1. Diseases of Pigeon
pea
Rani Lakshmi bai central agriculturaluniversity,jhansi
SUBMITTED TO:
Dr. VAIBHAV
Dr. ANITA PUYAM
SUBMITTED BY:
SHALINI SHUKLA
Ag/063/17
3. PIGEON PEA WILT
IMPORTANCE:
CAUSAL ORGANISM: Fusarium udum (host specific)
Destructive in parts of Maharashtra, m.p., u.p.(8.2%) & Bihar (18.3%)
Incidence maximum at: flowering & pod formation
Nematode: Heterodera cajani & root knot nematodes
Fusarium
4. SYMPTO
MS
Wilting of
seedlings &
adult plants
Yellowing,
withering,
drying
Patches
(centrifugal
manner)
Blackening
of main
roots & base
of stem
Partial
wilting
White-
pinkish
cottony mass
on stem base
purple
bands
extending
upwards
from the
base of
main stem
5.
6.
7. Causal organism (etiology)
• Anamorph: Fusarium udum
• Teleomorph: Gibberella indica
• Confined to vascular tissues
• Inter & intra cellular
• Mycelium: hyaline, septate hyphae
• 3 types of spores: micro conidia, macro conidia, chlamydospores
13. PIGEON PEA STERILITY MOSAIC
IMPORTANCE:
• 1st reported in 1931(Pusa, Bihar)
• GREEN PLAGUE
• More loss at early stages(95-100%)
• Max. infection in ratooned & perennial
pigeon pea
• SMD predisposes plants to powdery
mildew & infestation by spider mite