Downy brome is an early season grass and therefore could be used for early spring grazing. Selected forage crops control foxtail barley and downy brome in saline soils. Mechanical. Whether it’s ventenata, medusahead or cheatgrass (downy brome), dealing with these species has grown in importance among rangeland managers. Lambient herbicide controls or suppresses a wide variety of grasses and broadleaf weeds, including downy brome, foxtail barley*, henbit*, Japanese brome, nightshade, rattail fescue*, ripgut brome, mustard species (black, blue, tansy, tumble, wild) and more. In a bromegrass or mixed pasture, Kentucky bluegrass, downy brome, and buffalo grass will begin to invade. Hand-pulling small infestations may eliminate current seed production. Pyroxsulam provided 70% control of downy brome at these stages. Downy brome (Bromus tectorum L.), a winter annual grass, is considered one of the most invasive non-native rangeland species in the United States.Although glyphosate, imazapic, and rimsulfuron are herbicides commonly recommended to control invasive, annual grasses, their performance is inconsistent and they can injure desirable perennial grasses. Downy Brome Control (G422) Winter annual bromes often invade thin or overgrazed pastures in fall and early spring. Harold Steppuhn, a Ken G. Wall, a Alan D. Iwaasa, a Robert E. Blackshaw, b Rob Dunn, c Dianne Westerlund d. a Semiarid Prairie Agricultural Research Centre, Agriculture and Agri-Food Canada, P.O. Box 1030, Swift Current, SK S9H 3X2, Canada. Pyroxasulfone herbicides provided more than 80% control when assessed at 21 to 28, and 50 days after application of spring post herbicides. Rangeland-Pasture Recommendations . Herbicide Options Herbicide options for downy brome control in winter wheat include Maverick, Olympus, and Powerflex. Additionally, many undesirable and noxious weeds and forbs will begin to move in as well. Plateau (imazapic) applied in the fall will control downy brome in pasture and rangeland. If an area is highly infested and dominated by downy brome, an option could be to use it in a grazing rotation. Rejuvra ® is a restoration herbicide that features a unique mode of action for rangeland providing long-lasting control of invasive annual grass and broadleaf weed species including cheatgrass, medusahead, ventenata and red brome. These grasses offer minimal forage value to livestock or wildlife, crowd out perennial forage grasses, and create monocultures ill-suited for grazing or habitat. In most cases, a nonselective, systemic herbicide should be used and multiple applications may be needed to effectively control brome grass. See the latest edition of the “North Dakota Weed Control Guide” (W253) for additional herbicides useful for downy brome control. In Canada, mixed populations of downy and Japanese brome can be found in southwestern Saskatchewan and Alberta, and plants can be … For alfalfa, Raptor is good choice for downy brome control in the winter. Annual brome has spread over native range, pasture land, disturbed soils and forests throughout the western United States. Managing the soil seed bank of these invasive annual plants is now a reality. Downy brome control. Commonly referred to as cheatgrass, (Bromus tectorum) it is also known as downy brome, downy cheat and bronco grass. Livestock should be removed from downy brome pastures before seed sets to prevent seeds from being transported to native pastures by animals. Cheatgrass Identification and Management . Downy brome can be controlled with the preemergence herbicide Siduron and post-emergent Sethoxydim (only for use in established fine fescue stands; tall fescue slightly tolerant). See the product label for a complete list. 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