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THE CROP DISEASES OF SIKKIM
HIMALAYAS |
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CROP:
COLE CROPS
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Scientific Name |
Brassica oleraceae |
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Local Name |
Banda Kopi, Ful Kopi, Mula |
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State/World wide |
Sikkim, Orissa, West Bengal, Bihar, Punjab Karnataka,Maharasthra, Gurjurat,
Meghalaya. .
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Common Name of Disease:
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1. BLACK ROT |
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Local Name of Disease |
- Xanthomonas
compestris |
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Causal Organism |
-In some isolated places |
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Distribution of Disease in Sikkim
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In some isolated places.
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Disease Incidence |
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Low to medium |
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Dissemination of the Disease |
-
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Symptoms
Chlorotic lesions appear first near the leaf
margin and progresses towards the centre in
the form of āVā 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.
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Favourable environmental condition for
disease
Acidic soil favours the disease incidence.
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Mode of
transmission
The disease is
transmitted from the affected plant debris of previous season
left in the field.
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Life cycle of
Organism -
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Plant Protection
Measures
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Follow crop rotation for 3 year with non- cruciferous crops.
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Hot water treatment of seed (50 degree centigrade for 10
mins). |
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| Bioinformatics Sub- DISC, SSCS&T |
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