Scientific Name Brassica oleraceae
Local Name Banda Kopi, Ful Kopi, Mula
Family Cruciferae
State/World wide Sikkim, Orissa, West Bengal, Bihar, Punjab  Karnataka,Maharasthra, Gurjurat, Meghalaya. .
Common Name of Disease: 1. BLACK ROT
Local Name of Disease - Xanthomonas compestris
Causal Organism -In some isolated places
Distribution of Disease in Sikkim

- In some isolated places.

Disease Incidence - Low to medium
Site of Infection


Dissemination of the Disease



Chlorotic lesions appear first near the leaf margin and progresses towards the centre in the form of ā€˜Vā€™ shape yellow spots. The vein turns brown and finally black in the affected area which may extend beyond the chlorotic region reaching the petiole and stem. The affected area turns brown and dies.

Favourable environmental condition for disease
Acidic soil favours the disease incidence.

Mode of transmission
The disease is transmitted from the affected plant debris of previous season left in the field.

Life cycle of Organism -

Plant Protection Measures
- Follow crop rotation for 3 year with non- cruciferous crops.
- Hot water treatment of seed (50 degree centigrade for 10 mins).

Bioinformatics Sub- DISC, SSCS&T