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

Date de publication

mer, 08 Avr 2026, 10:39

Dernière mise à jour effectuée le

avr. 8, 2026, 10:39 matin

Report Number

ZAF-61/1

Pays

South Africa

Identité de l'organisme nuisible

Clavibacter michiganensis subsp. nebraskensis - (CORBNE)

Situation du signalement

Final

Hôtes

Zea mays

Pest Status (ISPM 8 - 2021)

• Present: not widely distributed and under official control

Distribution géographique

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.

Résumé

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.

Danger

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.

Contact pour demandes d'information

Ms Maria Mafadza Department of Agriculture Private BagX14 Gezina 0031

Fichiers de rapports

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

Site web

Mots-clés associés au thème

Delimiting survey Phytosanitary Measures Risk Management

Mots-clés associés à la marchandise

Maize or corn