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P h y s i o l o g y
Sprays a f f e c t e d t h e p e r c e n t d i s t r i b u t i o n o f
i n d i v i d u a l s p e c i e s i n t h e r h i z o s p h e r e o f
C. aajan. Sprays of 2 - 4 - D , NAA, and IAApromoted
s t a r c h h y d r o l y z i n g g r o u p , sprays
of MH and g i b b e r e l l i n reduced t h e i r i n c i -
dence. Suggested t h a t t r a n s p o r t and a c c u ­
m u l a t i o n o f c a r b o h y d r a t e s i n t h e r o o t s
m i g h t l i m i t t h e i n c i d e n c e o f t h i s group o f
b a c t e r i a i n MH-and g i b b e r e l l i n - t r e a t e d
p l a n t s . The r e s u l t s a r e d i s c u s s e d w i t h
r e f e r e n c e t o m e t a b o l i c changes i n t h e
p l a n t .
SHAMA RAO, H.K. , and S. NARAYANASWAMY .
1975.
E f f e c t o f gamma i r r a d i a t i o n o n c e l l p r o l i ­
f e r a t i o n and r e g e n e r a t i o n i n e x p l a n t e d
t i s s u e s of pigeonpea (Cajanus c a j a n ( L . )
M i l l s p . ) . R a d i a t . B o t . 1 5 ( 3 ) : 3 0 1 - 3 0 5 . 1200
Seeds exposed to 5 Krad produced a c l u s t e r
of a d v e n t i t i o u s r o o t s on a c a l l u s i n g
medium, w h i l e h y p o c o t y l e x p l a n t s o f g e r m i ­
nated s e e d l i n g s from s i m i l a r seeds produced
abundant c a l l u s e s , which on a d i f f e r e n t i a ­
t i n g medium, r e g e n e r a t e d shoot buds and
p l a n t l e t s . Only c a l l u s e s d e r i v e d from
seeds exposed to 5 Krad d i f f e r e n t i a t e d
p l a n t l e t s . However, c a l l u s t i s s u e s d e r i v e d
from t h e 5-Krad t r e a t m e n t s were f r i a b l e
and r e l e a s e d p r o t o p l a s t s r e a d i l y and i n
l a r g e numbers on enzymatic d i g e s t i o n of t h e
c e l l w a l l s o f c e l l s grown a s s u s p e n s i o n s .
Mesophyll c e l l p r o t o p l a s t s o b t a i n e d from
t h e t i s s u e - c u l t u r e - i n d u c e d p l a n t showed
spontaneous adhesion and f u s i o n .
SHARMA, D . P . , and M. STREIL. 1977.
P h y t o s t e r o l s , t r i f e r p i n c i d and o t h e r l i p i -
d i c c o n s t i t u e n t s from Cajanus aajan ( L . )
M i l l s p . l e a v e s . Czechoslavak chemical
communications 4 2 : 2 4 4 8 - 2 4 5 1 . 1201
SINGH, A . , and A. PAL. 1963.
Role o f manganese i n t h e growth o f r o o t and
shoot of Cajanus aajan. P r o c . N a t . Acad.
S c i . I n d i a ( S e c t . B) 33(4)-.571-582. 1202
Morphogenetic e f f e c t s o f i n c r e a s i n g dosage
of manganese on t h e l i g h t - a v o i d i n g and
l i g h t - l o v i n g p a r t s of Cajanus c a j a n
(Type 1) p l a n t s under c o n s t a n t s u p p l y of
i r o n at 0.07 ppm in each case have been
r e c o r d e d . Manganese d e f i c i e n c y s e r i e s has
a l s o been i n c l u d e d . I n c r e a s e d s u p p l y o f
manganese s t i m u l a t e d r a m i f i c a t i o n o f r o o t s .
I n l i n e a r g r o w t h , manganese s u p p l y o f 2.5
ppm (Mn. Fe. 32:1) proved d e l e t e r i o u s f o r
shoot as w e l l a s r o o t ; t h e normal s u p p l y
( 0 . 0 1 ppm, Mn. Fe. 1:7) proved optimum.
Dry m a t t e r p r o d u c t i o n of b o t h shoots and
r o o t s increased w i t h i n c r e a s e i n Mn. s u p p l y .
Widest Mn/Fe r a t i o of 3 2 : 1 proved optimum
f o r the r e d u c i n g and nonreducing sugars
of the s h o o t s , and o n l y nonreducing sugar
o f the r o o t ; f o r r e d u c i n g sugar c o n t e n t o f
t h e r o o t , t h e r a t i o 1:7 proved optimum.
The a c c u m u l a t i o n of l a r g e r number of amino
a c i d s i n t h e shoot o f the manganesed
e f i c i e n t p l a n t s was e v i d e n c e d .
SINGH, A . , and A. PAL. 1964.
The i n f l u e n c e of molybdenum on the growth
of r o o t and shoot of Cajanus c a j a n . P r o c .
N a t . Acad. S c i . I n d i a ( S e c t . B ) 34:
142-152. 1203
The d i f f e r e n t i a l response of molybdenum on
the l i g h t - l o v i n g and l i g h t - a v o i d i n g p a r t s
of Cajanus aajan was i n v e s t i g a t e d under
c o n t r o l l e d p o t - c u l t u r e c o n d i t i o n s i n
d i f f u s e d d a y l i g h t . B r a n c h i n g o f shoots
remained unchanged under t h e v a r i o u s m o l y b ­
denum l e v e l s , though the r o o t s behaved
d i f f e r e n t l y w i t h t h e dose o f s u p p l y . W h i l e
Moa t r e a t m e n t proved optimum f o r t h e r a t e
of e l o n g a t i o n of b o t h the shoot and the
r o o t , t h e Mo was l e a s t c o n d u c i v e . Dry
m a t t e r a c c u m u l a t i o n of shoots remained
s t a t i o n a r y under t h e Mob l e v e l of s u p p l y .
For r e d u c i n g sugars of b o t h shoots and
r o o t s , Mob t r e a t m e n t proved optimum. Mo
d e f i c i e n c y r e s u l t e d i n decrease o f f r e e
amino a c i d s i n s h o o t . W i t h age, g l u t a m i c
a c i d c o n t e n t was depressed, i r r e s p e c t i v e
of the l e v e l of Mo s u p p l y . Maximum l e v e l
of molybdenum h e l p e d in the maximum accumul
a t i o n o f h i s t i d i n e and l y s i n e a t 4 1 days.
A l a r g e number of u n i d e n t i f i e d amino a c i d s
a l s o developed in t h e Mob t r e a t m e n t .
S0NAVNE, K.M. 1928.
L o n g e v i t y o f crop seeds. P a r t I . A g r i c . J .
I n d i a 2 3 ( 4 ) : 2 7 1 - 2 7 6 . 1204
S i x t e e n farm-grown crops were examined to
a s c e r t a i n l o n g e v i t y o f crop seeds i n
s t o r a g e . Seeds were s t o r e d i n 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 .
G e r m i n a t i o n t e s t s were c a r r i e d o u t i n d o o r s
in the l a b o r a t o r y by s i m p l e methods. The
s t u d i e s showed t h a t w i t h t h e e x c e p t i o n o f
g r o u n d n u t , and t o a l e s s e r e x t e n t , b a j r a
( g e r m i n a t i o n percentages 2 3 . 8 and 61.2
r e s p e c t i v e l y i n t h e f i f t h y e a r ) , t h e crop
seeds t e s t e d l o s t l i t t l e v i a b i l i t y over
5 y e a r s . Tur (C. cajan) showed 87.1%
g e r m i n a t i o n . The " h a r d s e e d " of p u l s e s
(seeds t h a t f a i l t o g e r m i n a t e i m m e d i a t e l y
a f t e r t h e sowing t o f r e s h l y h a r v e s t e d seed)
t e s t e d l o s t t h i s hardness w i t h i n a y e a r o f
h a r v e s t i n g and s t o r a g e .
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