How do I control bermudagrass (Cynodon dactylon) in a home lawn in Frederick County Virginia?
Date of Correspondence: April 12, 2004 Website Resources: http://cynodon.dactylon.turfweeds.net http://www.ppws.vt.edu/scott/weed_id/cynda.htm Recommendation: The only products available for selective control of bermudagrass in a cool-season lawn like tall fescue or KY bluegrass can only be used by professionals (fluazifop, Ornamec or Fusilade TOR). Typically, multiple treatments are needed in spring and fall for a duration of at least two years to control bermudagrass in the lawn. Alternatively, the lawn can be renovated using glyphosate (Roundup). However, at least three treatments should be applied at monthly intervals (e.g. June15, July 15, and August 15) before seeding or sodding the lawn around early September. This treatment will completely kill the lawn but keep watering during drought. The goal is to encourage the bermudagrass to sprout from underground rhizomes prior to the sequential treatment. This system requires the lawn to be dead for three months but is the most effecti