24 
BULLETIN 1275, U. S. DEPARTMENT OF AGRICULTURE 
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 — 
Species, variety, and strain 
of oats 
Ustilago avenae 
Ustilago levis 
Total 
num- 
ber 
Infected 
Total 
num- 
ber 
Infected 
Num- 
ber 
Per 
cent 
X um- 
ber 
Per 
cent 
| 
243 
80 
137 
88 
84 
78 
34 
4 
397 
85 
135 
49 
205 
336 
12 
101 
102 
91 
22 
111 
68 
154 
26 
55 
9 
41 
32 
32 
38 
18 
2 
40 
7 
19 
12 
47 
2 
65 
29 
40 
3 
21 
22 
59 
7 
22.6 
11.2 
29.0 
36.0 
38.0 
48.6 
52.9 
50.0 
10.0 
8.2 
14.0 
24.4 
22.9 
22.9 
16.6 
64.3 
28.4 
43.9 
13.6 
18.9 
32.3 
38.3 
27.0 
245 
114 
106 
64 
35 
4 
10 
5 
14.2 
Avena sativa orientalis — Con. 
Ames, 1919" 
3 5 
\ ar. mutica, S. X. 32 
Var. nigra, S. X. 245, C. I. 
1598. 
1 Aberdeen, 1920 
[Brooklyn, 1921 
(Aberdeen, 1920 
\Brooklvn, 1921 
(Columbia© 
9.4 
7.8 
78 
37 
47.4 
\ ar. obtusata, S. X. 4 
\.\berdeen, 1920 
359 
97 
102 
35 
176 
184 
3 i 
13 
6 
21 
35 
10 3 
Ames, 1919 
1 
Var. obtusata, S. X. 33.. _ 
Var. pugnax, S. X. 65 
Seizure, S. X. 247, C. I. 
Aberdeen, 1920 
Manhattan, 1920 
IBrooklvn, 1921 
[Columbia©® 
{ Aberdeen, 1920 
[Brooklyn, 1921 
/Aberdeen, 1920 
IBrooklvn, 1921 
Columbia, 1920 
Ames, 1920 
12.7 
17.1 
13.6 
19.0 
86 
48 
55.8 
1604. 
87 
82 
104 
82 
131 
28 
121 
86 
168 
97 
140 
84 
49 
157 
31 
102 
99 
175 
138 
159 
247 
232 
51 
154 
81 
105 
119 
64 
58 
42 
101 
56 
119 
49 
23 
6 
28 
17 
83 
5 
73 
23 
40 
38 
19 
32 
9 
37 
9 
56 
32 
17 
1 
23 
26 
53 
2 
38 
10 
18 
11 
39 
30 
4 
21 
14 
44 
10 
26.4 
7.3 
26.9 
Var. setosa, S. N. 302, C. 
I. 1618. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
20.7 
63.3 
17.8 
60.3 
; Brooklyn, 1921 
(Columbia© 
86 
138 
90 
146 
63 
82 
115 
48 
35 
25 
16 
21 
11 
43 
5 
40.6 
18.1 
HX9 
33.3 
13.4 
37.3 
10.4 
26.7 
23.8 
Columbia, 1920 
Ames, 1919. 
39.0 
13.5 
Ames, 1920. . 
38.0 
Sparrowbill, S. N. Ill, C. 
I. 1867. 
Aberdeen, 1919.. 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920.. 
18.3 
23.5 
29.0 
54.9 
1 Brooklyn, 1921 
Columbia, 1920 
Ames, 1919 
91 
78 
176 
179 
203 
214 
71 
59 
3 

35 
10 
35 
13 
64.8 
3.8 

19.5 
4.9 
16.3 
18.3 
32.3 
9.7 
.7 
Ames, 1920... 
14.4 
Sparrowbill (Eclipse), 
S.N. 274, C.I. 843. 
Aberdeen, 1919 
Aberdeen, 1920. 
Manhattan, 1920 
Pullman, 1920 
10.5 
22.8 
3.9 
24.6 
Brooklyn, 1921 
Brooklyn, 1922. 
[Columbia ©.. 
112 
66 
120 
91 
42 
42 
90 
47 
10 
1 
2 
4 
16 
5 
26 
20 
8.9 
1.5 
1.6 
4.3 
38.0 
11.9 
28.8 
42.5 
12.3 
17.1 
9.2 
Columbia, 1920 
Ames, 1920 
60 7 
51.6 
Storm King, S. X. 112 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
9.5 
20.7 
25.0 
37. 
Storm King (Senator), 
S. N. 248, C. 1. 1603. 
Storm King (Stout), 
S. N. 363. 
[Brooklyn, 1921. 
/Aberdeen, 1920 
IBrooklvn, 1921 
/Aberdeen, 1920. 
IBrooklvn, 1921 
[Columbia © 
58 
64 
83 
114 
76 
125 
112 
207 
64 
113 
99 
49 
25 
22 
44 
21 
49 
17 
3 
45 
16 
26 
34 
11 
43. 1 
34.3 
53.0 
18.4 
64.4 
13.6 
2.6 
21.7 
25.0 
23.0 
34.3 
22.4 
20.4 
75 
45 
53 
140 
94 
205 
60 
83 
141 
12 
109 
98 
11 
20 
15 
28 
47 
36 
24 
28 
30 
3 
42 
26 
14.6 
44.4 
28.3 
20.0 
Columbia, 1920... 
Ames, 1919 
50.0 
17.5 
Ames, 1920... 
40 
Tartar King, S. X. 113.... 
Aberdeen, 1919 
Aberdeen, 1920. 
Manhattan, 1920 
Pullman, 1920.... 
33.7 
21.2 
25.0 
385 
Tartar King (Canada 
Cluster), 8. N.249, C.I. 
1600. 
[Brooklyn, 1921. 
Aberdeen, 1920 
Brooklyn, 1921 
Columbia ® 
103 
63 
86 
222 
49 
87 
50 
23 
45 
38 
2 
22 
48.5 
36.5 
52.3 
17.1 
4.0 
25.2 
26.5 
77 
344 
22 
34 
28.5 
9.8 
Var. tartarlca, 8, N. .'. 
Aberdeen, 1920... 
[Brooklyn, 1921 
76 
6 
7.8 
