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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 |
Publication Type:
| 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
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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 |
Note: | Equation Tables Graphs |
| 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 |
| MSU catalog number: b2337143 |
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