Northern Territory. Department of Primary Industry and Fisheries
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Agriculture; Tennant Creek Region; Periodicals
Northern Territory Government
Newsletter, Decenber 2014
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
DEPARTMENT OF PRIMARY INDUSTRY AND FISHERIES BARKLY BEEF | page 4 www.dpif.nt.gov.au The Tennant Creek office wish to thank the local pastoralists on the Barkly for their continual support, input into topics and willingness to host and send participants to these courses. It is envisaged these courses will continue to be offered for many years to come. Aerial trials for weed control in the Barkly Meg Humphrys, District Weeds Officer, Tennant Creek Most Barkly producers are probably aware of the Meat and Livestock Australia (MLA) funded Rubber Bush Project. The project began in 2010 and will finish up in May next year. Over the duration of the project much has been learnt about the ecology, spread and control options for this invasive plant. Rubber bush is recognised as a serious weed that impacts productive capacity in the Barkly. The NT Governments Department of Land Resource Management (DLRM), Weed Management Branch, in conjunction with other project partners aim to give producers the tools needed to reduce the threat rubber bush poses. The Tennant Creek office of the DLRM Weed Management Branch employed the expertise of two Dow Agro Sciences representatives, Ken Springall and Graham Fossett to trial the aerial application of granular herbicide, a method that has been very successful in Queensland. The Branch wanted to undertake aerial tebuthiuron (Graslan) trials in the Barkly region using Dow Agros specialised plane. If successful, the approach will provide a cost effective and highly efficient method of broad scale rubber bush control. Importantly there should be limited need to re-treat the area (with the exception of outliers) due to the residual capacity of the herbicide. While there may be some re-sprouting of rubber bush, the residual qualities of tebuthiuron should continue to impact the plants growth as well as stop any seedlings from regenerating. In early November DLRM Weed Management Officers headed out to Brunchilly Station north of Tennant Creek. There, the Officers met with Ken and Graham from Dow, as well as the pilots. Graham worked with the stations Assistant Manager; Luke Giblin to plot the trial location on Google Pro using previously L-R: Alister Trier, Casey Collier, Helen McMillan, Jodie Ward and Neil Macdonald with the award; The girls swapped their cowgirl boots and jeans for elegant gowns at the black-tie event, Equal runners-up accept their award from the Honourable Chief Minister, Adam Giles. Figure 1: (left) Image showing the rubber bush intrusions and the flight path of the plane showing the straight lines in light green the plane followed to ensure thorough coverage of the rubber bush site.