28 
BULLETIN 1275, U. S. DEPARTMENT OF AGRICULTURE 
Table 2. — Results of inoculating seed of varieties and strains of different species 
of Arena 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 
Cstilago avenae 
Ustilago levis 
Total 
num- 
ber 
Infected 
Total 
num- 
ber 
Infected 
Num- 
ber 
Per 
cent 
Num- 
ber 
Per 
cent 
A vena sterilis— Continued. 
Red Rustproof, S. X. 338. 
Ames, 1920 - 
Aberdeen, 1920 
Manhattan, 1920 
Brooklyn, 1921 
(Ames, 1920... 
71 
74 
127 
52 
82 
108 
136 

2 
1 
2 

5 
12 

2.7 
. 7 
3.8 

4.6 
8.8 
86 
109 
64 
47 
58- 
50 
60 
97 
43 
75 
473 
605 
184 
589 
54 
120 
90 
147 
74 
101 
119 
82 
125 
56 
54 
89 
103 
25 
92 
109 
49 
50 
53 
1 
3 
2 
1 
2 
1 

4 
5 
2 
2 
5 



8 
1 
7 
6 







1 
1 



2 
4 
1.1 
2.7 
3.1 
2.1 
3 4 
Red Rustproof, S. N. 354, 
Aberdeen, 1920 
-Manhattan, 1920 
Pullman, 1920 
2.0 

4. 1 
C. I. 518-3. 
Red Rustproof (Ferguson 
Brooklvn, 1921. 
Brooklvn, 1922 
Aberdeen, 1920 
Manhattan. 1920 
Pullman, I92fl 
54 
86 
483 
703 
7 
1 

1 
12.9 
1.1 

.1 
11.6 
2.6 
. 5 
.8 

No. 71), S. N. 355. 
Brooklyn, 1921 
.Brooklvn, 1922 
Columbia @® 
Columbia, 1920 
Ames. 1920... . 
726 
43 
140 
75 
181 
101 
117 
135 


6 

3 
4 




4.2 

1.6 
3.9 




6.6 
1.1 
4. 7 
Selection (of Etheridge), 
S.N. 132, C.I. 1859. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
8.1 



Brooklvn, 1921 
Brooklyn, 1922 
f rnlnmhifl. (1) 
155 
66 
50 
54 
64 
26 
41 
105 




2 

1 
10 




3.1 

2.4 
9.5 



Ames, 1919 

Ames, 1920 . 
.9 
Turkish Rustproof, S. N. 
267, C. I. 356. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 192f) . 
4.0 



rrnlnmhia 
48 
30 
68 
47 
565 
130 
248 
509 
211 
GO 
63 

1 
4 
3 








3.3 
5.8 
6.3 







4.0 
Turkish Rustproof (selec- 
tion), S. N. 268, C. I. 
356-12. 
Ames, 1919 
7.5 
Aberdeen, 1920 .. 
Brooklvn, 1921 
Columbia ©® 
Columbia, 1920 
Ames, 1919... 
42 
537 
160 
67 
422 
166 
86 
58 
106 
53 
55 
268 
7 











16.6 



Ames, 1920 

A vena strigosa: 
29 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 




Brooklvn, 1921 
Brooklyn, 1922 
Columbia ® © 
Aberdeen, 1919 
Aberdeen, 1920 
Pullman, 1920 
-""67" 
112 
467 
82 
153 













S.N. 76 
96 
56 
90 
368 
205 
70 
53 
198 
57 
87 
459 
107 
352 















Brooklvn. 1921.. 
Brooklyn, 1922.. 
95 
427 
215 
70 
157 
218 
133 
323 
255 





















Columbia, 1920 
Ames, 1919 


Ames, 1920 

S.N. 133 
< Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman. 1920 




i Brooklvn, 1921 
/Aberdeen, 1920 
\Brooklyn, 1921 
425 
62 
95 







B. X. In, ('. I. 1782 
97 


