40 
BULLETIN 1403, IT. S. DEPARTMENT OF AGRICULTURE 
Table 37. — Segregation in the F 2 generation into 2-inch frequency classes for 
height of 1,043 plants of Marquis-Hard Federation and reciprocal wheat crosses 
grown at Bozeman and Moccasin, Mont., in 1928 
Bozeman 
Moccasin 
Height of plant 
Hard 
Fed- 
eration 
X 
Marquis 
Marquis 
X 
Hard 
Fed- 
eration 
Total 
Hard 
Fed- 
eration 
Marquis 
Hard i Marquis 
Fed- J X 
eration ' Hard 
X Fed- 
Marquis j eration 
Total 
21.5 inches. - 
1 
i 1 
23.5 inches. 
1 
1 
1 
4 
31 
60 
86 
71 
30 
8 
1 
1 
1 
2 
8 
53 
106 
154 
143 
85 
27 
6 
1 
25.5 inches 
4 
22 
46 
68 
72 
55 
19 
5 
1 
5 
21 
28 
30 
13 
1 
I 
41 1 
4 1 
4 
12| 9 
28! 23 
47! 46 
54! 50 
51 i 60 
22 28 
21 
33.5 inches. 
51 
35.5 inches 
3 
7 
8 
21 
26 
22 
12 
1 
93 
104 
111 
50 
43.5 inches . 
3 11 14 
! 3 
3 
Total 
293 
36. 58db 12 
294 587 
99 
29. 98±. 16 
100 
43. 08±. 21 
225' 231 
36. 87±. 14 37. 82±. 14 
456 
Mean height 
in inches 
and probable 
error 
35. 57±. 11 
36. 07±. 08 
37. 35±. 10 
ft? 
30 
20 
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\so 
20 
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cr . 
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20 
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Fig. 8.— Frequency distribution of Fi hybrid wheat strains and the range of variation of the Mar- 
quis and Hard Federation parent checks, together with their average height at Havre, Bozeman. 
and Moccasin, Mont., in 1924 
