Table 1 Distribution of wheat blast disease across the world
Continent/Country/Region | Distribution | Last reported | Origin | First reported | Invasive | Reference | Notes |
|---|---|---|---|---|---|---|---|
Asia | |||||||
 Bangladesh | Present: widespread | 2020 | Introduced | 2016 | Yes | Islam et al. (2016); Malaker et al. (2016) | First recorded in the district of Kushtia, Meherpur, Chuadanga, Pabna, Jessore, Jhenaidah, Bhola and Barisal |
North America | |||||||
 USA | Infection occurred in only one spike in an experimental farm in Kentucky, USA which was successfully contained. | – | Host shift from Lolium | 2011 | No | Farman et al. (2017) | A gray leaf spot on annual & perennial ryegrass caused by wheat blast pathogen was recorded in 1970 and 1992. |
South America | |||||||
 Brazil | Present: widespread | 2020 | Host shift from a local host | 1985 | Yes | Igarashi et al. (1986) | Paraná |
 Bolivia | Present: widespread | 2020 | Introduced | 1996 | Yes | Barea and Toledo (1996) | Santa Cruz |
 Paraguay | Present: widespread | 2020 | Introduced | 2002 | Yes | Viedma and Morel (2002) | Alto Parana, Itapua, Caaguazu, Caazapa, Canindeyu and Guaira |
 Argentina | Present: widespread | 2020 | Introduced | 2007 | Yes | Cabrera and Gutiérres (2007) | Chaco and Corrientes |