Browsing Washington State University Extension by Author "Campbell, Joan M. (Weed scientist)"

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  • Integrated management of downy brome in winter wheat 

    Lyon, Drew J.; Hulting, Andrew Gerald; Barroso, Judit; Campbell, Joan M. (Weed scientist) (Pullman, Washington : Washington State University Extension, 2020-08)
    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 ...

  • Integrated management of feral rye in winter wheat 

    Lyon, Drew J.; Hulting, Andrew Gerald; Barroso, Judit; Campbell, Joan M. (Weed scientist) (Pullman, Washington : Washington State University Extension, 2020-06)
    Feral rye (Secale cereale L.), also known as volunteer or cereal rye, is a troublesome weed in winter wheat production systems in the low and intermediate rainfall zones of eastern Washington and Oregon and southern Idaho. ...