342 
Journal of Agricultural Research 
Vol. XXIX, No. 7 
Table VI. — Frequency distribution of F z progeny based on time-temperature efficiency units required to bring F 3 rows of early and late segre¬ 
gates from the F 2 from stage of first heading to stage of complete heading 
j 
To¬ 
tals 
rH 
n-icot^©©»o©CMCMoot^CMgi©ooaoost^‘OTiicoaQi-it^cocM 
i THmONOoONiOCSCOIN rt CM CM CO CM CM H 
1 
791 
Time-temperature efficiency units 
090‘2-100‘S 
1 
1 
1 
1 
• 1 1 1 1 1 1 1 1 H t l I l I I I I I I I I I 
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 • 1 1 1 1 1 1 1 1 1 1 1 1 I I 1 1 
H 
OOO‘S-126‘1 
1 
1 
1 
1 
1 1 1 1 1 1 1 1 1 1 1 1 1 II 1 1 1 1 1 1 
1 1 1 » 1 1 1 1 1 1 1 1 1 rH 1 1 r-l I 1 1 1 1 1 
i i i i i i i 1 i 1 1 1 i II i i i i i i 
1 1 1 1 1 1 1 I 1 1 I 1 1 II 1 1 1 j 1 1 
CM 
096‘l-I06‘l 
1 
1 
1 
1 
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 i—1 rH t rH 1 1 1 1 1 1 1 t 1 
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 t 1 | 1 1 1 1 1 1 1 1 1 
CO 
006‘I-I28‘I 
1 
1 
1 
1 
1 1 1 1 1 1 1 1 1 1 III 1 1 1 1 1 i 1 
1 1 1 I 1 1 1 1 1 IHW 1 1 1 rH 1 1 1 I 1 1 1 
1 1 1 1 1 1 1 1 1 1 III 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 III 1 • 1 1 1 1 1 
0S8‘I-I08‘I 
1 
1 
1 
1 
1 1 1 1 1 1 1 1 1 1 ( I l | | | | | | | 1 
1 1 i 1 1 1 1 1 1 I I l 00 I rH 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 1 1 1 l 1 1 1 1 1 1 1 
l 1 1 l 1 l l l l l l 1 t l l t 1 l l t l 
oo8‘i-i9i‘i 
1 
1 
• 
1 
1 1 1 1 1 1 l 1 1 l l l l l l l l l l l 1 
1 l 1 1 1 1 rH 1 rH l l i i I i i i I i i i i i 
1 1 1 1 1 1 1 1 1 1 1 l l l l l l l l l l 
1 1 1 1 1 1 1 1 1 1 1 1 l l 1 l 1 t l l 1 
- 
<N 
OSZ‘I-IOZ‘1 
1 
1 
1 
1 
1 1 1 1 1 1 l l 1 l III l l l 1 l 1 1 
1 1 1 1 1 1 1 1 1 1 rH rH 1 1 1 rH 1 1 1 1 1 1 1 
1 1 1 1 1 1 l 1 1 1 III l l l l l l l 
1 1 1 1 1 1 1 1 1 1 III 1 1 1 1 t 1 1 
CO 
00Z,‘I-I99‘l 
1 
t 
1 
1 
1 1 1 1 1 1 l 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 rH iWHC^H 1 rH i 1 1 1 l l 1 1 
l 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 t 1 I i 1 1 1 
oo 
0S9‘I-I09‘I 
1 
I 
1 
1 
1 1 1 * l rH 1 rH 1 O* 1 CS 1 <N C* 1 1 1 rH 1 l l rH 
l 1 1 1 1 1 1 1 1 III III 
1 1 1 1 1 1 1 1 1 III lit 
CM 
009‘I-I99‘I 
H 
l 1 l t 1 1 1 1 1 1 1 
» i i * i irHOIN(^COiOO(NCNCO i i i i i rH 
i i I i i i i i i i i 
i i i i i i i i i i i 
lO 
CO 
OSS‘T-109‘1 
i i i i i i i i i i i 
1 • 1 1 1 1 IrHCOCOCOOOH^CNCNrH IH 1 1 1 
1 1 1 1 I 1 1 1111 
CO 
OOS‘T-ISf‘1 
1 1 1 1 1 1 III 
1 1 t 1 1 iHiO»OOiiOOGOCOCOT^C^H i i i 
© 
!>• 
0S*‘l“I0fr‘l 
l 1 1 I 1 l IHHOONOiO 1 1 CO rH 1 rH 
1 1 1 1 1 1 1 1 II 1 
1 1 1 1 1 1 1 1 II 1 
- 
s 
00*‘l-IS8‘l 
1 1 1 1 1 1 1 
lllll lCOHCO^C^^(N(N(NHHHH I 
1 1 1 1 1 1 1 
1 1 1 1 1 1 1 
© 
CO 
098*1-108*1 
till till 1 1 1 1 1 
i l l i rH i l 1 1 fc*- O0 00 CO ^ rH 1 1 1 1 l 
till 1 1 1 1 1 1 1 t I 
CO 
OOS‘l-192‘1 
i i i i i i i CM CO •'T CO •'T ihhh 11—11—t i i 
- 
CM 
CM 
OSS‘T-103‘1 
1 1 1 1 1 1 1 H CO CO CO CM H H <N iH 1 1 1 rH 1 rH 
1 t 1 1 1 1 1 1 1 1 1 1 
CO 
CM 
00S‘I-T9I‘I 
.iCOCOi-lCMCO lr-IHH(MHHCO(N IHH 
© 
CM 
OSI‘I-IOI‘1 
i i i i ! 
1 1 1 1 1 1 
1 1 1 1 1 1 
rH 1 ! ! CO CO <N H H 
1 1 1 
CM 
00I‘T-T50‘T 
1 1 l rH i<NCO*0<NI>CO<NHCO 
III 1 
III 1 
H ! H ! N CO <N H h 
i i 
i i 
Tt< 
090‘1-100‘T 
i i IHH(NIOIO^NCOIOCON 
i i I 
i i i 
CO ! ! r-l 1-1 CM © r-l CM ^ 
H 
CO 
OOO‘T-196 
i iHHH<0(0 050NNiJtHCqiNHHHNHN^rl( ! ! 
05 
© 
056-106 
! ! iHH^OWOOlOiCO^N^iJt ! CO wrj CO CM ^ ! t-h 
H 
© 
05 
006-198 
1 
1 
1 
I 
, iNHHHWCOCftlNCOHW 
1 1 
1 1 
H l <N <N H H H iHH 
1 1 
9 
098-108 
1 1 III t 
1 rH 1 rH 1 1 1 CN H H l rH rH 
1 1 1 1 l 1 
1 I 1 1 1 1 
IHHN i iO C* CO IHH 
l 1 l 
t l I 
008 - I9A 
1 
1 
1 
1 
III 1 1 1 1 1 1 1 
1 1 1 rH I 1 1 1 1 IH IH 
III 1 1 1 1 1 1 1 
l I 
1 1 H lO *0 <N 
1 i 
i i 
CM CO H 
a 
09Z.-I0Z 
1 
1 
1 
1 
till II III 
1 1 1 1 H 1 l H CH l 1 1 rH 
1 1 1 1 II III 
1 1 1 1 II III 
i i i 
i i i 
CM i-i 
a 
00i-I99 
1 
1 
1 
1 
1 1 1 l 1 1 1 1 1 l 1 1 1 
1 1 1 1 1 1 1 1 1 1 1 1 1 
l 1 1 1 1 1 1 1 1 1 1 1 l 
1 1 1 1 1 1 1 1 1 1 1 I 1 
i i i 
1 1 1 H <N <N H H 
III. 
i> 
099-109 
1 
1 
1 
1 1 1 1 1 1 1 1 1 1 1 1 1 
l 1 l 1 1 1 1 1 1 1 1 1 1 
1 1 1 l 1 1 1 1 1 1 1 1 1 
t 1 1 1 1 1 1 1 1 1 1 1 1 
Ill II 
1 1 1 H 1 1 
III It 
III t 1 
H 
009-199 
1 
1 
» 
1 
1 1 1 1 1 l 1 1 1 1 1 1 
1 1 1 1 t 1 rH 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 
1 1 1 1 1 1 
1 1 1 1 1 1 
1 1 1 1 1 1 
r 
099-109 
1 
1 
1 
1 
1 1 1 1 1 1 1 l 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 l 1 1 1 1 1 
l 1 • 1 1 1 1 1 1 1 1 1 1 
1 1 1 t l 1 
1 1 I 1 l 1 
1 t 1 1 1 1 
1 1 1 1 l 1 
1 
1 
1 
1 
Dates of first heading in Fa (1922) 
1 
1 
• 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
t 
1 
1 
1 
1 
1 
1 
l 
1 
• 
• 
I s * OC 
ft 
05 
c 
T- 
1 1 1 1 1 1 1 1 1 1 1 1 1 
1 l l l 1 1 1 1 1 1 1 l 1 
l I t t l 1 l 1 1 1 l 1 l 
1 t 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 l 1 l 1 1 1 
1 1 1 1 1 1 I I 1 1 1 1 1 
1 1 1 l 1 1 1 1 1 1 1 f 1 
1 1 i i I l 1 1 1 1 1 1 l 
1 1 1 • 1 l 1 l 1 1 1 1 1 
t 1 1 1 1 1 1 1 1 1 1 1 1 
l 1 1 1 1 1 1 1 l 1 1 1 l 
1 1 1 1 1 1 1 1 1 1 1 1 1 
tltltttllltlt 
1 1 1 1 1 1 1 1 1 1 1 1 1 
» 1 1 % 1 • 1 1 1 1 1 1 1 
1 I 1 1 1 l 1 1 1 1 1 1 1 
1 1 1 I 1 1 1 1 1 1 1 1 1 
1 1 1 t 1 1 1 1 1 1 1 1 t 
1 l 1 1 1 1 • 1 1 1 1 1 1 
1 I 1 1 1 1 • 1 l 1 1 1 l 
1 1 1 1 1 1 1 1 1 1 1 l 1 
1 1 1 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 1 1 1 
1 l 1 l » 1 l l 1 1 * 1 l 
1 1 1 1 1 1 1 t 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 l 1 1 
1 t 1 1 1 1 1 1 1 1 1 l 1 
1 1 1 l 1 1 1 1 I l I l l 
l l l 1 1 1 1 1 I l l 1 1 
NCO^lO<ONOOO)OH<NCO^iO 
HHHHHHHH<M<M<N<NC<I<N 
S 
27 ... 
28 . 
29 ... 
30 .. 
May i.-. 
2 . 
3 _ 
in 
© 
OC 
05 
c 
H 
Totals ___ 
