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i n d i c a t i n g t h a t improvement can be made
b y s i m p l e s e l e c t i o n p r o c e d u r e s .
SHARMA, H . K . , LAXMAN SINGH, and D. SHARMA.
1973.
Combining a b i l i t y i n d i a l l e l crosses o f
pigeonpea. I n d i a n J . A g r i c . S c i .
4 3 ( l ) : 2 5 - 2 9 . 801
The g e n e r a l combining a b i l i t y v a r i a n c e s
were h i g h e r than t h e s p e c i f i c combining
a b i l i t y v a r i a n c e s , i n d i c a t i n g t h e p r e d o m i ­
nance of a d d i t i v e gene a c t i o n f o r a number
o f c h a r a c t e r s . Ranking o f p a r e n t a l l i n e s
o n t h e b a s i s o f g e n e r a l combining a b i l i t y
e s t i m a t e s showed good agreement w i t h r a n k ­
i n g based o n performance p e r s e . H e t e r o t i c
e f f e c t s were h i g h e s t f o r p l a n t h e i g h t and
g r a i n y i e l d and t h i s suggests t h a t composite
v a r i e t i e s c o u l d b e d e v e l o p e d .
SHAW, F . J . F . 1936.
S t u d i e s i n I n d i a n p u l s e s : The i n h e r i t a n c e
o f m o r p h o l o g i c a l c h a r a c t e r s and w i l t r e s i s ­
tance in Rahar (Cajanus indicus S p r e n g . ) .
I n d i a n J . A g r i c . S c i . 6 : 1 3 9 - 1 8 8 . 802
In a cross between two v a r i e t i e s of Cajanus
i n d i c u s (Pusa Types T-5 and T-80) i n h e r i -
tance o f f l o w e r c o l o r f o l l o w e d a 9 : 3 : 3 : 1
r a t i o , t h e F 1 and t h e double r e c e s s i v e
b e i n g new phenotypes u n l i k e e i t h e r p a r e n t .
E r e c t h a b i t was p a r t i a l l y dominant over
s p r e a d i n g ; s h o r t s t a t u r e was dominant t o
t a l l ; crowded h a b i t o f i n f l o r e s c e n c e was
dominant to t h e open; brown seed of T-80
was dominant to t h e s i l v e r w h i t e of T-5
each in a 3 : 1 r a t i o . F 2 and F 3 p o p u l a t i o n s
were grown i n i n f e c t e d f i e l d s and t h e l o s s
due t o w i l t i n F 2 suggests t h a t the i n h e r i ­
tance of r e s i s t a n c e may be found in a 9:7
o r 27:37 r a t i o , r e s i s t a n c e b e i n g d o m i n a n t .
R a t i o s of t h e v a r i o u s phenotypes were n o t
d i s t u r b e d b y t h e i n c i d e n c e o f t h e d i s e a s e ,
showing t h a t t h e i n h e r i t a n c e o f r e s i s t a n c e
was n o t l i n k e d w i t h t h a t o f any o f the
m o r p h o l o g i c a l c h a r a c t e r s s t u d i e d .
SHERIFF, N . M . , W.M. ALIKHAN, and
R. VEERASWAMY. 1975.
S t u d i e s o n t h e i n h e r i t a n c e o f c e r t a i n p l a n t
c h a r a c t e r s i n redgram (Cajanus c a j a n ( L . )
M i l l s p . ) . Madras A g r i c . J . 6 6 ( 2 ) :
6 4 - 6 5 . 803
The i n h e r i t a n c e of agronomical and o t h e r
m o r p h o l o g i c a l c h a r a c t e r i s t i c s was s t u d i e d
in T a m i l Nadu, u s i n g induced mutants as one
o f the p a r e n t s i n c r o s s e s . The e r e c t h a b i t
and t a l l p l a n t h a b i t were found t o b e
dominant and c o n t r o l l e d by a s i n g l e p a i r
of genes.
SHINDE, V . K . , R. D' CRUZ, and A . B . DEOKAR.
1 9 7 1 .
Genetic s t u d i e s i n pigeonpea. X I . Creeping
3-2-8 x Red g r a i n e d . Poona A g r i c . C o l l .
Mag. 6 1 : 5 3 - 5 5 . 804
Three c h a r a c t e r s were s t u d i e d : growth
h a b i t , c o l o r o f d o r s a l s u r f a c e o f s t a n d a r d
p e t a l and pod c o l o r . S e g r e g a t i o n data i n
F 2 showed 13 c r e e p i n g : 3 e r e c t , s u g g e s t i n g
two f a c t o r s , one of which has an i n h i b i t o r y
a c t i o n . Data f o r p e t a l c o l o r showed
3 y e l l o w w i t h deep red v e i n s : 1 y e l l o w
w i t h red v e i n s ; data f o r pod c o l o r showed
3 green w i t h b l a c k d i f f u s e d : 1 green w i t h
b l a c k s t r e a k s . These c h a r a c t e r s showed
independent a s s o r t m e n t .
SHRIVASTAVA, M . P . , LAXMAN SINGH, and
R.P. SINGH. 1976.
H e t e r o s i s i n pigeonpea. I n d i a n J . Genet.
P I . B r e e d . 3 6 ( 2 ) : 1 9 7 - 2 0 0 . 805
Mean h e t e r o s i s of 67% was o b t a i n e d f o r
y i e l d , 96% f o r secondary b r a n c h e s , and 80%
f o r number of pods per p l a n t . The l a t t e r
two c h a r a c t e r s c o n t r i b u t e d maximum f o r the
i n c r e a s e in y i e l d ; medium x medium, low x
medium crosses g e n e r a l l y r e s u l t e d i n h i g h
h e t e r o t i c performance. Genetic d i v e r s i t y
was the key t o o b t a i n i n g h y b r i d v i g o r .
SHRIVASTAVA, P . S . , A . B . L . BEOHAR, and
S.C. PANDYA. 1973.
Genetic v a r i a t i o n f o r some n u t r i e n t element
a c c u m u l a t i o n and t h e i r a s s o c i a t i o n w i t h
y i e l d and m a t u r i t y i n a r h a r (Cajanus cajan
( L . ) M i l l s p . ) . JNKW Res. J . 1 : 4 3 - 4 6 . 806
The seed c o n t e n t of Zn, P, Cu, Fe, and Mn,
d i f f e r e d s i g n i f i c a n t l y i n t h e e i g h t v a r i e ­
t i e s s t u d i e d , and h e r i t a b i l i t y e s t i m a t e s
i n the broad sense were h i g h , r a n g i n g from
0.69 f o r Mn to 0 . 9 1 f o r P. P c o n t e n t
showed a n e g a t i v e c o r r e l a t i o n w i t h number
of days to m a t u r i t y , in c o n t r a s t to Mn
c o n t e n t , w h i c h showed a p o s i t i v e c o r r e l a ­
t i o n . A s i g n i f i c a n t n e g a t i v e g e n o t y p i c
c o r r e l a t i o n between P and Mn c o n t e n t s was
r e c o r d e d .
SINGH, A . B . , V . N . YADAV, D. SINGH, and
S.P. SINGH. 1972.
C o r r e l a t i o n and h e r i t a b i l i t y s t u d i e s i n
a r h a r (Cajanus c a j a n ( L . ) M i l l s p . ) .
I n d i a n A g r i c . 1 6 ( 1 ) : 4 1 - 4 4 . 807
Y i e l d showed s i g n i f i c a n t and p o s i t i v e phen
o t y p i c and g e n e t i c a s s o c i a t i o n s w i t h p l a n t
h e i g h t , secondary b r a n c h e s , and pod l e n g t h .
A h i g h degree of a s s o c i a t i o n was a l s o
observed between p r i m a r y branches and
t h r e e c h a r a c t e r s , v i z . days t o f l o w e r ,
105