Results 31 to 40 of about 815 (193)

Determination of the Mechanisms of MCPA Resistance in <i>Amaranthus powellii</i>. [PDF]

Plant Direct
ABSTRACT Resistance to 2‐methyl‐4‐chloro‐phenoxyacetic acid (MCPA) was recently confirmed in a population of green pigweed (Amaranthus powellii) from Dresden, Ontario, Canada, with a resistance factor of 4.4. Resistance to synthetic auxin herbicides in Amaranthus species has previously been linked to non‐target site resistance mechanisms with low‐level
Aicklen I, Jugulam M, Gaines T, Kramer W, Laforest M, Robinson D, Sikkema P, Tardif F.   +7 more
europepmc   +2 more sources

Evaluation of single versus multiple site of action preemergence herbicides for waterhemp and giant ragweed control in Wisconsin soybean

Agrosystems, Geosciences & Environment
The use of preemergence (PRE) herbicides with soil residual activity is recognized as an effective strategy for early‐season weed management in Midwest US soybean [Glycine max (L.) Merr.] production. The efficacy of soybean PRE herbicides with single and
Rodrigo Werle, Ryan P. DeWerff, Nicholas J. Arneson, Daniel H. Smith, Ahmadreza Mobli   +4 more
doaj   +2 more sources

A system approach for waterhemp (Amaranthus tuberculatus) management in soybean–sugar beet rotation

Weed Technology
Effective waterhemp management in crop rotations that include sugar beet requires a proactive approach, starting with robust weed management in the preceding crop.
Navjot Singh, Thomas J. Peters, Seth L. Naeve, David A. Nicolai, Ryan P. Miller, Debalin Sarangi   +5 more
doaj   +2 more sources

Mapping of flumioxazin tolerance in a snap bean diversity panel leads to the discovery of a master genomic region controlling multiple stress resistance genes [PDF]

Frontiers in Plant Science
IntroductionEffective weed management tools are crucial for maintaining the profitable production of snap bean (Phaseolus vulgaris L.). Preemergence herbicides help the crop to gain a size advantage over the weeds, but the few preemergence herbicides ...
Ana I. Saballos, Matthew D. Brooks, Patrick J. Tranel, Martin M. Williams   +3 more
doaj   +2 more sources

Glyphosate- and multiple-resistant waterhemp (Amaranthus tuberculatus var. rudis) in Ontario, Canada [PDF]

Canadian Journal of Plant Science, 2017
Waterhemp is one of the most troublesome weeds in the US and is spreading into Ontario. In 2014, a waterhemp population was not controlled with glyphosate in a field in Lambton County, Ontario. This population was the first confirmed glyphosate-resistant (GR) waterhemp in Canada.
Schryver, Mike, Soltani, Nader, Hooker, David C., Robinson, Darren E., Tranel, Patrick, Sikkema, Peter H   +5 more
openaire   +2 more sources

Area treated and waterhemp control in soybean with ONE SMART SPRAY technology

Weed Technology
Emerging targeted herbicide application technologies, such as the ONE SMART SPRAY system (a joint venture of Bosch, Gerlingen, Germany; and BASF Corporation, Research Triangle Park, NC), enable postemergence herbicide application only where weeds are ...
Zaim Ugljic, Ahmadreza Mobli, Ryan DeWerff, Isaac Barnhart, Anita Dille, Christopher Proctor, Greg Kruger, Kalvin Miller, Rodrigo Werle   +8 more
doaj   +2 more sources

Carfentrazone-ethyl resistance in an Amaranthus tuberculatus population is not mediated by amino acid alterations in the PPO2 protein. [PDF]

PLoS ONE, 2019
To date, the only known mechanism conferring protoporphyrinogen IX oxidase (PPO)-inhibitor resistance in waterhemp (Amaranthus tuberculatus) is a glycine deletion in PPO2 (ΔG210), which results in cross-resistance to foliar PPO-inhibiting herbicides ...
Olivia A Obenland, Rong Ma, Sarah R O'Brien, Anatoli V Lygin, Dean E Riechers   +4 more
doaj   +2 more sources

Control and Distribution of Herbicide Resistant Waterhemp (Amaranthus tuberculatus) in Ontario [PDF]

, 2019
Field surveys were conducted in 2016, 2017 and 2018 to build on previous distribution research. Waterhemp was located at 42 additional locations in seven Ontario counties and the province of Quebec. Greenhouse testing of populations collected between 2014 and 2017 has shown that 100% of the populations are resistant to Group 2 herbicides, 83% to Group ...
Benoit, Lauren
openaire   +2 more sources

Acetolactate Synthase Resistance in a Common Waterhemp (Amaranthus rudis) Population

Weed Technology, 1997
Research was initiated to determine (a) whether a common waterhemp population was resistant to acetolactate synthase (ALS) inhibiting herbicides, (b) the percentage of the population that was ALS-inhibitor resistant, (c) the resistance mechanism, and (d) the effectiveness of a whole plant assay to detect ALS-inhibitor resistance.
John R. R. Hinz, Micheal D. K. Owen
openaire   +2 more sources

Changing landscape of waterhemp herbicide resistance in Wisconsin: a comparative analysis over time

Weed Technology
A comprehensive assessment of herbicide resistance in waterhemp accessions to herbicides commonly used on corn and soybean over time is crucially necessary for documenting shifts in herbicide resistance patterns and identifying effective management ...
Luma Lorena Loureiro S. Rodrigues, Ahmadreza Mobli, Felipe de Andrade Faleco, Rodrigo Werle   +3 more
doaj   +2 more sources