Identification symptoms
- As the fungus causes necrosis of tender twigs from the tip
backwards the disease is called die-back Infection usually begins when the
crop is in flower. Flowers drop and dry up.
- There is profuse shedding of flowers. The flower stalk shrivel and
dry up. This drying up spreads from the flower stalks to the stem and
subsequently causes die-back of the branches and stem and the branches
wither. Partia1lly affected plants bear fruits which are few and of low
quality.
- On the surface of the soil the necrotic areas are found separated
from the healthy area by a dark brown to black band.