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Pigeonpea B i b l i o g r a p h y
SONAVNE, K.M. 1934.
L o n g e v i t y o f crop seeds. F a r t I I . A g r i c .
L i v e - S t k . I n d i a 4 ( 3 ) : 2 8 7 - 2 9 2 . 1205
S t u d i e s showed t h a t legume seeds s t o r e d in
s e a l e d g l a s s b o t t l e s , w i t h a naphthalene
b a l l i n e a c h , remained v i a b l e even a f t e r
12 years of s t o r a g e in some cases. A f t e r
7 y e a r s ' s t o r a g e , t h e g e r m i n a t i o n p e r c e n t ­
age f o r p u l s e s (except K a b u l i gram, which
gave o n l y 42% g e r m i n a t i o n ) , ranged f r o m
55 to 99 (61% f o r C. c a j a n ) .
SOOTHA, G . D . , and S.K. GUPTA. 1976.
E l e c t r o n s p i n resonance study of manganese
( i i ) and f r e e r a d i c a l i n p u l s e s . I n d i a n J .
Biochem. B i o p h y s . 13(3) : 3 0 4 - 3 0 5 . 1206
I n e l e c t r o n s p i n resonance (ESR) s p e c t r a o f
ground and unground samples of pigeonpea
and o t h e r p u l s e s , s i x r e s o l v e d h y p e r f i n e
components o f d i f f e r e n t l i n e w i d t h s due t o
M n 2+ i o n s and one narrow l i n e due to a
f r e e r a d i c a l ( n o t i d e n t i f i e d ) were observed.
M n 2 + i o n s were found o n l y i n t h e i n n e r seed
t i s s u e s , b u t t h e f r e e r a d i c a l o c c u r r e d
o n l y i n t h e o u t e r c o a t and was t h o u g h t t o
p l a y a r o l e in seed dormancy and s t o r a g e
s t a b i l i t y .
SPENCE, J . A . , and S . J . A . WILLIAMS. 1972.
Use o f p h o t o p e r i o d response t o change p l a n t
d e s i g n . Crop S c i . 12(1) : 1 2 1 - 1 2 2 . 1207
I n T r i n i d a d , pigeonpeas are u s u a l l y sown
w i t h r e l a t i v e l y wide s p a c i n g i n May-June
when t a l l i n d e t e r m i n a t e c v . grow to 2.5 m
and dwarf d e t e r m i n a t e c v . to 1.5 m, n e c e s ­
s i t a t i n g hand h a r v e s t i n g because o f t h e i r
h e i g h t and woody stems. By p l a n t i n g dwarf
d e t e r m i n a t e c v . i n December, s o t h a t t h e
p l a n t s were i m m e d i a t e l y s u b j e c t e d t o
f l o w e r , i n d u c i n g s h o r t d a y s , s m a l l p l a n t s
about 1 m t a l l were produced, w h i c h c o u l d
be h a r v e s t e d m e c h a n i c a l l y . W i t h a p o p u l a ­
t i o n of 165,000 such p l a n t s / h a a seed y i e l d
of 2.5 t / h a was o b t a i n e d , which compares
f a v o r a b l y w i t h t h e commercial y i e l d s o f
t a l l c v . grown a t about 6,600 p l a n t s / h a .
SUBRAMANIAN, V . , A. MANICKAM, and
G. PADMANABHAN. 1976.
B i o c h e m i c a l changes d u r i n g e a r l y g e r m i n a ­
t i o n o f r e d gram, Cajanus c a j a n ( L . ) seeds.
I n d i a n J . E x p l B i o l . 1 4 ( 6 ) :
736-737. 1208
Carbohydrate c o n t e n t o f c o t y l e d o n s d e c r e a ­
sed i n i t i a l l y f o l l o w e d b y f u r t h e r r i s e ,
w h i l e i n embryonic a x e s , t h e q u a n t i t y
i n c r e a s e d i n i t i a l l y f o l l o w e d b y a r e d u c t i o n
and f u r t h e r i n c r e a s e . The sugars c o n t e n t
of embryos i n c r e a s e d up to 3 d a y s , w h i l e in
c o t y l e d o n s the i n c r e a s e was up to 2 days
o n l y . The p r o t e i n c o n t e n t o f c o t y l e d o n
decreased and t h e amino a c i d s i n c r e a s e d
f o r 3 days f o l l o w e d by a d e c r e a s e . The
amino a c i d s d e c r e a s e . The amino a c i d s
decreased i n embryonic a x e s ; w h i l e the
p r o t e i n i n c r e a s e d i n i t i a l l y f o l l o w e d b y
a decrease t h e r e a f t e r .
SUMATHI, S . , and T . N . PATTABHIRAMAN.
1976.
N a t u r a l p l a n t enzyme i n h i b i t o r s . 2 . P r o t e -
ase i n h i b i t o r s o f seeds. I n d i a n J .
Biochem. B i o p h y s . 1 3 ( l ) : 5 2 - 5 6 . 1209
Seeds of n i n e legumes, i n c l u d i n g red gram,
were screened f o r i n h i b i t o r y a c t i v i t i e s .
I n h i b i t o r y a c t i v i t y a g a i n s t t r y p s i n was
s t r o n g e r than a c t i v i t y a g a i n s t c h y m o t r y p s i n ,
and sword bean showed comparable a c t i v i t y
a g a i n s t a l l t h r e e p r o t e a s e s . The i n h i b i ­
t o r y a c t i v i t i e s were g e n e r a l l y more thermol
a b i l e under a c i d i c c o n d i t i o n s .
SUMMERFIELD, R . J . , P.A. HUXLEY, and
F.R. MINCHIN. 1977.
P l a n t husbandry and management techniques
f o r growing g r a i n legumes under s i m u l a t e d
t r o p i c a l c o n d i t i o n s i n c o n t r o l l e d e n v i r o n ­
ments. Expl A g r i c . 1 3 ( l ) : 8 1 - 9 2 . 1210
O f f e r s p r a c t i c a l s o l u t i o n s t o problems
i n c u r r e d i n growing c u l t i v a r s o f cowpea,
soybean, l i m a b e a n , and pigeonpea under
s i m u l a t e d t r o p i c a l c o n d i t i o n s i n c o n t r o l l e d
environments namely ( i ) ' S a x c i l ' growth
c a b i n e t s i n w h i c h d a y l e n g t h , day and n i g h t
t e m p e r a t u r e s , l i g h t i n t e n s i t y and q u a l i t y ,
Rh and CO 2 c o n c e n t r a t i o n s were p r e c i s e l y
c o n t r o l l e d and c o u l d b e v a r i e d over t i m e ;
( i i ) c o m p a r t m e n t a l i z e d glasshouses and
a d j o i n i n g dark compartments where d a y l e n g t h
and day and n i g h t temperatures were a u t o ­
m a t i c a l l y c o n t r o l l e d and n i g h t - b r e a k
i l l u m i n a t i o n c o u l d b e p r o v i d e d , and ( i i i )
heated p l a s t i c - f i l m houses s i m u l a t e d t h e
environment o f wet t r o p i c s i n a l l
r e s p e c t s except d a y l e n g t h , f o r growing
d a y l e n g t h - i n s e n s i t i v e t r o p i c a l legumes t o
m a t u r i t y d u r i n g t h e UK summer months.
TAITT, E . G . , and J . A . SPENCE. 1976.
The m i c r o meteorology of a pigeonpea s t a n d .
A g r i c . Meteor. 1 7 ( 3 ) : 2 0 5 - 2 1 0 . 1211
Data a r e p r e s e n t e d on t h e m i c r o c l i m a t e
above t h e crop canopy of a l a r g e stand of
pigeonpea (Cajanus c a j a n ) growing a t t h e
f i e l d s t a t i o n o f t h e U n i v e r s i t y o f t h e
West I n d i e s , T r i n i d a d . There are a l s o
a d d i t i o n a l d a t a o n c e r t a i n p h y s i o l o g i c a l
parameters — s t o m a t a l r e s i s t a n c e and l e a f
w a t e r p o t e n t i a l — and complementary d a t a
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