Global ETD Search

1	Glyphosate-resistant Canada fleabane (Conyza canadensis (L.) Cronq.) in Ontario: Distribution and Control in Soybean (Glycine Max (L.) Merr.) Byker, Holly P. 25 April 2013 (has links) Canada fleabane is the second glyphosate-resistant (GR) weed species to be confirmed in Ontario. In 2010, GR populations were identified at eight sites in Essex County. In 2011 and 2012, 147 additional sites across eight counties were confirmed to be resistant. Twelve and seven sites were identified with multiple resistance (glyphosate and cloransulam) in 2011 and 2012, respectively, across five counties. In soybeans, preplant tankmixes of glyphosate (900 g a.e.ha-1) plus saflufenacil (25 g a.i. ha-1), saflufenacil/dimethenamid-p (245 g a.i. ha-1), metribuzin (1120 g a.i. ha-1), or flumetsulam (70 g a.i. ha-1) provided greater than 87% up to 8 weeks after application (WAA). Glyphosate rates 21 to 48X the label rate (900 g a.e. ha-1) were required for 95% control. Postemergence tankmixes did not provide acceptable control. In dicamba-tolerant soybean, dicamba applied preplant at 600 g a.e. ha-1 provided the most consistent control of GR Canada fleabane. / Monsanto Canada Inc., Grain Farmers of Ontario, Agricultural Adaptation Council Canada fleabane glyphosate resistance multiple resistance cloransulam dicamba soybean survey preplant herbicides postemergence herbicides
2	Investigations into Multiple–Herbicide-Resistant <i>Ambrosia artemisiifolia</i> (Common Ragweed) in Ohio and Glyphosate-Resistance Mechanisms Parrish, Jason Thomas 14 May 2015 (has links) No description available. Agriculture Agronomy Agricultural Chemicals Molecular Biology Plant Biology Ambrosia artemisiifolia common ragweed glyphosate resistance immunoblot dose-response fomesafen cloransulam-methyl EPSPS translocation 31P nuclear magnetic resonance NMR PCR
3	Characterization and Management of Glyphosate-Resistant Giant Ragweed (<i>Ambrosia trifida</i>(L.) and Horseweed [<i>Conyza canadensis</i> (L.) Cronq.] Stachler, Jeff Michael 29 July 2008 (has links) No description available. Agricultural Chemicals Agriculture Agronomy giant ragweed <i>Ambrosia trifida</i> horseweed <i>Conyza canadensis</i> herbicide resistance multiple resistance glyphosate ALS-inhibiting herbicides cloransulam paraquat 2,4-D metribuzin glyphosate-resistant characterization

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