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dc.contributor.authorMetier, Emily P.
dc.contributor.authorLehnhoff, Erik A.
dc.contributor.authorMangold, Jane
dc.contributor.authorRinella, Matthew J.
dc.contributor.authorRew, Lisa J.
dc.date.accessioned2021-11-03T17:54:34Z
dc.date.available2021-11-03T17:54:34Z
dc.date.issued2019-11
dc.identifier.citationMetier, Emily P., Erik A. Lehnhoff, Jane Mangold, Matthew J. Rinella, and Lisa J. Rew. “Control of Downy Brome (Bromus Tectorum) and Japanese Brome (Bromus Japonicus) Using Glyphosate and Four Graminicides: Effects of Herbicide Rate, Plant Size, Species, and Accession.” Weed Technology 34, no. 2 (November 5, 2019): 284–291. doi:10.1017/wet.2019.112.en_US
dc.identifier.issn1550-2740
dc.identifier.urihttps://scholarworks.montana.edu/xmlui/handle/1/16526
dc.description.abstractNonnative annual brome invasion is a major problem in many ecosystems throughout the semiarid Intermountain West, decreasing production and biodiversity. Herbicides are the most widely used control technique but can have negative effects on co-occurring species. Graminicides, or grass-specific herbicides, may be able to control annual bromes without harming forbs and shrubs in restoration settings, but limited studies have addressed this potential. This study focused on evaluating the efficacy of glyphosate and four graminicides to control annual bromes, specifically downy brome and Japanese brome. In a greenhouse, glyphosate and four graminicides (clethodim, sethoxydim, fluazifop-P-butyl, and quizalofop-P-ethyl) were applied at two rates to downy brome plants of different heights (Experiment 1) and to three accessions of downy brome and Japanese brome of one height (Experiment 2). All herbicides reduced downy brome biomass, with most effective control on plants of less than 11 cm and with less than 12 leaves. Overall, quizalofop-P-ethyl and fluazifop-P-butyl treatments were most effective, and glyphosate and sethoxydim treatments least effective. Accessions demonstrated variable response to herbicides: the downy brome accession from the undisturbed site was more susceptible to herbicides than downy brome from the disturbed accession and Japanese brome accessions. These results demonstrate the potential for graminicides to target these annual bromes in ecosystems where they are growing intermixed with desired forbs and shrubs.en_US
dc.language.isoen_USen_US
dc.rights© This manuscript version is made available under the CC-BY-NC-ND 4.0 license.en_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0en_US
dc.titleControl of downy brome (Bromus tectorum) and Japanese brome (Bromus japonicus) using glyphosate and four graminicides: effects of herbicide rate, plant size, species, and accessionen_US
dc.typeArticleen_US
mus.citation.issue2en_US
mus.citation.journaltitleWeed Technologyen_US
mus.citation.volume34en_US
mus.identifier.doi10.1017/wet.2019.112en_US
mus.relation.collegeCollege of Agricultureen_US
mus.relation.departmentLand Resources & Environmental Sciences.en_US
mus.relation.departmentPlant Sciences & Plant Pathology.en_US
mus.relation.universityMontana State University - Bozemanen_US
mus.data.thumbpage5en_US


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