Among the crosses, CO 7
×
V. cauliflora exhibited the symptoms
from 120th day after transplanting which increased gradually and
reached the maximum score of 1.42 by 270th day after transplanting.
However the cross, CP 50
×
V. cauliflora did not show any
symptom till 120 days and the progenies expressed minor symptoms
from 150th day and recorded disease intensity score of 1.20
at harvest. In the case of cross involving Pusa Nanha
×
V. cauliflora,
no symptoms were noticed till 120 days. F2 progenies of Pusa
Nanha
×
V. cauliflora showed minor symptoms (0.3) at 150th day
after transplantation. At harvest, the cross recorded a disease score
of 1.06 (Table 5).