Download - OAR@ICRISAT

C y t o g e n e t i c s
VEERASWAMY, R., P. RANGASAMY, and
N. MOHAMED SHERIFF. 1975.
Co-2 redgram - a new s t r a i n w i t h e a r l y
m a t u r i t y and improved p l a n t t y p e . Madras
A g r i c . J . 6 2 ( 9 ) : 5 4 1 - 5 4 3 . 540
Co-2 is a compact, e r e c t p l a n t type s u i t e d
f o r mixed c r o p p i n g w i t h g r o u n d n u t . I t
matures in 110 to 115 days and is capable
o f y i e l d i n g 1,500 k g / h a under i r r i g a t i o n
and 750 kg/ha under r a i n f e d c o n d i t i o n s .
Per day p r o d u c t i v i t y is a l s o h i g h . The
s t r a i n i s p h o t o i n s e n s i t i v e and f a i r l y
t o l e r a n t to Fusarium and Rhizoctonia w i l t
and r o o t - r o t diseases under f i e l d
c o n d i t i o n s .
VEERASWAMY, R., and R. RATHNASWAMY. 1972.
Red gram Co.1 - an improved s h o r t - t e r m
s t r a i n f o r Tamil Nadu. Madras A g r i c . J .
5 9 ( 3 ) : 1 7 7 - 1 7 9 . 541
S e l e c t e d from l o c a l Cajans c a j a n m a t e r i a l ,
Co-1 g i v e s h i g h y i e l d o f g o o d - q u a l i t y g r a i n
and shows some t o l e r a n c e of d r o u g h t .
VIDHYASEKARAN, P . , and G. ARJUNAM. 1976.
A new redgram v a r i e t y r e s i s t a n t to r o o t -
r o t . Madras A g r i c . J . 6 3 ( 3 ) : 1 7 5 - 1 7 6 . 542
S-18 was c o m p l e t e l y f r e e of t h e disease
w h i l e S-5 and Co-2 showed 45% and 20%
i n c i d e n c e r e s p e c t i v e l y . Thus S-18 appears
to be a p r o m i s i n g type w i t h h i g h r o o t - r o t
and w i l t r e s i s t a n c e .
WAKANKAR, S . M . , and P.S. SANGWAN. 1955.
Madhya B h a r a t ' s new p u l s e s t r a i n s y i e l d
more. I n d i a n Fmg 4 : 1 1 - 1 2 . 543
The pigeonpea s t r a i n recommended f o r c u l t i ­
v a t i o n i s G w a l i o r - 3 , a s t r a i n s e l e c t e d from
Ambah t e h s i l of n o r t h e r n Madhya Pradesh.
V i g o r o u s , l a t e - m a t u r i n g (240 d a y s ) , w i t h
b o l d , f a w n - c o l o r e d seeds, i t y i e l d s a n
average 1,000 1 b / a c (1,123 k g / h a ) , 25%
more than t h e l o c a l v a r i e t y . Another
s t r a i n i s U j j a i n - 7 , a s e l e c t i o n from U j j a i n ,
which i s e a r l y m a t u r i n g , w i t h b o l d seeds,
t a k i n g about 170 days to r i p e n .
WILSIE, C . P . , and M. TAKAHASHI. 1934.
N a t u r a l c r o s s i n g i n the pigeonpea.
J . A g r i c . Res. 4 9 : 9 2 3 - 9 2 7 . 544
Three s t r a i n s o f Cajanus i n d i c u s S p r e n g . ,
b r e e d i n g t r u e f o r t h e r e c e s s i v e pure y e l l o w
f l o w e r and s e l f green pod when p l a n t e d i n
a l t e r n a t e rows w i t h s t r a i n s b e a r i n g t h e
dominant r e d o r r e d - v e i n e d y e l l o w f l o w e r s
and r e d - o r b l a c k - b l o t c h e d pods, y i e l d e d
percentages o f h e t e r o z y g o t e s o r n a t u r a l
h y b r i d s r a n g i n g from 13.98 t o 15.86 i n a
t o t a l p r o d u c t i o n o f 24,883 p l a n t s . Progen
i e s from 5,201 bagged p l a n t s c o n t a i n e d
o n l y n i n e n a t u r a l h y b r i d s , p r o b a b l y due t o
f a u l t y t e c h n i q u e . Comparisons w i t h t h e
r e s u l t s o f p r e v i o u s i n v e s t i g a t o r s d e f i n i t e ­
ly suggest t h a t much more n a t u r a l c r o s s i n g
occurs when d i f f e r e n t v a r i e t i e s are grown
i n a d j a c e n t rows. Since the a n t h e r s
dehisce a day b e f o r e the f l o w e r opens,
a h i g h percentage of n a t u r a l c r o s s i n g must
be due to e i t h e r a d i f f e r e n t i a l growth
r a t e o f the p o l l e n from v a r i o u s sources o r
some i n h i b i t i n g p h y s i o l o g i c a l o r morpholog
i c a l f a c t o r t h a t p r e v e n t s s e l f i n g b e f o r e
the f l o w e r opens. The f l o w e r i n g stage at
which f e r t i l i z a t i o n n o r m a l l y occurs should
t h e r e f o r e be i n v e s t i g a t e d .
WOODFORD, R.C. 1948.
Annual r e p o r t o f t h e Department o f A g r i c u l ­
t u r e , Assam, f o r the year ending 31st March,
1948. 352 pp. 545
Legumes: V a r i e t a l t r i a l s o f p u l s e s were
c a r r i e d out a t the J o r h a t f a r m . Improvement
of Cajanus indicus, Phaseolus mungo
v a r . Roxb. and Ph. radiatus is r e c e i v i n g
a t t e n t i o n . Several h i g h - y i e l d i n g s e l e c -
t i o n s of Cajanus indicus have been made.
C Y T O G E N E T I C S
AKINOLA, J . O . , A . J . PRITCHARD, and
P.C. WHITEMAN. 1972.
Chromosome number in pigeonpea (Cajanus
c a j a n ( L . ) M i l l s p . ) . J . A u s t . I n s t . A g r i c .
S c i . 38:305-308. 546
C y t o l o g i c a l s t u d i e s o f 9 5 i n t r o d u c t i o n s
from 11 c o u n t r i e s show t h a t 2 n • 2 x - 2 2 .
I n f o r m a t i o n i s i n c l u d e d o n v a r i a t i o n i n
e l e v e n m o r p h o l o g i c a l and agronomic
c h a r a c t e r s .
BENDALE, V.W. 1972.
S t u d i e s o n a u t o t e t r a p l o i d s i n C 2 g e n e r a t i o n
o f p e r e n n i a l t u r , Cajanus c a j a n ( L i n n . )
M i l l s p . and Gokarna ( C l i t o r i a ternatea
L i n n . ) . M.Sc. (1972) T h e s i s . Marathwada
K r i s h i V i d y a p e e t h , P a r b h a n i , M a h a r a s h t r a ,
I n d i a . 547
BHATTACHARJEE, S.K. 1956.
Study of a u t o t e t r a p l o i d Cajanus cajan
( L i n n . ) M i l l s p . C a r y o l o g i a 9 : 1 4 9 - 1 5 9 . 548
75