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Pigeonpea B i b l i o g r a p h y
The pod s e t o f pigeonpea v a r i e t i e s w i d e l y
grown in Jamaica may be as low as 2 to 4%.
Treatment w i t h ethephon (500 ppm) s u b s t a n ­
t i a l l y i n c r e a s e d pod numbers o f a r u s t -
s u s c e p t i b l e c u l t i v a r b y i n d u c i n g l e a f f a l l
and a second f l o w e r i n g . The t r e a t m e n t
reduced seed number per pod i n b o t h c u l t i -
v a r s . Bg (2,300 ppm) i n c r e a s e d pod number
i n t h e r u s t - r e s i s t a n t c u l t i v a r b u t reduced
mean pod w e i g h t and seed number per p o d .
HAMMERTON, J . L . 1977.
P r e d i c t i n g d r y w e i g h t s o f pigeonpea p l a n t s
from n o n - d e s t r u c t i v e measurements.
J . A g r i c . S c i . Camb. 8 8 ( 2 ) : 4 4 9 - 4 5 4 . 1158
I n experiments w i t h s i x Cajanus c a j a n
v a r i e t i e s grown i n t h e f i e l d a t one s i t e ,
h e i g h t and stem d i a m e t e r was t h e most
r e l i a b l e c h a r a c t e r f o r p r e d i c t i n g t o t a l
d r y w e i g h t .
HUXLEY, P . A . , and R . J . SUMMERFIELD. 1976.
Photomorphogenetic e f f e c t s of lamp type on
growth o f some s p e c i e s o f t r o p i c a l g r a i n
legumes i n c o n t r o l l e d environment growth
c a b i n e t s . P I . S c i . L e t t e r s 6 ( 1 ) :
2 5 - 3 3 . 1159
Three c u l t i v a r s of Ph. lunatus, two of
pigeonpea, one of cowpea, and one of s o y ­
bean were grown i n g r o w t h c a b i n e t s w i t h
i l l u m i n a t i o n from v a r i o u s types o f lamps.
D i f f e r e n t responses t o i l l u m i n a t i o n were
found b o t h between s p e c i e s and between
c u l t i v a r s . Measurements o f l e a f a r e a ,
number of main stem nodes and i n t e r n o d e
l e n g t h were measured w i t h i n 2 days of t h e
b e g i n n i n g o f f l o w e r i n g and the morphogenet
i c e f f e c t s o f t h e v a r i o u s types o f lamp
compared and t h e most s u i t a b l e regime f o r
i n d i v i d u a l c u l t l v a r s d e t e r m i n e d .
age of 73 d a y s .
ISWARAN, V. 1976.
P h o t o p e r i o d i c s t u d y on pigeonpea (Cajanus
oajan). Fd Fmg A g r i c . 7 ( 1 1 ) : 1 3 . 1162
This s t u d y showed t h a t pigeonpea (Cajanus
cajan) a l s o responded t o t h e e f f e c t o f
d a y l e n g t h . Pigeonpea p l a n t s grown under
l o n g - d a y c o n d i t i o n s produce more f l o w e r s
and t a l l e r p l a n t s , compared w i t h s h o r t - d a y
t r e a t m e n t s , and the y i e l d s are a l s o h i g h e r .
The outcome of t h e study shows t h a t p h o t o -
p e r i o d and o t h e r f a c t o r s a l s o i n f l u e n c e the
f l o w e r i n g and f r u i t i n g i n pigeonpea.
IYENGAR, A . K . , and P.R. KULKARNI. 1975.
M o d i f i e d method f o r i s o l a t i o n o f verbascose
from Cajanus cajan ( r e d gram). I n d i a n J .
E x p l . B i o l . 1 3 ( 3 ) : 3 0 7 - 3 0 8 . 1163
A m o d i f i e d method has been developed to
i s o l a t e verbascose from legumes. The
p r o d u c t i o n has been c o n f i r m e d on t h e b a s i s
o f i t s h y d r o l y s i s p r o d u c t s , chromatographic
c h a r a c t e r i s t i c s and m e l t i n g p o i n t .
JERMYN, M.A. 1975.
P r e c i p i t a t i o n r e a c t i o n s between components
o f p l a n t t i s s u e e x t r a c t s . A u s t . J . P I .
P h y s i o l . 2 : 5 3 3 - 5 4 2 . 1164
For t h e leguminous seeds, i n c l u d i n g Cajanus
oajan, p r e c i p i t a t i o n r e a c t i o n s occur
between e x t r a c t s of c o t y l e d o n s and e x t r a c t s
o f t i s s u e s o f t h e p a r e n t p l a n t s , even o f
t h e t e s t s of t h e seeds. The n a t u r e of
these r e a c t i o n s appears to be t h e same as
those o f the i n t e r - s p e c i e s ones. Both
types of r e a c t i o n may be examples of ways
i n which p l a n t c e l l s r e c o g n i z e s e l f from
n o n s e l f .
IKDRA RANI. 1966.
S t u d i e s on urease of Cajanus -indicus and
urease i n h i b i t o r o f melon seeds. Ph.D.
(1966) T h e s i s . Banaras Hindu U n i v e r s i t y ,
V a r a n a s l , U t t a r Pradesh, I n d i a . 1160
ISTVAN, P . , E. PENA GARCIA, and
A. LEVIA SANCHEZ. 1975.
A s t u d y of g r o w t h and a b s o r p t i o n of macron
u t r i e n t s i n t h e f i r s t stages o f d e v e l o p ­
ment of pigeonpea (Cajanus c a j a n ) .
C i e n c l a s : S e r i e 10 B o t a n i e s 1 : 1 6 . 1161
Pigeonpea s e e d l i n g s were grown i n s o l u t i o n
c u l t u r e under c o n t r o l l e d c o n d i t i o n s (25 +
2 ° C , and 1 2 - h r d a y l e n g t h ) , and d ata c o l l e c -
t e d o n t h e i n c r e a s e i n l e n g t h o f stem and
r o o t and i n l e a f a r e a , and o n t h e uptake
of w a t e r and K, Ca, K g , N, and P, up to t h e
JERMYN, M.A., and Y.M. YEOW. 1975.
A c l a s s o f l e c t i n s p r e s e n t i n t h e t i s s u e s
o f seed p l a n t s . A u s t . J . P I . P h y s i o l .
2 : 5 0 1 - 5 3 1 . 1165
I n legume seeds t h e major p a r t o f t h e
s p e c i f i c g l y c o p r o t e i n l e c t i n i s concent
r a t e d i n t h e i n t e r c e l l u l a r spaces a s
d i s t i n c t g l o b u l a r b o d i e s . The p u r i f i c a t i o n
and a n a l y s i s of t h e g l y c o p r o t e i n f r o m a
s e l e c t i o n of s p e c i e s is d e s c r i b e d . H y d r o -
x y p r o l i n e and glucosamine a r e p r e s e n t and
t h e major sugars a r e g a l a c t o s e and a r a b i -
n o s e . N e i t h e r t h e f u n c t i o n o f l e c t i n nor
t h e reasons f o r i t s e x t r a o r d i n a r y e v o l u ­
t i o n a r y s t a b i l i t y i s known. L e c t i n s f r o m
C. oajan have been s t u d i e d in more d e t a i l
by p h y s i o c h e m i c a l t e c h n i q u e s .
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