2.6.4. Disease symptom development
The typical symptoms of bacterial wilt were monitored daily in
disease severity scores from 0 to 5 with 0 = no wilt symptoms,
1 = one leaf wilted, 2 = two leaves wilted, 3 = three leaves wilted,
4 = wilting of all leaves without tip and 5 = wilting of the whole
plant, plant death. The symptoms were evaluated for four weeks
from the day of first symptom appearance.