Rhizoctonia theobromae(ONCOTH)
Distribution details in Brazil (Amapa)
Current pest situation evaluated by EPPO on the basis of information dated
2025: Present, few occurrences
First recorded in: 2023
Pest status declared by NPPO: Present, not widely distributed and under official control (2025-07)
First recorded in: 2023
Pest status declared by NPPO: Present, not widely distributed and under official control (2025-07)
EPPO Reporting Service (2025/048) : emerging disease in cassava.
* Alves Santos de Oliveira S, Sheat S, Margaria P, Lopes Lima A, de Araújo dos Santos J, Rocha HS, Fleck da Silveira H, Ramos de Jesus C, Winter S (2025) Rhizoctonia theobromae associated with a severe witches’ broom outbreak in cassava of the Brazilian rainforest and evidence of its Southeast Asian origin. bioRxiv https://doi.org/10.1101/2025.02.14.638269 [not peer reviewed]
* EMBRAPA (2024-08-15) Nota Técnica 10729769. Notificação de Nova Doença - ‘Vassoura de Bruxa’ da mandioca causada por Ceratobasidium theobromae (Rhizoctonia theobromae) no Brasil. 5pp. https://www.embrapa.br/en/busca-de-noticias/-/noticia/91690274/embrapa-identifica-primeiro-caso-de-vassoura-de-bruxa-da-mandioca-no-brasil
* EMBRAPA (2024-08-15) Nota Técnica 10729769. Notificação de Nova Doença - ‘Vassoura de Bruxa’ da mandioca causada por Ceratobasidium theobromae (Rhizoctonia theobromae) no Brasil. 5pp. https://www.embrapa.br/en/busca-de-noticias/-/noticia/91690274/embrapa-identifica-primeiro-caso-de-vassoura-de-bruxa-da-mandioca-no-brasil
| Country | State | Status | |
|---|---|---|---|
| French Guiana | Present, no details | ||
| Suriname | Present, no details |