10 
Journal of Agricultural Research 
Vol. XXIX, No. 1 
Table VI. — Segregation of 16,144 P's plants of the Kota-Hard Federation and 
reciprocal crosses for awn classes at Mandan, N. Dak., and Davis, Calif., in 1923 
Segregation of F 2 families and F 3 plants 
Mandan, N. Dak. 
F 2 classes and breeding 
behavior in the F 3 
Awnless, 1: 
1 __. 
1 and 2. 
1 to 3... 
1 to 4___ 
Class total. 
Apically-awnletted, 2: 
2 __ 
2 and 3. 
2 to 4.__.. 
2 to 5. 
1 and 2.. 
X to 3-__.. 
1 to 4.. 
1 to 5_ 
Class total. 
Awnletted, 
3. 
3 to 5.. 
2 to 5.. 
1 to 5__ 
1 to 4.. 
1 to 3.. 
Class total. 
Short-awned, 4: 
4_ 
4 to 5.. 
3 to 5. 
3 to 4_ 
2 to 5. 
2 to 4_ 
F 2 families 
Num¬ 
ber of 
plants 
35 
Per 
cent of 
class 
2.9 
57.1 
20.0 
20.0 
100.0 
6.0 
27.3 
18.6 
17.3 
2.7 
10.7 
12.7 
4.7 
150 100.0 
111 
8.1 
17.1 
57.7 
10.8 
5.4 
.9 
100.0 
4.8 
42.8 
38.1 
9.5 
4.8 
Per 
cent of 
F 2 0 
0.2 
3.9 
1.4 
1.4 
6.9 
2.3 
10.4 
7.1 
6.6 
1.0 
4.1 
4.8 
1.8 
38.1 
2.4 
5.0 
16.7 
3.1 
1.6 
.3 
29.1 
.6 
5.2 
4.6 
1.2 
Class total. 
42 100.0 I 
Awned, 5: 
5_ 
4 and 5. 
3 to 5._ 
2 to 5... 
Class total.. 
Grand total. 
96 
434 
12.2 
24.0 
18.7 
54.2 
3.1 
3.3 
2.6 
7.5 
.4 
100.0 
13.8 
500.0 
100.1 
Classes of F 3 plants 
16 
288 
57 
84 
445 
175 
43 
176 
72 
46 
294 
193 
691 
429 
267 
68 
224 
236 
81 
2,189 
41 
238 
98 
149 
662 
427 
84 
35 
16 
224 
352 
881 
126 
81 
8 
562 1,672 
13 j 
17 I 
198 
194 
42 
22 
30 I 456 
663 
13 
13 
160 
26 
186 
3,017 
16 
16 
112 
65 
266 
81 
211 
45 
17 
354 
43 
169 
179 
40 
437 
92 
294 
7 
393 
1,466 
76 
29 
105 
31 
150 
27 
208 
72 
560 
336 
801 
24 
1,721 
2,106 
Total 
16 
464 
154 
162 
796 
193 
920 
639 
557 
95 
367 
439 
178 
3,397 
224 
464 
669 
307 
147 
28 
2,839 
43 
422 
373 
112 
45 
995 
560 
428 
1,255 
70 
2,313 
10,340 
