Such affected plants are during a few days completely destroyed (dried to dust), not possible to find, while on the surviving individuals, the first visible effects appear after several days, rather weeks.
Mimea hiyo ni walioathirika Katika siku chache kabisa (kukaushwa kwa vumbi), si Inawezekana kupata, wakati juu ya Watu Waliopona, kwanza inayoonekana madhara baada ya kutokea siku kadhaa, badala ya wiki.