Now showing items 1-2 of 2

  • Biological control of scotch broom : pest watch 

    Andreas, Jennifer E. (Pullman, Washington : Washington State University. Extension., 2016-04)
    Scotch broom, Cytisus scoparius, is an invasive perennial shrub that displaces desirable species in pastures, roadsides, and forestlands. The state of Oregon estimates that, annually, $39 million is lost primarily in the ...
  • Collecting and releasing biological weed control agents in Washington state 

    Whaley, Dale K.; Andreas, Jennifer E. (Pullman, Washington : Washington State University. Extension., 2015-09)
    The Integrated Weed Control Project (IWCP) from Washington State University is a way for landowners and land managers to learn about biological weed control and to learn about biological agents available to suppress ...