-Disease has been
reported from the four districts of Sikkim.
Disease Incidence
-Low
Site of Infection
- Fruit and shoot
Dissemination of the Disease
- It is a seed-borne and
soil borne disease.
Symptoms The disease appear in
two forms :-
a) die back
b) fruit rot
Die-back: symptom of water soaked nacrotic infection causes
the death of the tender twigs and entire branches from top
to bottom.
Fruit rot: green fruits are less affected than the red
ripened fruits. The tissues shrink irregularly at different
portion of fruit.On the lesion numerous black dots acervuli develop.
Favourable environmental condition for
disease High
relative humidity more than 85% together with temperature
more than 30 degree centigrade is favourable for the
pathogen activity. High dose of nitrogen in is also
responsible for the disease out break.
Mode of Transmission
The
pathogen is seed borne as well as soil borne.
Life cycle of
Organism -
-
Plant Protection
Measures Destroy the infected plant debris to avoid perpetuation of
the fungus.Hot water treatment of seed at 50 degree centigrade for
about 25 mins.
