last year my Blueberries (about 400) developed what I think is Twig Blight and now I need a remedy and any information as to names of spray I can use to stop it from spreading would be appreciated .
Stevens County Washington
Washington State University has several excellent resources you can access. Contact your local county Extension office or look at the many web resources such as
I suspect the problem is mummy berry, but it could be Botrytis, Phomopsis, or Botryosphaeria. Knowing which one is important for management options. You should consider submitting a sample to the WSU Plant Diagnostic Clinic.