G 

 % 

 30L 



2Q 



10. 



Cross I 



J 



Cross mean 



ztz: 



J 



-±r 



J 



ijji jlj ij JUjLyij J p 



JO. 

 _2Q 

 _3Q 



PI 



P2 



PIX P2X F 2 m F aia 



J 



F,X in F,X 



(2) 



30. 



20 



10 



_IQ 

 .20 

 .30 



Cross II 



PI P2 PIX P2X Fjtu F 2 ( 2) F 2 Xc.) F 2 X (2 ) 



30 



2Q 



10 



JO 

 _2Q 



_3Q 



PI 



j 



7 , 



Jl 



P2 



Cross IH 



PIX P2X 



JK 



F 2 (o 



Leoeno 



AMONG F, PLANT PROG. 



F^Z) 



F-X (I) 



RX 



a> 



F, FAU i (Fj gcnehationJ 



Figure 1. — Variation in yield of P, PX, F, and FX among F, plant 

 progenies from three crosses in the F 3 generation. The variation is shown 

 in genotypic standard deviations from the F t family means in percentage 

 of the mean of all treatments, ~x i.e. (genotypic C.V. — s G/i x 100). 



