Goss’s wilt and leaf blight – a new disease in South African maize production

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Goss’s wilt and leaf blight is caused by Clavibacter nebraskensis, a bacterium that derives its name from the fact that the disease was first noted in the US state of Nebraska in 1969. The bacterium is therefore neither new nor unknown and has also been around in South Africa for a long time, albeit in other guises, such as tomato wilt that is caused by Clavibacter michiganensis subspecies michiganensis. Goss’s wilt in SA In South Africa, Goss’s wilt was first noted and reported early in the 2024 season. Most cases were found in Northwest, with some unconfirmed reports in Gauteng and on the Eastern Highveld. However, it is possible that the disease has been in the country since the early 2000s but that it remained undetected due to its symptoms…

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Star South Africa (Digital) - 1 Issue, 2025-03-20

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