Controlling Rose Rosette Disease with Cultural and Chemical Methods
Windham, M. T., A. S. Windham, and F. A. Hale.  2017.  VII International Symposium on Rose Research and Cultivation, Session 7, Poster 8, Angers, France, July 2-7.

Rose rosette disease has destroyed thousands of roses in commercial and private gardens in the United States. The disease agent is a negative strand RNA virus, Rose Rosette Virus, and the virus is vectored by the eriophyid mite, Phyllocoptes fructiphilus. The only known remedy for this disease is to destroy symptomatic plants. We evaluated cultural and chemical control strategies to reduce the impact of this disease. Pruning to remove symptomatic canes at first detection of symptoms was ineffective for preventing other canes from becoming symptomatic on test plants. The use of Miscanthus sinensis as a green barrier, reduced incidence of rose rosette disease in test plots although once the disease became established in test plots, the rate of disease progression was similar to that observed in plots without barriers. Plants sprayed at 14 day intervals with Akari, Forbid, Kontos or Talstar did not develop symptoms whereas all control plants (sprayed with water) became symptomatic for the disease. Spray treatments of Avid+horticultural oil and Sevin were ineffective. The use of miticides for reducing the impact of rose rosette is promising. More research is need to determine when spraying should be triggered, how many sprays are needed, if spray intervals can be increased to reduce the amount of pesticide used and if spray intervals are the same for all miticides.