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P h y s i o l o g y
of t h e seeds were a t t a i n e d a f t e r about 28
d a y s ; t h e d r y - m a t t e r percentage was t h e n
29 and 37 r e s p e c t i v e l y . A r a p i d d e c l i n e
i n f r e s h w e i g h t was seen a f t e r t h e 28th
day. D r y - m a t t e r w e i g h t o f t h e seeds c o n t i ­
nued to i n c r e a s e u n t i l t h e 38th d a y ; a
s l i g h t d e c l i n e o c c u r r e d i n t h e n e x t few
days u n t i l f u l l m a t u r i t y .
DEY, P.M. 1973.
B . L . A r a b i n o s i d from Cajanus cajan A new
enzyme. B i o c h i m . B i o p h y s . A c t a .
3 0 2 ( 2 ) : 3 9 3 - 3 9 6 . 1149
A new enzyme, B . L . A r a b i n o s i d a s e , has been
d e t e c t e d in t h e dormant seeds of Cajanus
indicus- T h i s enzyme is d i f f e r e n t from
- g a l a c t o s i d a s e and does n o t h y d r o l y z e an
- ß - g a l a c t o s i d e or an -ß - f u c o s i d e .
DEY, P . M . , and M. DIXON. 1974.
S e p a r a t i o n and p r o p e r t i e s o f - g a l a c t o s i d a s e
and ß - g a l a c t o s i d a s e from Cajanus indicus-
B i o c h i m . B i o p h y s . A c t a . 370:269-275. 1150
In Cajanus indicus and ß - g a l a c t o s i d a s e ,
which a r e i n s e p a r a b l e by Sephadex g e l c h r o -
matography, have now been s e p a r a t e d by
C M . C e l l u l o s e chromatography. - G a l a c t o ­
s i d a s e (EC 3, 2 . 1 . 2 2 ) has been r e s o l v e d
i n t o isoenzymes and ß - g a l a c t o s i d a s e
(EC 3 , 2 . 1 . 2 3 ) i n t o t h r e e . V a r i o u s
p r o p e r t i e s of enzymes have been s t u d i e d ,
each w i t h i t s own c h a r a c t e r i s t i c f e a t u r e s .
DUTT, B . K . , and A . G . THAKURTA. 1937.
I n v e s t i g a t i o n s o n t h e ' a f t e r r i p e n i n g ' o f
the seed (Cajanus c a j a n ) . T r a n s . Bose Res.
I n s t . 1 0 ( 1 9 3 4 - 3 5 ) : 7 3 - 9 1 . 1151
EZEDIMA, F.O.C. 1965.
Some f a c t o r s i n f l u e n c i n g t h e p r o d u c t i o n of
g r a i n legumes i n Southern N i g e r i a . P r o c .
A g r i c . Soc. N i g e r i a . 4 : 4 8 - 5 0 . 1153
Pigeonpea i s i n t e r m e d i a t e i n i t s n u t r i t i o -
n a l r e q u i r e m e n t s . Low y i e l d s are because
o f d i u r n a l v a r i a t i o n s i n t e m p e r a t u r e ,
heavy o v e r c a s t , and h i g h h u m i d i t y d u r i n g
g r o w i n g season o r from d a y l e n g t h s e n s i t i ­
v i t y . L o c a l s t r a i n s are p r e f e r r e d t o
h i g h e r y i e l d i n g i n t r o d u c e d v a r i e t i e s .
I n t e r p l a n t i n g may a f f e c t y i e l d and hamper
e f f e c t i v e c o n t r o l o f p e s t s . Pest c o n t r o l
i n c r e a s e s y i e l d s .
GHODKI, J. P . , and P.V. SANE. 1974.
Study o f p h o t o s y n t h e t i c and m e t a b o l i c r o l e
o f d i f f e r e n t n o n l e a f green t i s s u e s o f
p l a n t s . P r o c . Symp. G.B. Pant U n i v . A g r i .
Tech. Pantnagar, A p r i l 1 2 - 1 4 :
764-774. 1154
The r a t e s o f f i x a t i o n and d i s t r i b u t i o n o f
CO 2 by f r u i t s of red k i d n e y bean (Ph.
vulgaris), a r h a r (C. c a j a n ) , c o t t o n , and
peas a r e d e s c r i b e d .
GURURAJA RAO, G . , and G. RAJESWARA RAO.
1978.
S a l i n i t y induced changes i n k e t o a c i d s i n
the leaves o f pigeonpea. I n d i a n J . Expl
B i o l . 1 6 : 2 7 0 . 1155
A c c u m u l a t i o n of phosphenol p y r u v a t e and
o x a l o a c e t a t e was found i n s a l i n i z e d p l a n t s ,
w h i l e p y r u v a t e , g l u c o z y l i c a c i d , and k e t o -
g l u t a r a t e accumulated i n c o n t r o l p l a n t s
i n t h e f i r s t t r i f o l i a t e leaves a t f i v e
stages of development.
DUTT, B . K . , and A . G . THAKURTA. 1939.
Catalase a c t i v i t y o f Cajanus seed a t d i f f e ­
r e n t s t a g e s : p r e - r e s t i n g , r e s t i n g and p o s t -
r e s t i n g . T r a n s . Bose Res. I n s t . B:
93-103. 1152
P r e r e s t i n g seeds ( i ) were f r e s h b e f o r e
b e i n g d r i e d , r e s t i n g ( i i ) , those t h a t had
been d r i e d to l e s s t h a n 12% m o i s t u r e ;
p o s t r e s t i n g ( i i i ) , those t h a t had been
steeped i n w a t e r t o v a r i o u s degrees. I n
( i ) , b o t h c a t a l a s e a c t i v i t y and r e s p i r a t i o n
(O 2 a b s o r p t i o n ) dropped r a p i d l y w i t h
d e c r e a s i n g m o i s t u r e , a l t h o u g h t h e two
curves were n o t p a r a l l e l . I n ( i i ) , t h e r e
was some c a t a l a s e a c t i v i t y b u t p r a c t i c a l l y
n o r e s p i r a t i o n . I n ( i i i ) , c a t a l a s e i n c r e a ­
sed r e g u l a r l y w i t h i n c r e a s i n g m o i s t u r e
above 10%, w h i l e r e s p i r a t i o n d i d n o t s t a r t
t o i n c r e a s e u n t i l m o i s t u r e was 30%.
HAMMERTON, J . L . 1975.
E f f e c t s o f d e f o l i a t i o n o n pigeonpeas
(Cajanus c a j a n ) . Expl A g r i c . 1 1 ( 3 ) :
177-182. 1156
M i l d manual d e f o l i a t i o n o f pigeonpea p l a n t s
had l i t t l e e f f e c t o n pod number, pod w e i g h t ,
or number of seeds per pod in two e x p e r i ­
ments. The e f f e c t s o f severe d e f o l i a t i o n
depended on t i m i n g and d i f f e r e d between
pigeonpea c u l t i v a r s . Late severe d e f o l i a ­
t i o n reduced pod numbers i n b o t h e x p e r i ­
ments, b u t e a r l y and i n t e r m e d i a t e severe
d e f o l i a t i o n d i f f e r e d i n t h e i r e f f e c t s .
Some p h y s i o l o g i c a l i m p l i c a t i o n s of these
r e s u l t s a r e d i s c u s s e d ,
HAMMERTON, J . L . 1975.
E f f e c t s o f growth r e g u l a t o r s o n pigeonpea
(Cajanus c a j a n ) . E x p l A g r i c . 1 1 ( 4 ) :
241-245. 1157
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