Deny Disease

Web Resources for Reducing New Plant Disease Risks

Robin Rosetta, Oregon State University

General New Disease Risk and Risk Reduction:

Bostok, R. 2012. National Plant Diagnostic Network. 17 October 2012.

Griesbach, J.,  J. Parke, G. Chastagner, N. Grünwald and J. Aguirre.2012.  Safe Procurement and Production Manual. Oregon Association of Nurseries. Revised Jan. 2012.

NAPPO. 2012. North American Plant Protection Organization Phytosanitary Alert System. 17 October 2012.

Pscheidt, J. W., and C. M. Ocamb, Senior Editors. 2012. Pacific Northwest Plant Disease Management Handbook. Oregon State Extension Service. 17 October 2012.


Impatiens Downy Mildew

Anon. 2012.  Controlling Downy Mildew on Impatiens walleriana. American Floral Endowment. 17 October 2012

Hausbeck, M. and M. Daughtrey. 2012 Impatiens Downy Mildew Prevention and Treatment. Michigan State University Extension. 18 March 2012.

Pscheidt, J. 2012. Impatiens Downy Mildew. PNW Plant Disease Handbook. 17 October 2012.  

Warfield, C. 2012. Impatiens Downy Mildew: Guidelines for Growers. Ball Horticulture. 12 August 2012.

Warfield, C.Y. 2011. Downy mildew of Impatiens. GrowerTalks.  21 December 2011.

Warfield, C. and N. Rechcigl.  2012.  Impatiens Downy Mildew: Looking Ahead to 2013. ANLA. 16 October 2012

Warfield, C. 2012. The Ups and Downs of Impatiens Downy Mildew. Southern Region IPM Webinar Series.  <   5 April 2012.


Box Blight

ANLA. Nursery Industry Voluntary Best Management Practices for Cylindrocladium pseudonaviculatum (Boxwood Blight).  ANLA, HRI, NPB. Version 1.1   17 October 2012

Douglas, S. 2011. Boxwood Blight: A New Disease For Connecticut and the U.S. The Connecticut Agricultural Experiment Station. December 2011.

Ganci, M.,  D. M. Benson and K. L. Ivors. 2012. Susceptibility of Commercial Boxwood Varieties to Cylindrocladium buxicola. North Carolina State University Extension. 17 October 2012.

Ivors, K. and M. Munster. 2012. Treatments used for sanitizing tools, equipment, cultivation surfaces, and other related items.

Ivors,K. and A.LeBude. 2011. A new pest to the U.S. Ornamental Industry: The “box blight” pathogen, Cylindrocladium pseudonaviculatum = Cylindrocladium buxicola. 17 October 2012.

Pscheidt, J. 2012. Box Blight, PNW Plant Disease Management Handbook.  17 October 2012.


Ivors, K. 2011. Boxwood Blight. Southern Region IPM Webinar Series. 5 April 2011.

Ivors, K. 2012. Boxwood Blight Update. ANLA. 17 October 2012.


Page last modified 10/17/12