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| DOI: | 10.4141/P97-119 |
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| Web URL(s): | http://pubs.aic.ca/doi/pdfplus/10.4141/P97-119
Last checked: 10/01/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Hill, B. D.;
Moyer, J. R.;
Inaba, D. J.;
Doram, R. |
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| Author Affiliation: | Research Centre, Agriculture and Agri-Food Canada, Box 3000, Lethbridge, Alberta Canada T1J 4B1 |
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| Title: | Effect of moisture on quinclorac dissipation in Lethbridge soil |
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| Source: | Canadian Journal of Plant Science. Vol. 78, No. 4, October 1998, p. 697-702. |
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| Publishing Information: | Ottawa: Agricultural Institute of Canada |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Quinclorac; Persistence; Herbicide residues; Leaching; Phytotoxicity; Soil moisture
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| Abstract/Contents: | "This study examined the dissipation and carry-over of quinclorac residues in a Lethbridge sandy clay loam with 2% organic matter. Experiments were conducted in covered outdoor lysimeters using different simulated rainfall regimes. Quinclorac residues were monitored in the top 10 cm of soil using chemical residue analysis and the activity of carried-over residues assessed by bioassay. Quinclorac dissipation was very slow although, in general, the amount of residue remaining decreased with increased moisture (117-447 mm) applied. Forty-eight weeks after quinclorac application, 85, 66, 52, 49, and 48% of initial residues remained in the very, dry, dry, normal, wet and very wet moisture regimes, respectively. Residue persistance could be accurately predicted (rā= 0.96) using a simple moisture model (% quinclorac remaining = 101% - 0.18 x mm cumulative moisture) for up to 300 mm moisture. Quinclorac dissipation was attributed mostly to the residues leaching through 9.7-cm deep soil columns when 304 mm of water was applied. The quinclorac residues remaining after 48 wk were biologically available and caused injury to fababeans (Vicia faba L.) under all moisture regimes." |
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| Language: | English |
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| References: | 10 |
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| Note: | Note: The abstract also appears in French.
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hill, B. D., J. R. Moyer, D. J. Inaba, and R. Doram. 1998. Effect of moisture on quinclorac dissipation in Lethbridge soil. Can. J. Plant Sci. 78(4):p. 697-702. |
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| DOI: 10.4141/P97-119 |
| Web URL(s):
http://pubs.aic.ca/doi/pdfplus/10.4141/P97-119
Last checked: 10/01/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 1 .C3 |
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