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Pigeonpea B i b l i o g r a p h y
escape i n f e c t i o n t o a c o n s i d e r a b l e e x t e n t ,
p a r t i c u l a r l y a t a n e a r l y age. Advocates
t h e i n t e r p o s i t i o n of a tobacco crop every
3 or 4 y e a r s , e s p e c i a l l y in d i s t r i c t s where
the d i s e a s e i s s e v e r e .
BUTLER, E . J . 1906.
The w i l t d i s e a s e of pigeonpea and pepper
A g r i c u l t u r e I n d i a 1 : 2 5 - 3 6 . 880
The w i l t disease of pigeonpea caused by
Fuearium udum B u t l . is r e s p o n s i b l e f o r 15
to 25% m o r t a l i t y of p l a n t s , and t h i s may be
more than 50% in epidemic y e a r s . The
disease appears on young s e e d l i n g s in
August and h i g h e s t m o r t a l i t y i n mature
p l a n t s i s caused a t f l o w e r i n g t i m e i n
November and December. The d i s e a s e progresses
i n p a t c h e s ; i t s symptoms are d e s c r i b e d .
BUTLER, E . J . 1908.
S e l e c t i o n o f pigeonpea f o r w i l t d i s e a s e .
A g r i c u l t u r e I n d i a 3 : 1 8 2 - 1 8 3 . 881
The experiments were conducted to i d e n t i f y
a s t r a i n of t u r (C. cajan) r e s i s t a n t to
w i l t d i s e a s e . A number of s t r a i n s were
c o l l e c t e d and t e s t e d i n a p l o t s e v e r e l y
i n f e c t e d w i t h f u n g u s . A few of these
c o l l e c t i o n s showed promise and were found
to be somewhat r e s i s t a n t .
BUTLER, E . J . 1910.
The w i l t disease of pigeonpea and t h e
p a r a s i t i s m of Neocosmospora vasinfecta
S m i t h . Mem. Dep. A g r i c . I n d i a ( B o t . S e r . )
2 : 1 - 6 2 . 882
BUTLER, E . J . (EDITOR). 1918.
Fungi and d i s e a s e i n p l a n t s . C a l c u t t a :
Thacker, Spink p p . 2 4 4 - 2 5 1 . 883
BUTLER, E . J . 1926.
The w i l t diseases o f c o t t o n and sesamum i n
I n d i a . A g r i c . J . 2 1 ( 4 ) : 2 6 8 - 2 7 3 . 884
A d e t a i l e d d e s c r i p t i o n i s g i v e n o f a r t i f i ­
c i a l i n o c u l a t i o n s o f s e e d l i n g s o f b o t h
h o s t s w i t h t h e organisms i s o l a t e d f r o m
w i l t e d p l a n t s , t h e r e s u l t s o f w h i c h ,
t o g e t h e r w i t h t h e m o r p h o l o g i c a l and c u l t u ­
r a l f e a t u r e s o f t h e p a t h o g e n , suggest t h a t
t h e w i l t - p r o d u c i n g f u n g i a t t a c k i n g c o t t o n ,
seasmum, and pigeonpea i n I n d i a a r e
s p e c i a l i z e d s t r a i n s of Fusarium vasinfeatum,
the American c o t t o n w i l t o r g a n i s m .
CAPOOR, S.P. 1952.
O b s e r v a t i o n s o n t h e s t e r i l i t y d i s e a s e o f
p i g e o n p e a . I n d i a n J . A g r i c . S c i .
2 2 : 2 7 1 - 2 7 4 . 885
The symptom e x p r e s s i o n of t h e d i s e a s e , i t s
b e h a v i o r under f i e l d c o n d i t i o n s , a s w e l l a s
i n the g l a s s h o u s e , and e x p e r i m e n t a l e v i ­
dence are a l l c h a r a c t e r i s t i c o f a v i r u s
d i s e a s e . The d i s e a s e i s r e a d i l y t r a n s m i t ­
ted b y g r a f t i n o c u l a t i o n , b u t o n l y i n a
few cases by t h e i n o c u l a t i o n of j u i c e
e x t r a c t e d from l e a v e s o f diseased p l a n t s .
I t i s proposed t h a t t h e c a u s a l v i r u s o f
the s t e r i l i t y d i s e a s e b e c a l l e d t h e
'pigeonpea s t e r i l i t y mosaic' v i r u s .
CAVENESS, F.E. 1974.
P l a n t s p a r a s i t i c nematode p o p u l a t i o n d i f f e ­
rences under n o - t i l l a g e and t i l l a g e s o i l
regimes i n Western N i g e r i a . J . Nematol.
6 ( 4 ) : 1 3 8 ( A b s t r a c t ) . 886
Mixed p o p u l a t i o n s of Pratylenahus s p p .
were 5 : 1 g r e a t e r in s o i l and 4 : 1 g r e a t e r
i n maize r o o t s i n p l o t s grown t o maize f o r
seven c o n s e c u t i v e c r o p p i n g seasons ( 3 . 5 y r )
under a s o i l management regime of t i l l a g e
and n o n t i l l a g e r e s p e c t i v e l y . Meloidogyne
incognita was 3 : 1 g r e a t e r in n o n t i l l a g e
than t i l l a g e s o i l s . Pigeonpea, soybean,
and cowpea f o l l o w i n g s i x c o n t i n u o u s crops
of maize reduced the number of Pratylenahus
spp. under b o t h s o i l management r e g i m e s .
T i l l a g e s o i l s had more than t w i c e the
number of Pratylenahus spp. than n o n t i l l a g e
s o i l when grown to pigeonpea and soybean.
D-D ( 1 - 2 - d i c h l o r o p r o p a n e and 1 - 3 - d i c h l o r o -
propene) a p p l i e d by hand-operated fumigun
a t t h e r a t e o f 600 l i t e r s / h a c o n t r o l l e d
Pratylenahus s p p . e q u a l l y w e l l i n t i l l a g e
and n o n t i l l a g e s o i l s .
CHADHA, K . C . , and S.P. RAYCHAUDHURY.
1966.
I n t e r a c t i o n between s t e r i l i t y v i r u s and
Fusarium udum B u t l . in pigeonpea. I n d i a n
J . A g r i c . S c i . 3 6 : 1 3 3 - 1 3 9 . 887
Both diseases o f t e n occur s i m u l t a n e o u s l y
on t h e same p l a n t . The i n t e r a c t i o n between
a v i r u s and a fungus in t h e i r common h o s t
has been r e p o r t e d in a number of cases and
u s e f u l r e s u l t s have been o b t a i n e d r e g a r d i n g
the e p i d e m i o l o g y o f pathogens i n v o l v e d .
CHAKRABARTI, SIPRA, and P. NANDI. 1969.
E f f e c t of g r i s e o f u l v i n on Fuaarium udum
B u t l e r and i t s h o s t pigeonpea (Cajanus
c a j a n ( L . ) M i l l s p . ) . P r o c . I n d i a n S c i .
Acad. 5 6 ( 3 ) : 2 8 8 ( A b s t r a c t ) . 888
G r i s e o f u l v i n was found t o b e h i g h l y e f f e c t ­
i v e a g a i n s t F. udum. Growth of t h e fungus
was i n h i b i t e d by v e r y low c o n c e n t r a t i o n of
t h e a n t i b i o t i c . C o n i d i a l g e r m i n a t i o n was
n o t h i n d e r e d even b y h i g h e r c o n c e n t r a t i o n s ,
b u t t h e germ tube was a f f e c t e d . G r i s e o f u l v i n
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