Verticillium albo-atrum lucerne strains(VERTAL)
Distribution details in Canada
Current pest situation evaluated by EPPO on the basis of information dated
1993: Present, restricted distribution
From NPPO: Present, restricted distribution
From country itself (1992): widespread in Alberta, British Columbia, Ontario; local in Nova Scotia and Saskatchewan; recently reported in Québec (1987).
* Arny, D.C.; Grau, C.R. (1985) Importance of verticillium wilt of alfalfa in North America. Canadian Journal of Plant Pathology, 7, 187-190.
| Country | State | Status | |
|---|---|---|---|
| United States of America | Montana | Present, widespread | |
| United States of America | New York | Present, restricted distribution | |
| United States of America | Oregon | Present, widespread | |
| United States of America | Pennsylvania | Present, restricted distribution | |
| United States of America | Wisconsin | Present, widespread | |
| United States of America | Wyoming | Present, restricted distribution | |
| United States of America | Washington | Present, widespread | |
| United States of America | California | Present, few occurrences | |
| United States of America | Idaho | Present, restricted distribution | |
| United States of America | Illinois | Present, restricted distribution | |
| United States of America | Iowa | Present, restricted distribution | |
| United States of America | Maryland | Present, few occurrences | |
| United States of America | Michigan | Present, restricted distribution | |
| United States of America | Minnesota | Present, restricted distribution | |
| United States of America | Present, restricted distribution |