Jan. 1, 1925 
A Study of Variability in the Burt Oat 
29 
Table I. — Data on inheritance of three different methods of spikelet disarticulation 
in the progeny of selected kernels of each of nine strains of the Burt oat when 
grown at the Akron Field Station and at the Kansas Agricultural Experiment 
Station in 1920 
Kernels in progeny 
Strain number and method of disarticu- 
Number disarticulating 
Percentage disarticulating 
lation in parent kernels 
uy — 
Abscis- 
Semiab- 
Fracture 
Abscis- 
Semiab- 
Fracture 
sion 
scission 
sion 
scission 
AKRON FIELD STATION 
Kansas No. 5020: 
Abscission_ 
Semiabscission. ... _ ._ 
} ' 419 
506 
71 
42.1 
50.8 
7.1 
Fracture_ 
26 
734 
1,205 
1.3 
37.4 
61.3 
Kansas No. 5211: 
Abscission____ 
3, 439 
291 
543 
276 
80.8 
12. 7 
6. 5 
Semiabscission___ 
75 
2 
79.1 
20.4 
. 5 
Fracture_ 
637 
1,176 
3,298 
12. 5 
23.0 
64.5 
Kansas No. 5220: 
Abscission__ 
I 91 
109 
20 
41.4 
49. 5 
9.1 
Semiabscission_ 
Fracture. 
10 
404 
1,000 
. 7 
28.6 
70. 7 
Kansas No. 6004: 
Abscission___ 
} 77 
96 
0 
44.5 
55. 5 
0 
Semiabscission.. 
Fracture___ 
* 24 
54 
913 
2.4 
5.5 
92. 1 
Kansas No. 6052: 
Fracture.. ____ 
0 
118 
3,242 
0 
3.5 
96.5 
Kansas No. 6076: 
Abscission. 
} 60 
194 
113 
16.3 
52.9 
30.8 
Semiabscission_ 
Fracture... 
0 
213 
1,471 
0 
12.6 
87. 4 
Kansas No. 6090: 
Abscission_ _. 
} 702 
650 
118 
47.8 
44.2 
8.0 
Semiabscission... 
Fracture....... 
418 
667 
1,013 
19.9 
31.8 
48. 3 
Kansas No. 6094: 
Abscission___ 
} 621 
133 
76 
74.8 
16.0 
9.2 
Semiabscission.... 
Fracture..... 
109 
301 
1,333 
6.2 
17.3 
76. 5 
All 8 strains: 
Abscission____ 
5,409 
291 
2,231 
75 
674 
65. 1 
26.8 
8.1 
Semiabscission__ 
2 
79.1 
20.4 
.5 
Fracture_ 
1,224 
3,667 
13, 475 
6.6 
20.0 
73.4 
KANSAS AGRICULTURAL EXPERIMENT 
STATION 
Kansas No. 5020: 
Abscission__ 
145 
144 
45 
43.4 
43.1 
13.5 
Semiabscission___ 
29 
74 
257 
8.0 
20.6 
71.4 
Fracture. 
35 
178 
736 
3.7 
18.8 
77.5 
Kansas No. 5211: 
Abscission_ ... 
528 
148 
65 
71.2 
20.0 
8.8 
Semiabscission . 
148 
142 
139 
34.5 
33.1 
32.4 
Fracture_____ 
123 
142 
624 
13.8 
16.0 
70.2 
Kansas No. 5219: 
Abscission.... 
456 
275 
0 
62.4 
37.6 
0 
• Semiabscission___ 
237 
340 
61 
37.1 
53.3 
9.6 
Fracture. 
44 
153 
338 
8.2 
28.6 
63.2 
Kansas No. 5220: 
Abscission.. 
59 
7 
0 
89.4 
10.6 
0 
Semiabscission___ 
16 
39 
130 
8.6 
21.1 
70.3 
Fracture..... 
26 
123 
479 
4.1 
19.6 
76.3 
Kansas No. 6004: 
Semiabscission___ 
0 
17 
25 
0 
40.5 
59.5 
Fracture.___ 
0 
1 
894 
0 
.1 
99.9 
Kansas No. 6052: 
Semiabscission___ 
0 
17 
2 
0 
89.5 
10.5 
Fracture... 
0 
4 
1, 398 
0 
.3 
99.7 
Kansas No. 6076: 
Semiabscission__ 
0 
2 
6 
0 
25.0 
75.0 
Fracture____ 
0 
88 
899 
0 
8.9 
91.1 
Kansas No. 6090: 
Abscission.... 
232 
182 
17 
53.8 
42.2 
4.0 
Semiabscission..... 
57 
145 
111 
18.2 
46.3 
35.5 
Fracture.... 
58 
80 
479 
9.4 
13.0 
77.6 
