A new, very dangerous cabbage disease

© Denis and Yulia Pogostins – 123RF.com

At the time of writing, there is uncertainty as to what pathogen causes the disease. Initially, it was declared to be a phytoplasma, a bacterium with a membrane instead of a cell wall, but subsequent tests have questioned this. Hopefully it will soon be identified so that control measures can be formulated. In the meantime, the disease has been named 'brassica stunting disorder' (BSD).

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