Full TGIF Record # 268411
Item 1 of 1
DOI:10.1016/j.cropro.2015.08.008
Web URL(s):http://www.sciencedirect.com/science/article/pii/S0261219415300843
    Last checked: 02/02/2016
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Ghanizadeh, Hossein; Harrington, Kerry C.; James, Trevor K.
Author Affiliation:Ghanizadeh and Harrington: Institute of Agriculture and Environment, Massey University, Palmerston North; James: AgResearch, Ruakura Research Centre, Hamilton, New Zealand
Title:Glyphosate-resistant Lolium multiflorum and Lolium perenne populations from New Zealand are also resistant to glufosinate and amitrole
Source:Crop Protection. Vol. 78, December 2015, p. 1-4.
Publishing Information:Amsterdam, The Netherlands: Elsevier Science
# of Pages:4
Keywords:TIC Keywords: Amitrole; Application rates; Comparisons; Disease susceptibility; Glufosinate; Glyphosate; Herbicide evaluation; Herbicide resistance; Lolium multiflorum; Lolium perenne; Weed control
Geographic Terms:New Zealand
Abstract/Contents:"This study examined if glyphosate-resistant populations of Lolium multiflorum and Lolium perenne from some New Zealand vineyards were still susceptible to glufosinate and amitrole. The response of plants of one glyphosate-resistant population of L. multiflorum, population A, and two glyphosate-resistant L. perenne populations, populations J and O, to glufosinate and amitrole were evaluated and compared to susceptible populations in two dose-response experiments. Based on the herbicide rates giving 50% reduction in growth (GR50 values), populations A, J and O were 3.9, 4.5 and 3.8 times more resistant to glufosinate respectively, compared to the susceptible populations in a glufosinate dose-response experiment. Populations A, J and O were also found to be 2.9, 5.0 and 13.1 times more resistant to amitrole respectively, in an amitrole dose-response experiment. Very similar results were obtained when both dose-response experiments were repeated. This is the first confirmed report of weed species that have developed multiple-resistance to glyphosate, glufosinate and amitrole. These are the three main herbicides currently used for weed control in New Zealand vineyards."
Language:English
References:11
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ghanizadeh, H., K. C. Harrington, and T. K. James. 2015. Glyphosate-resistant Lolium multiflorum and Lolium perenne populations from New Zealand are also resistant to glufosinate and amitrole. Crop Prot. 78:p. 1-4.
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DOI: 10.1016/j.cropro.2015.08.008
Web URL(s):
http://www.sciencedirect.com/science/article/pii/S0261219415300843
    Last checked: 02/02/2016
    Access conditions: Item is within a limited-access website
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