Jan. 1, 1925 
A Study of Variability in the Burt Oat 
33 
Table III .—Data on inheritance of three different methods of floret disjunction 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 disjunction 
in parent kernels 0 ' 
Number disjoining 
by— 
Percentage disjoining 
by— 
Basi¬ 
fracture 
Hetero¬ 
fracture 
Disartic¬ 
ulation 
Basi¬ 
fracture 
Hetero¬ 
fracture 
Disartic¬ 
ulation 
AKRON FIELD STATION 
Kansas No. 5020: 
Basifracture... 
32 
207 
293 
6.0 
38.9 
55.1 
Disarticulation... 
76 
568 
1,785 
3.1 
23.4 
73.5 
Kansas No. 5211: 
Basifracture... 
503 
1, 535 
814 
17.6 
53.8 
28.6 
Disarticulation.... 
804 
2; 447 
413 
3,156 
1,046 
12.5 
38.2 
49.3 
Kansas No. 5220: 
Disarticulation... 
175 
10.7 
25.3 
64.0 
Kansas No. 6004: 
Basifracture... 
9 
17 
52 
11.5 
21.8 
66.7 
Disart iculation__ 
19 
119 
948 
1. 7 
11.0 
87.3 
Kansas No. 6052: 
Basifracture... 
8 
27 
302 
2.4 
8.0 
89.6 
Disarticulation___ 
121 
273 
2,629 
4.0 
9.0 
87.0 
Kansas No. 6076: 
Basifracture... 
88 
93 
404 
15.0 
15.9 
69.1 
Disarticulation.. ... . 
104 
172 
1,190 
358 
7.1 
11.7 
81.2 
Kansas No. 6090: 
Basifracture___ 
143 
684 
12.1 
57.7 
30.2 
Disarticulation_____ 
212 
742 
1,429 
8.9 
31.1 
60.0 
Kansas No. 6094: 
"Rnsifraptiire _ _ . 
76 
257 
477 
9.4 
31.7 
58.9 
Disarticulation . __ 
107 
498 
1,158 
2, 700 
13,341 
6.1 
28.2 
65.7 
All strains: 
Basifracture . _ 
859 
2,818 
5,232 
13.5 
44.2 
42.3 
Disarticulation .. _ _ _ 
1, 618 
8.0 
25.9 
66.1 
KANSAS AGRICULTURAL EXPERIMENT 
STATION 
Kansas No. 5020: 
Basifracture..... 
65 
12 
172 
26.1 
4.8 
69.1 
Disarticulation .... 
24 
6 
111 
17.0 
4.3 
78.7 
Kansas No. 5211: 
Basifracture... 
152 
29 
269 
33.8 
6.4 
59.8 
Disarticulation .. 
254 
78 
574 
28.0 
8.6 
63.4 
Kansas No. 5219: 
Basifracture... 
381 
101 
425 
42.0 
11.1 
46.9 
Disarticulation _ 
244 
49 
452 
32.7 
6.6 
60.7 
Kansas No. 6004: 
Basifracture.. _____ 
13 
8 
91 
11.6 
7.1 
81.3 
Disarticulation__ 
1 
1 
89 
1.1 
1.1 
97.8 
Kansas No. 6052: 
B asifracture_ ___ 
6 
4 
125 
4.4 
3.0 
92.6 
Disarticulation ...... 
14 
7 
328 
4.0 
2.0 
94.0 
Kansas No. 6076: 
Basifracture__ .. 
1 
1 
80 
1.2 
1.2 
97.6 
Disarticulation__ 
13 
1 
127 
9.2 
0.7 
90.1 
Kansas No. 6090: 
Basifracture___ 
79 
12 
130 
35.8 
5.4 
58.8 
Disarticulation.. __ 
109 
31 
447 
18.6 
5.3 
76.1 
Kansas No. 6094: 
Basifracture . .. 
26 
6 
87 
21.9 
5.0 
73.1 
Disarticulation _ 
102 
9 
434 
18.7 
1.7 
79.6 
All strains: 
Basifracture _ _ 
723 
173 
1,379 
31.8 
7.6 
60.6 
Disarticulation _ 
761 
182 
2,562 
21.7 
5.2 
73.1 
BOTH STATIONS 
Basifracture_ 
1,582 
2,379 
2,991 
5,414 
4,079 
18.3 
34.6 
47.1 
Disarticulation_ 
15,903 
10.0 
22.9 
67.1 
« None of the parental kernels sown in 1920 was described as having intermediate or heterofracture 
disjunction. 
13949—25f-3 
