16 research outputs found

    Rattail fescue : biology and management in Pacific Northwest wheat cropping systems

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    Farmers are discovering that weed management practices must be adjusted to control species previously susceptible to tillage as direct-seed wheat production practices become more widely adopted to conserve soil and water resources. Rattail fescue (Vulpia myuros) is an example, as this grass is becoming an increasingly common weed in wheat-based cropping systems across the Pacific Northwest (PNW). Rattail fescue has been a management problem in southern Australian pastures and wheat-based cropping systems since the mid-1980s, and more recently it has become particularly widespread in PNW wheat-cropping systems as minimum-tillage and direct-seeding practices have become commonplace throughout the region

    Integrated management of downy brome in winter wheat

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    Downy brome (Bromus tectorum L.), also known as cheatgrass, is especially troublesome in low precipitation production areas where crop rotations are mostly limited to winter wheat followed by a year of summer fallow. The invasive weed is best controlled with a combination of management tools to reduce a plant population to an acceptable level while preserving the quality of natural resources

    Integrated management of Mayweed Chamomile in wheat and pulse crop production systems

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    Mayweed chamomile (Anthemis cotula) is a troublesome weed in small grain and pulse crops throughout the high rainfall zones of the Inland Pacific Northwest (PNW). It is an annual that can germinate in the fall or spring and that reproduces only by seed. Individual plants can produce as many as 17,000 seeds, and seed remain viable in the soil for many years. Preventing seed production is the key to managing mayweed chamomile! While herbicides are an effective tool for mayweed chamomile control, herbicide-resistant biotypes are an increasing concern. An integrated management approach is required for the sustainable, long-term control of this species
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