control weeds make management difficult on farm including flax leaf fleabane, a prolific producer of wind-dispersed seed. Fleabane is tolerant of glyphosate when applied at advanced growth stages, which is a likely scenario when roadside weeds are controlled on a timeline, resulting in failure of control and/or selecting for resistant plants. Feather top Rhodes grass is another weed of concern making its way into paddocks. Langhorne Creek NGN Forum where proximity to small land holders, horticulture and viticulture, and the need to manage community relationships can inhibit effective roadside weed management due to the need for more complex integrated management strategies.
Document contact and enquiries
Attention: Lyndal Gordon
Grains Research and Development Corporation
Email: Lyndal.Gordon@grdc.com.au
Make all requests for further information or clarification in relation to this procurement in writing (email) prior to 26 August 2025.
GRDC will publish all requests and responses to requests on the GRDC website under Questions and Answers at the bottom of this webpage.
Location
New South Wales : Central West : Far North Coast : Far West : Hunter : Illawarra : Mid North Coast : Murray : New England : Orana : Riverina : Southern Highlands : Sydney
Queensland : Cairns & Far North Queensland : Gladstone : Mackay Whitsunday Region : Mount Isa & North West Region : Rockhampton : South East Queensland : South West & Darling Downs : The Central West : Townsville : Wide Bay Burnett
Victoria : Barwon South West : Gippsland : Grampians : Hume : Loddon Mallee : Melbourne
South Australia : Adelaide : Eyre & Western : Far North : Fleurieu & Kangaroo Island : Limestone Coast : Murray & Mallee : York & Mid North
Northern Territory : Barkly : Big Rivers : Central Australia : East Arnhem : Greater Darwin : Top End
Australian Capital Territory
Tasmania
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