VARIETAL SUSCEPTIBILITY OF OATS TO SMUTS 
13 
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 
Ustilago avenae 
Ustilago levis 
of oats 
Total 
num- 
ber 
Infected 
Total 
num- 
ber 
Infected 
Num- 
ber 
Per 
cent 
Num- 
ber 
Per 
cent 
19 
45 
81 
116 
103 
577 
60 
149 
1 
9 
10 
43 
16 
31 
4 
63 
5.2 
20.0 
12.3 
37.0 
15.5 
5.3 
6.6 
72.2 
13 
7 
53 8 
S. N. 148, C. I. 620 
Aberdeen, 1920 
[Brooklyn, 1921 
/Aberdeen, 1920 
\Brooklyn, 1921 
/Brooklyn, 1921 
IBrooklyn, 1922 
Clydesdale, S. N. 191, 
73 
26 
35.6 
C.I. 1626. 
Cornellian, S. N. 398, 
C. I. 1242. 
59 
541 
48 
139 
50 
104 
17 
1 
3 
28 

47 
28.8 
.1 
6.2 
20 1 
Columbia, 1920 

Culberson, S. N. 120, 
\ Ames, 1920. 
99 
74 
330 
235 
10 
272 
298 
324 
162 
176 
5 
22 
16 
25 
2 
14 
11 
40 
38 
40 
5.0 
29.3 
4.8 
10.6 
20.0 
5. 1 
3.6 
12.3 
23.4 
22.7 
45. 1 
C. I. 1873. 
Aberdeen, 1920 
Brooklyn, 1921 
92 
262 
43 
351 
242 
268 
187 
197 
160 
67 
18 
95 
101 
144 
187 
11 
32 
3 
6 
25 
34 
24 
9 
12 
5 


2 
1 
7 
11.9 
12 2 
Columbia, 1920 
Ames, 1919 
6.9 
1 7 
Ames,l920 .. 
10 3 
Culberson, S. N. 192, 
C.I. 273. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
12.6 
12.8 
4.5 
7 5 
Culberson, S. N. 295, 
(Brooklyn, 1921 
Columbia, 1920 
<L\mes, 1920 
127 
14 
83 
90 
139 
137 
130 
115 
107 
78 
66 
102 
117 
130 
150 
146 
118 
12 


1 
25 
17 
5 
7 
13 
2 
11 
14 
3 
43 
31 
43 
28 
9.4 


1.1 
17.9 
12.4 
3.8 
6.0 
12.1 
2.5 
16.6 
13.7 
2.5 
33.0 
20.6 
29.4 
23.7 
7.4 

o 
C. I. 691. 
Culberson, S. N. 359 
Culberson (Virginia 
Gray), S. N. 360. 
[Aberdeen, 1919 
/Aberdeen, 1920 
\Manhattan, 1920 
Aberdeen, 1920 
^Manhattan, 1921 
[Brooklyn, 1921 
[Ames, 1919 
1.9 
.6 
3.7 
141 
79 
133 
103 
124 
85 
6 
2 
1 
6 

3 
4.2 
2.5 
.7 
Culberson (selection), S. 
N. 193, C.I. 273-V. 
Culberson (selection), S. 
J Aberdeen, 1920 
1 Manhattan, 1920 
[Brooklyn, 1921 
/Aberdeen, 1920 
\Brooklyn, 1921 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
5.8 

3.5 
N. 194, C. I. 273-41. 
Culberson (selection), S. 
N. 344, C.I. 273-1-10. 
89 
129 
91 
136 
99 
125 
60 
104 
93 
94 
96 
94 
87 
60 
78 
182 
119 
45 
29 
24 
27 
1 
42 
11 
14 

13 
8 
1 
4 
2 

1 



7 

26.9 
20.9 
1.0 
30.9 
Culberson (selection), S. 
N. 345, C.I. 273-1-14. 
[Brooklyn, 1921 
Aberdeen, 1920 
Manhattan, 1920 
1 Pullman, 1920 
391 
115 
69 
8 
15 
22 
2.0 
13.0 
31.8 
11.1 
11.2 

12.5 
Brooklyn, 1921 
Columbia, 1920.: 
Ames, 1920 
148 
50 
131 
86 
148 
62 
17 
10 
16 
39 
61 
15 
11.4 
20.0 
12.2 
45.3 
41.2 
24.2 
8.6 
1.0 
4. 1 
Danish, S. N. 309, C. I. 
1669. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
2.1 

1.6 

Brooklyn, 1921 
Brooklyn, 1922 
120 
115 
43 
90 
124 
58 
123 
90 
43 
94 
58 
137 
67 
23 
3 
16 
27 
34 
20 
19 
1 
3 
23 
23 
47 
33 
19.1 
2.6 
37.2 
30.0 
27.4 
34.4 
15.4 
1.1 
6.9 
24.4 
39.6 
34.3 
49.2 


15.5 
Ames, 1919 

Danish Island, S. N. 149. . 
Aberdeen, 1920.. 
Manhattan, 1920 
Brooklyn, 1921 
Brooklyn, 1922 
Columbia, 1920 
Ames, 1920 
97 
76 
72 
109 
86 
90 
100 
45 
89 
63 
101 
87 
82 
89 
121 
84 
32 
267 
79 
4 
6 

11 
23 
26 
41 
14 
51 
32 
34 

1 
3 
1 
4 
1 
3 
1 
4.1 
7.8 

10.0 
26.7 
Danisu Island, S. N. 310, 
C. I. 1666. 
Aberdeen, 1919 
Aberdeen, 1920 
' Manhattan, 1920 
Pullman, 1920 
28.8 
41.0 
31.1 
57.3 
Brooklyn, 1921 
Brooklyn, 1922 
Columbia, 1920. 
Ames, 1920 
106 
93 
53 
114 
120 
171 
93 
17 
6 
1 

2 
4 
5 
16.0 
6.4 
1.8 

1.6 
2.3 
5.3 
50.7 
33.6 

1.2 
Danish Island, S. N. 311, 
C. I. 1684 (appears to 
be distinct from Nos. 
149 and 310). 
Aberdeen, 1919 
Aberdeen, 1920 
' Manhattan, 1920 
Pullman, 1920 
3.3 
.8 
4.7 
3.1 
Brooklyn, 1921 
[Brooklyn, 1922 
363 
83 
15 

4.1 

1.1 
1.2 
