What I experienced with my plants is this: The disease started on Rosso Siciliano, then spread onto beautiful Principe Borghese, then moved onto First Pick, then moved onto Moskvich. By the time most leaves of the Rosso Siciliano's turned purple and withered, its stem also turned a very light brown color, leaves of the Moskvich also started withering. So it spreads! If you are sure that this is a virus, I would say pull the plants. Or if they are in containers and easy to move, maybe isolate and spray them? But in other thread TVs said that whiteflies that cause the virus can migrate through long distances.
|