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Herbicides to control poisonous Pimelea species (Thymelaeaceae)

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Silcock, R. G., Mann, M.B., Chow, S. and Vitelli, J. S. (2012) Herbicides to control poisonous Pimelea species (Thymelaeaceae). Crop Protection, 31 (1). pp. 99-106.

PDF (Silcock_CropProt_2012)

Article Link: http://dx.doi.org//10.1016/j.cropro.2011.09.013

Publisher URL: http://www.sciencedirect.com/science/article/pii/S026121941100305X#


Pimelea poisoning is an ongoing, periodically serious problem for cattle producers in inland Australia. The annual native plants of the Thymelaeaceae family that cause the problem are widespread and animal management is currently the main means of minimizing poisoning. However, there are situations in the higher rainfall parts of the natural distribution area of these plants where farming and quite intensive property development do occur and here the use of selective herbicides may be an option. This research looked for herbicides that could be considered for registration for Pimelea control, bearing in mind the large potential costs involved if used over large areas.

Group I hormone herbicides (for example 2,4-D) were quite effective as was metsulfuron-methyl and glyphosate at doses commonly registered for use on broad-leafed weeds. On the basis of minimizing costs and quickly suppressing seed-set, metsulfuron-methyl at 3.5e5 g a.i. ha1 and 2,4-D at 375e500 g a.i. ha1 were the most promising. Where medic (Medicago spp.) persistence is vital, 2,4-DB at 240e300 g a.i. ha1 could be used and glyphosate at 1 kg a.i. ha1 would be effective on fallowed ground if costwas not an overriding concern.

Item Type:Article
Business groups:Animal Science, Biosecurity Queensland
Additional Information:© Crown Copyright 2011
Keywords:Pimelea; poisoning; cattle; herbicides; 2,4-D; Metsulfuron-methyl; 2,4-DB, glyphosate; native plants ; animal management;
Subjects:Plant pests and diseases > Poisonous plants
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Science > Invasive Species > Plants > Effect of herbicides
Live Archive:19 Dec 2011 02:48
Last Modified:13 Apr 2023 02:32

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