VARIETAL SUSCEPTIBILITY OF OATS TO SMUTS 
21 
Table 2. — Results of inoculating seed of varieties and strains of different species 
of Avena with spores of Ustilago avenae and U. levis at the stations and in the 
years indicated — Continued 
Station and year 
Plants from seeds inoculated with— 
Ustilago avenae 
Ustilago levis 
Species, variety, and strain 
of oats 
Total 
num- 
ber 
Infected 
Total 
num- 
ber 
Infected 
Num- 
ber 
Per 
cent 
Xum- 
ber 
Per 
cent 
Columbia, 1920 
Ames, 1919 
22 
148 
118 
134 
115 
69 
4 
52 
12 
14 
8 
25 
18.1 
35.1 
10.1 
10.4 
6.9 
36.2 
74 
146 
92 
102 
136 
48 
68 
57 
116 
144 
15 
16 
21 
16 
44 
10 
27 
6 
4 
16 
20.2 
10.9 
Ames, 1920 
22.8 
Avena sativa— Continued. 
Swedish Select, S. N. 226, 
C.I. 134. 
Aberdeen, 1919 
Aberdeen, 1920. 
Manhattan, 1920 
Pullman, 1920 
15.6 
32.3 
20.8 
39.7 
1 
Brooklyn, 1921 
Brooklyn, 1922 
Ames, 1919.. 
92 
176 
104 
187 
105 
174 
85 
212 
66 
109 
135 
138 
115 
159 
64 
114 
121 
109 
101 
43 
26 
2 
25 
46 
34 
2 
24 
52 
20 
36 
11 
19 
21 
15 
1 
17 
18 
16 
20 
15 
28.2 
1.1 
240 
24.6 
32.3 
1.1 
28.2 
24.5 
30.3 
33.0 
8.1 
13.7 
18.2 
9.4 
1.5 
14.9 
14.8 
14.6 
19.8 
34.8 
10.5 
3.4 
11. 1 
Aberdeen, 1920 
Brooklyn, 1921 
Brooklyn, 1922 
[Ames, 1919. 
Swedish select (Ligowa), I 
S. N. 227, C.I. 1740. 
67 
161 
115 
107 
74 
155 
27 
22 
9 
29 
9 
19 
16 
40.2 
13.6 
7.8 
Swedish Select, S. X. 228, : 
C. 1.552. 
Swedish Select, S. X. 229, 
Aberdeen, 1920 
Manhattan, 1920 
Brooklyn, 1921 
Brooklyn, 1922 
Aberdeen, 1920 
'Brooklyn, 1921 
(Columbia (f) . 
27.1 
12.1 
27.5 
10.3 
CI. 1743 (closely resem- 
bles Gothland). 
88 
202 
104 
153 
109 
146 
157 
62 
135 
83 
172 
3 
79 
36 
9 
47 
42 
65 
13 
67 
21 
22 
3.4 
39. 1 
Columbia, 1920 
Ames, 1919.. .. 
34.6 
5. 8 
Ames, 1920 
43.1 
Tobolsk, S. X. 122, C. I. 
1983. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920... 
28.7 
41.4 
20.9 
49.6 
Brooklyn, 1921 
f Ames, 1919 
112 
103 
121 
39 
137 
166 
33 
75 
57 
242 
43 
19 
30 
27 
14 
28 
18 
4 
12 
11 
42 
7 
16.9 
29.0 
22.3 
35.9 
19.9 
10.8 
12.1 
16.0 
19.3 
17.3 
16.2 
25.3 
12.8 
Tobolsk S X 232 C I 
Aberdeen, 1920 
Manhattan, 1920 
Brooklyn, 1921 
Columbia @ © 
Columbia, 1920 
Ames, 1920 
1709. 
—""32" 
105 
293 
60 
74 
62 
113 
40 
63 
149 
212 
90 
103 
73 
116 
143 
41 
107 
602 
443 
62 
149 
86 
91 
146 
181 
87 
165 
84 
266 
85 
139 
36 
69 
85 
83 
6 
43 
23 
1 
3 


2 
2 
6 

30 
44 
39 
58 
82 
8 
72 
415 
177 
21 
30 
27 
46 
100 
25 
59 
117 
43 
74 
27 
77 
9 
13 
30 
18 
18.7 
40.9 
7.8 
1.6 
4.0 
Var. trisperma, S. X. 64. . 
Aberdeen, 1919... 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 


5.0 
3.2 
Brooklyn, 1921 
Brooklyn, 1922 
Columbia @® 
Columbia, 1920 
Ames, 1920 
227 
176 
247 
65 
77 
65 
50 
42 
72 
6 
76 
4 
26 
32 
30 
17 
31.7 
3.3 
30.7 
6.1 
33.7 
49.0 
60.0 
40.4 
4.0 

33.3 
42.7 
53.4 
Victor, S. X. 126 
Aberdeen, 1919 
. Aberdeen, 1920... 
Manhattan, 1920 
Pullman, 1920 
50.0 
57.3 
19.5 
67.3 
Brooklyn, 1921 
Brooklyn, 1922 
Columbia, 1920 
Ames, 1919 
611 
374 
43 
18 
70 
109 
225 
218 
377 
77 
7 
4 
25 
45 
132 
99 
61.7 
20.5 
16.2 
22.2 
35.7 
41.2 
58.6 
45.4 
68.9 
39.9 
33.8 
20.1 
Ames, 1920 
31.3 
Victor, S. X. 233, C. I. 
1755. 
Aberdeen, 1919 
• Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
50.5 
68.4 
13.8 
67.8 
Brooklyn, 1921 
.Brooklyn, 1922 
(Ames, 1919 
184 
88 
2.50 
106 
127 
54 
104 
93 
102 
130 
19 
30 
10 
51 
19 
32 
29 
39 
70.6 
21.5 
12.0 
9.4 
40.1 
35.1 
30.7 
31.1 
38.2 
70.9 
51.1 
27.8 
Ames, 1920 
31.7 
Victory, S. X. 283, C. I. 
560. 
Victory, S. N. 364 
• Aberdeen, 1920 
Manhattan, 1920 
Brooklyn, 1921 
(Aberdeen, 1920 
\Brooklyn, 1921 
55.3 
25.0 
18.8 
35.2 
21.6 
