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Harvest weed seed control: is there a role in northern region farming systems?

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Widderick, M. J., Keenan, M. and Walsh, M. (2014) Harvest weed seed control: is there a role in northern region farming systems? In: 19th Australasian Weeds Conference, September 2014, Tasmanian Weed Society, Hobart, Tasmania.

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Harvest weed seed control (HWSC) is a new approach which targets weed seed removal and/or destruction during the crop harvest operation. The success of HWSC is dependant upon weed seed retention at harvest. To identify and define the potential value of HWSC in northern farming systems, we
conducted a field survey. In total 1400 transects across 70 paddocks assessed weed distribution, density and seed production at harvest time in wheat, chickpea and sorghum crops. Seventy weed species were identified, of which many had large seed numbers retained at crop harvest. The most prevalent included common sowthistle, flaxleaf fleabane, awnless barnyard grass, wild oat, and African turnip weed. Our field survey has shown there is a role for HWSC in the northern farming system. Therefore the efficacy of specific HWSC systems on problematic weeds should be evaluated in
the northern region.

Item Type:Conference or Workshop Item (Paper)
Business groups:Crop and Food Science
Keywords:Harvest, weed seed, northern region
Subjects:Plant pests and diseases
Science > Invasive Species > Plants > Biological control
Plant pests and diseases > Weeds, parasitic plants etc
Live Archive:22 Oct 2014 00:38
Last Modified:23 Feb 2023 01:13

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