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Foliar herbicide control of sticky florestina (Florestina tripteris DC.)

McKenzie, J., Brazier, D., Campbell, S., Vitelli, J., Anderson, A. and Mayer, R. (2014) Foliar herbicide control of sticky florestina (Florestina tripteris DC.). The Rangeland Journal, 36 (3). pp. 259-265.

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Article Link(s): http://dx.doi.org/10.1071/RJ13091http://www.publis...

Publisher URL: http://www.publish.csiro.au/paper/RJ13091


Sticky florestina (Florestina tripteris DC.) is an annual exotic weed that has become naturalised near the townships of Tambo and Barcaldine in central western Queensland, Australia. Three experiments conducted near Barcaldine identified foliar herbicides effective in killing sticky florestina plants and in providing residual activity to reduce recruitment from the soil seed bank. An initial chemical screening experiment evaluated the efficacy of 28 herbicide treatments. The most promising herbicides were then further evaluated in two response-rate experiments. Overall, 2,4-D/picloram, aminopyralid/fluroxypyr, clopyralid, metsulfuron-methyl and triclopyr/picloram proved to be the most effective selective herbicides. Two of these, metsulfuron-methyl at 18 g active ingredient (a.i) ha–1 and 2,4-D + picloram at 900 g a.i. ha–1 + 225 g a.i. ha–1 have now been included in a minor use permit (PER11920) with the Australian Pesticides and Veterinary Medicines Authority (APVMA) for the control of sticky florestina in pasture, stock route, roadside and non-crop situations using both spot and boom-spray applications (APVMA 2010). The permit also allows the use of 2,4-D amine for the control of seedlings only.

Item Type:Article
Business groups:Biosecurity Queensland
Keywords:metsulfuron-methyl, picloram, rangelands, residual, triclopyr.
Subjects:Science > Invasive Species > Plants > Effect of herbicides
Plant pests and diseases > Weeds, parasitic plants etc
Deposited On:29 Jul 2014 04:26
Last Modified:29 Jul 2014 04:26

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