Verticillium albo-atrum lucerne strains(VERTAL)
Distribution details in United States of America
Current pest situation evaluated by EPPO on the basis of information dated
1992: Present, restricted distribution
Widespread in Montana, Oregon, Washington, Wisconsin; local in Idaho, Illinois, Iowa, Michigan, Minnesota, New York, Pennsylvania, Wyoming; recently reported in California (1989) and Maryland (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 | |
|---|---|---|---|
| Canada | Alberta | Present, widespread | |
| Canada | Nova Scotia | Present, restricted distribution | |
| Canada | Québec | Present, few occurrences | |
| Canada | Ontario | Present, widespread | |
| Canada | Saskatchewan | Present, restricted distribution | |
| Canada | British Columbia | Present, widespread | |
| Canada | Present, restricted distribution |