VARIETAL SUSCEPTIBILITY OF OATS TO SMUTS 
27 
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 
Num- 
ber 
Per 
cent 
Aberdeen, 1920. 
Brooklyn, 1921 
Brooklyn, 1922 
Ames, 1920 
Aberdeen, 1920... 
Manhattan, 1920 
Brooklyn, 1921 
Brooklyn, 1922 
95 
98 
107 
113 
132 
193 
205 
86 
305 
270 
118 
665 
46 
645 
862 
2 
11 
1 
3 
7 
4 
5 





1 
2 
6 
2.1 
11.2 
.9 
2.6 
5.3 
2.0 
2.4 





2.1 
.3 
.7 
Burt, S. N. 254, C.I. 293. . • 
Burt, S. N. 339 (a com- , 
mercial strain) . 
95 
72 
124 
110 
247 
134 
68 
273 
325 
68 
629 
56 
408 
626 
129 
404 
654 
218 
230 
256 
811 
228 
529 
1,082 
316 
441 
960 
90 
109 
132 
132 
82 
213 
143 
153 
503 
65 
39 
4 
1 
1 


5 
2 
2 
1 

1 

2 
1 

1 
2 
3 
1 
1 
3 
1 

6 
1 
2 
2 

1 
1 

2 
7 

3 
3 
3 

4.2 
1.3 
.8 


3.7 
2.9 
.7 
Columbia, 1920 
Ames, 1919 . 
.3 

Ames, 1920. . 
.1 
Fulghum, S.N. 129.. 
Aberdeen, 1919 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 

.4 
.1 

Brooklyn, 1921 
Brooklyn, 1922... 
488 
715 
194 
212 
159 
831 
210 
• 660 
1,036 
2 
1 
4 
1 
1 
2 

2 
15 
.4 
.1 
1.9 
.4 
.6 
.2 

.3 
1.4 
.2 
.3 
1.3 
Columbia, 1920 
Ames, 1919 
.4 
.3 
Ames, 1920 
.3 
Fulghum, S. N. 257, C.I. 
708. 
Aberdeen, 1919 
Aberdeen, 1920... 
Manhattan, 1920 
Pullman, 1920 
.4 

.6 
.3 
Fulghum (Kanota), S. N. 
264, C. I. 839. 
Brooklyn, 1921 
Brooklyn, 1922 
Aberdeen, 1920 
Brooklyn, 1921 
Brooklyn, 1922 
(Ames, 1920 
640 
1.011 
249 
143 
104 
124 
158 
245 
8 
6 
6 
1 
1 

2 
5 
1.2 
.6 
2.4 
.6 
.9 

1.3 
2.0 
.4 
.2 

.9 
.7 

Fulghum (Kanota), S. N. 
368. 
Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920 
2.4 
3.2 

Brooklyn, 1921 
Brooklyn, 1922.. 
(Columbia® .. 
214 
499 
60 
47 
69 
90 
98 
26 
62 
45 
4 
1 
2 
1 
5 
6 




1.8 
.2 
3.3 
2.1 
7.2 
6.6 




1.3 
.5 
4.6 
Ames, 1920 

tion), S. N. 260, C. I. 
Aberdeen, 1920 
Brooklyn, 1921 
Brooklyn, 1922... 
(Columbia® 
396-4. 
81 
88 
37 
54 
3 
2 


3.7 
2.2 

Ames, 1919 

Aberdeen, 1920 
1 Pullman, 1920. 
Var. nigra, S. N. 130 
33 
39 
48 




Red Algerian, S. N. 256, 
Brooklyn, 1921 
Brooklyn, 1922 
Aberdeen, 1920 
(Columbia® 
80 
46 
9 
19 
42 
65 
66 
120 
74 
69 
45 
84 
83 
96 
164 
504 
2 


2 



11 
9 

1 




3 
2.5 


10.5 



9.1 
12.1 

2.2 




.5 


C.I. 840. 
24 
4 
16.6 
Red Rustproof, S. N. 131.. 
Red Rustproof, S. N. 262, 
C. I. 548-1. 
Aberdeen, 1920.. 
' Brooklyn, 1921 
Brooklyn, 1922 
Aberdeen, 1920 
• Brooklyn, 1921 
Brooklyn, 1922 
Columbia, 1920 
Ames, 1919_ 
64 
79 




62 
78 
45 
124 
66 
99 
100 
416 
172 
142 
62 
106 
72 
47 
51 
2 






6 

1 





3.2 



Ames, 1920 

Red Rustproof, S. N. 263, 
C.I. 775. 
Aberdeen, 1919 
{Aberdeen, 1920 
Manhattan, 1920 
Pullman, 1920... 


1.4 

Brooklyn, 1921 
Brooklyn, 1922 
(Ames, 1919 
184 
55 
116 
185 
51 
62 


1 
2 
1 
1 


.9 
1.1 
1.9 
1.6 
.7 


Red Rustproof (Hastings), 
S.N. 265, C.I. 884. 
Aberdeen, 1920 
1 Brooklyn, 1921 
iBrooklyn, 1922 



