Notification of the change in status of Clavibacter michiganensis subsp. nebraskensis, Goss’ Wilt on maize, in the Republic of South Africa

Fecha de publicación

Mié, 08 Abr 2026, 10:39

Última actualización

Abr. 8, 2026, 10:39 a.m.

Número del informe

ZAF-61/1

País

South Africa

Plaga identificada

Clavibacter michiganensis subsp. nebraskensis - (CORBNE)

Estado del informe

Final

Hospederos

Zea mays

Pest Status (ISPM 8 - 2021)

• Present: not widely distributed and under official control

Distribución geográfica

Upon conducting a delimiting survey for Clavibacter michiganensis subsp. Nebraskensis, further infested provinces were discovered. Therefore, the geographic distribution of the disease in the country is as follows: Eastern Cape, Free State, Gauteng, Limpopo, Mpumalanga, Northern Cape, North West, and Western Cape.

Resumen

In 2024, Clavibacter michiganensis subsp. nebraskensis was detected in the four (4) provinces in South Africa, namely the Free State, North West, Gauteng and Eastern Cape. Upon conducting a delimiting survey, to determine the extent of spread of the disease, the organism was detected in four (4) further provinces. The pest is currently considered present in eight (8) provinces, Eastern Cape, Free State, Gauteng, Limpopo, Mpumalanga, Northern Cape, North West, and Western Cape.

Peligro

Potential establishment of Clavibacter michiganensis subsp. nebraskensis in the country may have negative impacts on maize production, which in turn may threaten food security. The Department of Agriculture (DoA) and its collaborators are continuing with research in developing management strategies for the pest to support local maize producers.

Contacto para obtener más información

Ms Maria Mafadza Department of Agriculture Private BagX14 Gezina 0031

Archivos de informes

Notification of the change in status of Clavibacter michiganensis subsp. nebraskensis, Goss’ Wilt on maize, in the Republic of South Africa

Sitio web

Palabras claves del tema

Delimiting survey Phytosanitary Measures Risk Management

Palabras clave del producto

Maize or corn