can be called as Diseases of Chilly too as the diseases are same.

1. AJMAL FAYIQUE C
ALB2008

2. Primary source : seed borne
oospores
Secondary source : irrigation
water
 Causal organism :
Pythium
aphanidermatum.
 Symptoms : pale green
seedling, brownish
water soaked lesion on
the basal portion of
stem, girdling of stem,
rot of tissue and
collapse of seedlings.

3. MANAGEMENT:
 Raising nursery in light soil with proper
drainage
 Rabbing – burning farm trash on the surface
of beds.
 Sowing seeds on raised beds.
 Seed treatment wuth Thiram or Captan @ 2-
3g per kg.
 Soil drenching with Bordeaux mixture 1% or
Copper oxychloride 0.3% or Metalaxyl 0.2%.

4. Primary source :
Seed borne
Secondary source :
Wind borne conidia
 Causal organism :
Colletrotrichium
capsici
 Symptoms : circular
sunken spots with
black margins on
fruits,premature fruit
drop.

5. Management:
 Seed treatment with Captan or Thiram 3-4g
per kg of seeds.
 Collect seeds from disease free plants.
 Removal and destruction of Solanaceous
weed hosts and infected plant debris.
 Spray three times Mancozeb @ 0.25% or
Captan 1.5% before flowering, at fruit
formation stage and 15 days after second
spray.

6. Primary source : crop debris
Secondary source :
conidia
 Causal organisms :
Leveillula taurica
 Small, circular whitish
spots.
 At later stages entire leaf
surface is with dirty white
growth.
 Management: Spray
wettable Sulphur 0.3% or
Dinocap or Carbendazim or
Tridemorph 0.1%

7. Primary source :
Seed borne
Secondary source :
Rain splashes
 Caused by
Xanthomonas
vesicatoria
 Small, irregular, black
greasy lesions
 Water soaked raised
spots with white halo.
 Scabby surface

8. MANAGEMENT:
 Collect seeds from healthy fruits.
 Seed treatment with Copper oxychloride 2g
per kg.
 Field sanitation
 Spray twice with Streptocycline 0.1g mixed
with Copper oxychloride 3g per litre of water
@ 15 days interval.

9. Transmission by >>>>>
White fly ( Bemisia
tabaci)
 Causal organism :
Chilly leaf curl virus.
 Rolling and crinkling of
the leaves.
 New leaves show
chlorosis and old
leaves become
weathery and brittle.
 Few fruits set that too
small.

10. Transmission by>>>>> Aphis gossypii, A.evonymi , Myzus
persicae
 Caused by TMV, CMV
 Stunting and poor
devolopment of plants.
 Mosaic mottling seen
 Abnormal shape of
leaves
 Marginal rolling.

11. MANAGEMENT:
 Collection of seeds from healthy fields.
 Seed treatment with Trisodium
orthophosphate 16% for 30 minutes followed
by washing with clean water.
 Roughing and destruction of infected plants
to remove foci of inoculum.
 Raising barrier crops to intercept aphid
vectors from neighbouring fields.
 Spray systemic insecticides to kill vectors.

12. ajmalfayique@gmail.com