Ozonium Root Rot page 2

Generalized Life Cycle: ORR is present year round but it is most active and likely to be detected in summer months when air and soil temperatures are high.

REFERENCES:

• Prepared by Cherry Chandler, Arizona Department of Agriculture

Cotton Root Rot (Phymatotrichum omnivorum) in Low Desert ; The University of Arizona, Cooperative Extension, Maricopa County; last updated June 9, 1998; May 2004 web-site.
http://ag.arizona.edu/maric opa/garden/html/t-tips/diseases/root-rot.htm

Goldberg, Natalie P .; Phymatotrichum Root Rot, Guide A0229; Cooperative Extension Service, New Mexico State University; February 1999; May 2004 web-site.
http://www.cahe.nmsu.e du/pubs/_a/a-229.pdf
http://www.cahe.nmsu.edu/ pubs/_a/a-229.html

Olsen, Mary ; Cotton ( Texas) Root Rot; AZ1150, 2/2000; University of Arizona Cooperative Extension; May 2004 web-site.
http://ag.arizona.edu/pubs/diseases/az1150.pdf

Olsen, Mary and Jeffrey C. Silvertooth ; D iseases and Production Problems of Cotton in Arizona; Cooperative Extension, University of Arizona; published 2001; May 2004 web-site.
http://ag.arizona.edu/pubs/diseases/az1245/#prr

Phymatotrichopsis omnivora (Duggar) Hennebert, Data Sheets on Quarantine Pests ; CAB International in Association with EPPO; 1992; May 2004 web-site.
http://www.vaxteko.nu/html/sll/eppo /EDS/E-PHMPOM.HTM

Walla, Walter J. and Everett Janne, Controlling Cotton Root Rot on Ornamental Plants; TAEX L-2056, November 1982; Texas A and M University System; originally published as TAEX L-2056, November 1982; web-site.
http://aggie-horticulture.tamu.edu/plantanswers/publications/cottonrootrot/cotton.html