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Genetics
r e s p e c t i v e l y . Combinations o f o t h e r c h a r a c ­
t e r s showed t h a t t h e i r genes a s s o r t e d
i n d e p e n d e n t l y .
e s t a b l i s h e d : S b r , L s t a , and L l t ; and P s t a
and Oyvsa. The o t h e r genes were i n d e p e n ­
d e n t .
D'CRUZ, R., P.S. P A U L , and A . B . DEOKAR.
1 9 7 1 .
Genetic s t u d i e s i n plgeonpea. X I I . P u r p l e
g r a i n e d x O b c o r d i f o l i a ( N . G r e e n ) . Mahatma
Phule A g r i c . U n i v . Res. J . 2 ( 2 ) :
99-106. 733
The gene c o n t r o l l i n g b r a n c h i n g h a b i t , Sbr
is independent from t h e genes f o r stem
c o l o r P s t ; l e a f l e t shape, L l t ; l e a f t h i c k ­
n e s s , T n l t ; f l o w e r c o l o r , Oydsa, O y d s b l ,
and Oydsb2; pod c o l o r , Gppd; and t e s t a
c o l o r Brsd and Wpsd. One l i n k a g e group
i n v o l v i n g P s t , T n l t , and L l t was
i d e n t i f i e d .
D'CRUZ, R., P.S. PATIL, and A . B . DEOKAR.
1973.
Genetic s t u d i e s i n plgeonpea. X I I I . L e a f l e t
shape, f l o w e r and seed c o l o r . Botanique
(Nagpur) 4 ( 2 ) : 1 1 7 - 1 2 4 . 734
The i n h e r i t a n c e o f l e a f l e t shape, f l o w e r
c o l o r , and seedcoat c o l o r was s t u d i e d i n
two crosses of Cajanus cajan. In t h e cross
O b c o r d i f o l i a (D) X Round l e a f , r a t i o s of
3 round : 1 obcordate l e a f l e t ; 9 y e l l o w
p u r p l e - v e i n e d : 7 y e l l o w f l o w e r s ; and
9 brown : 7 w h i t e were o b t a i n e d . In t h e
cross Round l e a f X P u r p l e g r a i n e d , r a t i o s
of 3 l a n c e o l a t e : 1 round l e a f l e t ;
9 o r a n g e - y e l l o w f l o w e r s w i t h p u r p l e spots :
1 w h i t e have been r e c o r d e d . The r a t i o of
3 round : 1 obcordate f o r l e a f l e t shape is
r e p o r t e d f o r t h e f i r s t t i m e .
DEOKAR, A . B . , and R. D'CRUZ. 1972.
Genetic s t u d i e s i n plgeonpea. I I . N . Black
x P u r p l e g r a i n e d . Mahatma Phule A g r i c .
U n i v . Res. J . 3 ( l ) : 1 2 - 2 0 . 735
S i n g l e genes c o n t r o l b r a n c h i n g h a b i t ( S b r ) ,
l e a f l e t shape ( L l t ) , p e t i o l e l e n g t h ( L s t a ) ,
and c o l o r o f t h e d o r s a l s u r f a c e o f t h e
s t a n d a r d p e t a l (Oyvsa). Stem c o l o r i s
c o n t r o l l e d by one complementary and two
d u p l i c a t e complementary genes, P s t a , P s t b ,
and Pstc r e s p e c t i v e l y . S t i p u l e l e n g t h
segregated 9 l o n g : 7 s h o r t , s u g g e s t i n g
two complementary genes, L s t a , and L s t b ,
and t h e c o l o r o f t h e v e n t r a l s u r f a c e o f
t h e s t a n d a r d p e t a l segregated 9 o r a n g e -
y e l l o w : 7 y e l l o w , s u g g e s t i n g a n o t h e r two
complementary genes, Oyvsa and Oyvsb.
Testa c o l o r i s c o n t r o l l e d b y two i n t e r a c t ­
i n g f a c t o r s , Oyvsa and B r s d , t h e f i r s t w i t h
i n c o m p l e t e dominance r e s p o n s i b l e f o r w h i t e
seeds w i t h p u r p l e s p o t s and t h e second f o r
brown seeds. Two l i n k a g e groups were
DEOKAR, A . B . , G.R. BHOLE, and R. D'CRUZ.
1 9 7 1 .
Genetic s t u d i e s i n plgeonpea. V I I . Creeping
3-2-8 x P r o s t r a t e . Mahatma Phule A g r i c .
U n i v . Res. J . 2 ( l ) : 2 6 - 3 7 . 736
Three genes (Cgra, C g r b l , and Cgrb2) c o n ­
t r o l l i n g growth h a b i t segregated 45 e r e c t :
9 c r e e p i n g : 10 p r o s t r a t e . Two genes
( P v d s l and Pvds2) c o n t r o l v e i n c o l o r on t h e
back of t h e s t a n d a r d p e t a l and another two
(Gpstpd and Gpshpd) c o n t r o l pod c o l o r ,
which segregated 9 p u r p l e : 3 green w i t h
p u r p l e s t r e a k s : 4 green w i t h p u r p l e shades.
Gpstpd c o n t r o l s green w i t h p u r p l e s t r e a k s
and Gpshpd is supplementary. One gene
(Brsd) c o n t r o l s brown seeds. Cgra is
l i n k e d w i t h Pvds and Brsd i s l i n k e d w i t h
Gpshpd.
DEOKAR, A . B . , B.S. MANKE, and R. D'CRUZ.
1972.
Genetic s t u d i e s i n plgeonpea. V I . L e a f l e t
shape, pod and seed coat c o l o u r . I n d i a n
A g r i c . 1 6 : 1 9 3 - 1 9 7 . 737
The l e a f l e t shape and seedcoat c o l o r char
a c t e r s were each governed by a s i n g l e
f a c t o r ( 3 : 1 ) , w h i l e t h e u n r i p e pod c o l o r
was found to be caused by f o u r f a c t o r s
( 1 9 5 : 6 1 ) . The genes l e t f o r l e a f l e t shape
and Rsd f o r seedcoat c o l o r were found to be
l i n k e d w i t h a crossover v a l u e of 21.42%.
The f o u r f a c t o r s f o r pod c o l o r , B l p l , B l p 2 ,
1 - B l p , and A - l - B l p , were d i f f e r e n t from and
independent o f the f a c t o r s f o r l e a f l e t
shape and seedcoat c o l o r .
DEOKAR, A . B . , L . S . PACHPOL, and R. D'CRUZ.
1972.
Genetic s t u d i e s in plgeonpea. X. N.P. 64
x N.P. 8 2 . Botanique (Nagpur)
3 : 3 5 - 4 0 . 738
The f o l l o w i n g s e g r e g a t i o n r a t i o s were
o b t a i n e d from the c r o s s : f o r h a b i t , 9
s p r e a d i n g : 7 e r e c t ; f o r c o l o r of t h e
v e n t r a l s u r f a c e o f t h e s t a n d a r d p e t a l ,
162 y e l l o w : 94 lemon y e l l o w ; and f o r
pod c o l o r , 117 p u r p l e w i t h green s t r e a k s :
139 green w i t h p u r p l e s t r e a k s . The r e s u l t s
i n d i c a t e d t h a t t h e genes c o n t r o l l i n g t h e
t h r e e c h a r a c t e r s a r e i n d e p e n d e n t .