Phyllachora maydis(PHYRMA)
Distribution details in Canada
Current pest situation evaluated by EPPO on the basis of information dated
2021: Present, restricted distribution
First recorded in: 2020
From CABI Disease map 1295 (2023): Present, restricted distribution
First recorded in: 2020
From CABI Disease map 1295 (2023): Present, restricted distribution
EPPO Reporting Service (2022/028) : first found in Southern Ontario in 2020.
first found in Quebec in 2024.
first found in Quebec in 2024.
* Canadian Plant Disease Survey 2025 Volume 105 (2025) Canadian Journal of Plant Pathology, 47(sup1), S1–S237. https://doi.org/10.1080/07060661.2025.2509388
-------Eastern Ontario.
* Cayer E, Duval B, Samson V, Dionne A (2025) La tache goudronneuse du maïs. Fiche technique Grandes cultures. Réseau d'avertissements phytosanitaires. https://www.agrireseau.net/documents/Document_118046.pdf
* ipmPIPE (2025) Tar spot. https://corn.ipmpipe.org/tar-spot/
* Rocco da Silva C, Check J, MacCready JS, Alakonya AE, Beiriger R, Bissonnette KM, Collins A, Cruz CD, Esker PD, Goodwin SB, Malvick D (2021) Recovery plan for tar spot of corn, caused by Phyllachora maydis. Plant Health Progress 22, 256-616. https://doi.org/10.1094/PHP-04-21-0074-RP
-------Eastern Ontario.
* Cayer E, Duval B, Samson V, Dionne A (2025) La tache goudronneuse du maïs. Fiche technique Grandes cultures. Réseau d'avertissements phytosanitaires. https://www.agrireseau.net/documents/Document_118046.pdf
* ipmPIPE (2025) Tar spot. https://corn.ipmpipe.org/tar-spot/
* Rocco da Silva C, Check J, MacCready JS, Alakonya AE, Beiriger R, Bissonnette KM, Collins A, Cruz CD, Esker PD, Goodwin SB, Malvick D (2021) Recovery plan for tar spot of corn, caused by Phyllachora maydis. Plant Health Progress 22, 256-616. https://doi.org/10.1094/PHP-04-21-0074-RP
| Country | State | Status | |
|---|---|---|---|
| United States of America | North Dakota | Present, no details | |
| United States of America | Present, restricted distribution | ||
| United States of America | Virginia | Present, no details | |
| United States of America | Maryland | Present, no details | |
| United States of America | South Dakota | Present, no details | |
| United States of America | Indiana | Present, no details | |
| United States of America | Minnesota | Present, no details | |
| United States of America | Missouri | Present, no details | |
| United States of America | Ohio | Present, no details | |
| United States of America | Wisconsin | Present, no details | |
| United States of America | Michigan | Present, no details | |
| United States of America | New York | Present, no details | |
| United States of America | Delaware | Present, restricted distribution | |
| United States of America | Florida | Present, no details | |
| United States of America | Georgia | Present, no details | |
| United States of America | Illinois | Present, no details | |
| United States of America | Iowa | Present, no details | |
| United States of America | Kansas | Present, restricted distribution | |
| United States of America | Kentucky | Present, no details | |
| United States of America | Nebraska | Present, no details | |
| United States of America | Pennsylvania | Present, no details |