RA 00110.pdf - OAR@ICRISAT

Nebraska B s y n t h e t i c o r i g i n a l l y s y n t h e s i z e d
f r o m 3 2 i n b r e d l i n e s
B I V
( S S S ) - d e r i v e d
b y 4 c y c l e s o f s e l e c t i o n
u s i n g SSS as t e s t e r
X
B I V ( K ) - d e r i v e d
b y 4 c y c l e s o f s e l e c t i o n
u s i n g Krug a s t e s t e r
X
By - d e r i v e d by
2 c y c l e s of S 1 l i n e per
se f r o m B III (SSS)
S y n t h e s i s
Bo
Nebraska m a i n t a i n e d s t i f f s t a l k s y n t h e t i c
o r i g i n a l l y s y n t h e s i z e d f r o m 1 6 i n b r e d l i n e s
SSS III ( B ) - d e r i v e d
b y 3 c y c l e s o f s e l e c t i o n
u s i n g t h e B s y n t h e t i c a s t e s t e r
X
SSS III ( A ) - d e r i v e d
by 1 c y c l e of l i n e per se
f r o m SSS II (B)
S y n t h e s i s
So
Nebraska Krug o p e n - p o l l i n a t e d v a r i e t y
K I V comp.-derived
b y 4 c y c l e s o f s e l e c t i o n f o r
g e n e r a l combining a b i l i t y
X
K I V ( B ) - d e r i v e d
b y 4 c y c l e s o f s e l e c t i o n u s i n g
B s y n t h e t i c a s t e s t e r
S y n t h e s i s
K 0
Figure 3. Composition of base populations B 0 , S 0 , and K 0 .
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