Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/11531
Title: Barnyard grass responses to glyphosate - the importance of morphological traits
Contributor(s): Keenan, Michelle Dorothy (author); Walker, S (author); Widderick, M (author); Sindel, Brian Mark (author)orcid ; Taylor, I (author)
Publication Date: 2008
Handle Link: https://hdl.handle.net/1959.11/11531
Abstract: The genus 'Echinochloa' includes the species 'E. colona' (L.) Link and 'E. crus-galli' (L.) Beauv. Both are common summer weeds in farming systems of the northern grain region of Australia. Commonly referred to as barnyard grasses, these species are widespread problems within the region. Glyphosate is commonly relied upon for fallow control of these species. However, farmers are achieving variable control of barnyard grass with glyphosate. In addition, management of barnyard grass in Australia has become an important issue due to the development of populations resistant to glyphosate. Barnyard grass populations are variable in morphology and this may be a cause for differences in glyphosate efficacy. Field surveys found that within populations, individual plants had differences in characteristics such as growth form, culm thickness, and the presence/absence of banding on the leaves. Plants were categorised into one of five growth forms: erect, semi-erect, or prostrate and two intermediary forms, semi-erect/erect or semi-erect/prostrate. The aim of this study was to assess the relationship between plant morphology and their response to glyphosate.
Publication Type: Conference Publication
Conference Name: 16th Australian Weeds Conference, Cairns, Australia, 18th - 22nd May, 2008
Source of Publication: 16th Australian Weeds Conference Proceedings: Weed Management 2008 - Hot Topics in the Tropics, p. 121-121
Publisher: Queensland Weeds Society
Place of Publication: Brisbane, Australia
Field of Research (FOR): 070308 Crop and Pasture Protection (Pests, Diseases and Weeds)
HERDC Category Description: E3 Extract of Scholarly Conference Publication
Other Links: http://www.caws.org.au/awc/2008/awc200811211.pdf
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