VARIETAL SUSCEPTIBILITY OF OATS TO SMUTS 
25 
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 
Num- 
ber 
Per 
cent 
133 
61 
86 
72 
77 
269 
20 
98 
42 
107 
114 
137 
30 
23 
29 
61 
33 
47 
32 
5 
73 
9 
42 
38 
34 
8 
17.3 
47.5 
70.9 
45.8 
61.0 
11.8 
25.0 
74.4 
21.4 
39.2 
33.3 
24.8 
26.6 
171 
35 
20 4 
Var. tartar ica, S. N. 34 . 
{Aberdeen, 1920 
[Brooklyn, 1921 
/Aberdeen, 1920 
\Brooklyn, 1921 
Columbia ® 
Var. tartarica, S. N. 250, 
80 
40 
50.0 
C.I. 1597. 
89 
340 
38 
68 
42.6 
20. 
Var. tristis, S. N. 40 . 
Aberdeen, 1920 
Brooklyn, 1921 
Columbia, 1920 
Ames, 1920 
99 
72 
106 
142 
148 
62 
99 
112 
132 
338 
103 
125 
196 
36 
94 
66 
75 
116 
110 
132 
49 
85 
92 
41 
94 
80 
43 
244 
48 
96 
75 
37 
5 
29 
46 
86 
23 
70 
23 
6 
22 
18 
8 
8 
11 
17 
3 
5 
35 
10 
24 
6 
9 
4 
4 
12 
19 
13 
3 
4 
23 
12 
37.3 
6.9 
27.3 
White Egyptian, S. N. 
300, C. I. 1605. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
32.3 
58.1 
37.0 
70.7 
.Brooklyn, 1921..; 
Columbia, 1920 
Ames, 1919 .. - .- 
122 
64 
176 
104 
114 
59 
65 
49 
3 
18 
17 
26 
26 
14 
40.1 
4.6 
10.2 
16.3 
22.8 
44.0 
21.5 
20.5 
4.5 
6. 5 
Amps, 1920 
17.4 
White Tartar (White Rus- 
sian), S. N. 284, C. I. 551. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
6.4 
4.0 
30.5 
18.1 
I Brooklyn, 1921 
Columbia, 1920 
\mes, 1920 
103 
54 
107 
91 
114 
27 
30 
7 
25 
18 
22 
6 
29.1 
12.9 
23.3 
19.7 
19.2 
22.2 
4.5 
6.6 
30 1 
White Tartar (White Rus- 
sian). S. N. 301, C. L 1614. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
9.0 
18.1 
12.2 
10.6 
.Brooklyn, 1921 
95 
38 
48 
86 
94 
239 
52 
37 
13 
1 
18 
24 
98 
26 
38.9 
34.2 
2.0 
20.9 
25.5 
41.0 
50.0 
4.3 
9.7 
Columbia, 1920 
Ames, 1920 
12.7 
23.7 
White Tartar, S. N. 174. _ 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
30.2 
1.2 
8.3 
24.0 
White Tartar (Frankside), 
[Brooklyn, 1921 
/Aberdeen, 1920 
\Brooklvn, 1921., 
Columbia, 1920 
Ames, 1920 ' ... 
77 
61 
78 
50 
84 
99 
134 
19 
41 
16 
38 
4 
41 
49 
72 
5 
53.2 
26.2 
48.7 
8.0 
48.8 
49.4 
53.7 
26.3 
16.0 
S. N. 251, C. I. 842. 
69 
74 
112 
96 
81 
26 
83 
101 
94 
113 
188 
240 
45 
124 
68 
67 
101 
76 
91 
41 
107 
68 
83 
109 
162 
93 
81 
98 
72 
31 
5 
56 
56 
60 
6 
68 
47 
4 
18 
77 
97 
2 
71 
16 
26 
51 
5 
70 
19 
55 
40 
17 
23 
60 
43 
14 
30 
9 
44.9 
6.9 
50.0 
White Tartar, S. N. 299, 
C. I. 1615. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
58.3 
74.0 
23.0 
81.9 
S.N. 335' 
.Brooklyn, 1921 
Columbia, 1920 
Ames, 1920 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
90 
94 
113 
183 
180 
80 
55 
8 
19 
71 
101 
16 
61.1 
8.1 
16.8 
38.8 
56.1 
20.0 
46.5 
4.2 
15.9 
40.9 
40.4 
4.4 
57.3 
Brooklyn, 1921 
Columbia, 1920 
Ames, 1920 .. - 
127 
46 
81 
101 
147 
32 
41 
6 
17 
60 
78 
19 
32.2 
13.0 
20.9 
59.4 
53.0 
59.3 
23.5 
38.8 
50.4 
S.N. 336 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
6.5 
76.9 
46.3 
51.4 
S.N. 337 
(.Brooklyn, 1921 
Columbia, 1920 
Ames, 1920 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920. 
105 
68 
136 
160 
147 
48 
66 
11 
18 
57 
37 
17 
62.8 
16.1 
13.2 
35.6 
25.1 
35.4 
58.8 
20.4 
21.1 
37.0 
46.2 
17.2 
30.6 
1 
.Brooklyn, 1921 
86 
25 
29.0 
12.5 
'Nos. 335, 336, and 337 are large coarse German types received from Dr. W. C. Etheridge. 
