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| DOI: | 10.1139/cjps-2019-0189 |
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| Web URL(s): | https://cdnsciencepub.com/doi/full/10.1139/cjps-2019-0189
Last checked: 03/19/2021
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Soltani, Nader;
Shropshire, Christy;
Sikkema, Peter H. |
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| Author Affiliation: | University of Guelph Ridgetown Campus, Ridgetown, ON, Canada. |
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| Title: | Control of annual ryegrass with spring-applied herbicides prior to seeding corn |
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| Source: | Canadian Journal of Plant Science. Vol. 100, No. 4, August 2020, p. 372-379. |
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| Publishing Information: | Ottawa, Ontario, Canada: Agricultural Institute of Canada |
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| # of Pages: | 8 |
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| Related Web URL: | https://cdnsciencepub.com/doi/abs/10.1139/cjps-2019-0189
Last checked: 03/19/2021
Notes: Abstract only |
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| Keywords: | Author-Supplied Keywords: Antagonism; Biomass; Corn; Glyphosate-resistant; Synergism; Yield; Lolium multiflorum Lam.
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| Abstract/Contents: | "Four field experiments were conducted over a 2 yr period (2017 and 2018) in Ontario to determine the control of annual ryegrass (ARG) seeded in the fall of 2016 and 2017 (as a cover crop) with spring-applied glyphosate alone and in a tankmixure with clethodim, fluazifop-P-butyl, quizalofop-P-butyl, sethoxydim, or saflufenacil prior to seeding glyphosate-resistant corn. The doses of glyphosate needed to provide 50%, 80%, and 90% control of ARG were 439, 1757, and >2700 g a.e. ha-1 at 3 wk after treatment application (WAA); 526, 2105, and >2700 g a.e. ha-1 at 4 WAA; and 703, >2700, and >2700 g a.e. ha-1 at 6 WAA, respectively. Glyphosate (1350 g a.e. ha-1 ) controlled ARG 27%, 61%, 77%, 72%, and 68% at 1, 2, 3, 4, and 6 WAA, respectively. The tankmix of glyphosate (1350 a.e. ha-1 ) with clethodim (30 g a.i. ha-1 ), fluazifop-P-butyl (125 g a.i. ha-1 ), quizalofop-P-ethyl (36 g a.i. ha-1 ), sethoxydim (150 g a.i. ha-1 ), or saflufenacil (25 g a.i. ha-1 ) controlled ARG as much as 82%, 79%, 82%, 84%, and 81%, respectively. ARG control with the tankmixes of glyphosate (1350 a.e. ha-1 ) with the Group 1 herbicides evaluated increased corn yield as much as 66%. Additionally, reduced ARG interference with the tankmix of glyphosate (1350 a.e. ha-1 ) +saflufenacil (25 g a.i. ha-1 ) increased corn yield 69%. The best control of ARG was achieved with high doses of glyphosate alone and glyphosate (1350 g a.e. ha-1 ) tankmixed with a Group 1 herbicide or saflufenacil." |
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| Language: | English |
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| References: | 27 |
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| Note: | Abstract also appears in French
Tables
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Soltani, N., C. Shropshire, and P. H. Sikkema. 2020. Control of annual ryegrass with spring-applied herbicides prior to seeding corn. Can. J. Plant Sci. 100(4):p. 372-379. |
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| DOI: 10.1139/cjps-2019-0189 |
| Web URL(s):
https://cdnsciencepub.com/doi/full/10.1139/cjps-2019-0189
Last checked: 03/19/2021
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2210781a |
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