Pyroxsulam provided 70% control of downy brome at these stages. 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). Pyroxasulfone herbicides provided more than 80% control when assessed at 21 to 28, and 50 days after application of spring post herbicides. Whether it’s ventenata, medusahead or cheatgrass (downy brome), dealing with these species has grown in importance among rangeland managers. Rangeland-Pasture Recommendations . However, if the right weather conditions develop and you can prioritize a few key fields or pastures, consider a winter application. 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. In most cases, a nonselective, systemic herbicide should be used and multiple applications may be needed to effectively control brome grass. Cheatgrass Identification and Management . Plateau (imazapic) applied in the fall will control downy brome in pasture and rangeland. Additionally, many undesirable and noxious weeds and forbs will begin to move in as well. Commonly referred to as cheatgrass, (Bromus tectorum) it is also known as downy brome, downy cheat and bronco grass. In Canada, mixed populations of downy and Japanese brome can be found in southwestern Saskatchewan and Alberta, and plants can be … See the product label for a complete list. Mechanical. For alfalfa, Raptor is good choice for downy brome control in the winter. Selected forage crops control foxtail barley and downy brome in saline soils. It is widely distributed throughout the United States and has been reported to be the dominant species Annual brome has spread over native range, pasture land, disturbed soils and forests throughout the western United States. Hand-pulling small infestations may eliminate current seed production. Managing the soil seed bank of these invasive annual plants is now a reality. Herbicide Options Herbicide options for downy brome control in winter wheat include Maverick, Olympus, and Powerflex. Downy brome control. Downy brome is an early season grass and therefore could be used for early spring grazing. 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 a bromegrass or mixed pasture, Kentucky bluegrass, downy brome, and buffalo grass will begin to invade. 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. Box 1030, Swift Current, SK S9H 3X2, Canada. If an area is highly infested and dominated by downy brome, an option could be to use it in a grazing rotation. 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. Livestock should be removed from downy brome pastures before seed sets to prevent seeds from being transported to native pastures by animals. See the latest edition of the “North Dakota Weed Control Guide” (W253) for additional herbicides useful for downy brome control. 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