368 
Journal of Agricultural Research 
Vol. XXV, No. 9 
Results of inoculation of urediniospores of Puccinia glumarum tritici from 
different original and immediate hosts on numerous wild grasses and cereals 
Original host. 
Wheat. 
Do 
Do, 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Immediate host. 
Wheat. 
-do. 
do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do 
Do, 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
do. 
do. 
do. 
do. 
do. 
do. 
do. 
Do 
Bromus mar - 
ginatus. 
Do. 
Do 
Do 
Do 
Do 
Do 
Do 
Do. 
Do, 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
-do. 
....do. 
Bromus mar- 
ginatus. 
Elymus cana 
densis. 
Elymus glau- 
cus. 
Sitanion juba- 
tum. 
Wheat. 
do. 
do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
.do. 
do. 
do. 
do. 
Plant inoculated. 
Agropyron cristatum 
Agropyron deser- 
torum. 
Agropyron inter¬ 
medium. 
Agropyron smithii ... 
Agropyron spicatum. 
Agropyron tenerum .. 
Bromus hordeaceus . . 
Bromus inermis . 
Bromus mar ginatus . 
Bromus polyanthus.. 
Bromus secalinus. . . 
Dactylis glomerata ... 
Elymus canadensis. . 
Elymus glaucus . 
Elymus condensatus. 
Elymus virginicus ... 
Hordeum gussonea - 
num. 
Hordeum jubatum ... 
Hordeum nodosum. . 
Hordeum pusillum. . 
Hystrix hystrix .... 
Sitanion jubatum. 
Barley. 
Oats. 
Rye. 
Wheat. 
Number of 
experiments. 
Infec¬ 
tion ob¬ 
tained. 
do. 
do. 
do. 
Agropyron smithii. 
Arrhenatherum ela- 
iius, 
Beckmannia erucae- 
formis . 
Bromus carinatus.. 
Bromus ciliatus .... 
Bromus hordeaceus. 
Bromus inermis .... 
Bromus japonicus . . 
Bromus pratensis . . 
Bromus secalinus . . 
Bromus tectorum... 
Elymus australis. .. 
Elymus canadensis . 
Elymus glaucus.... 
Festuca elatior . 
Barley. 
Wheat. 
No 
infec¬ 
tion ob¬ 
tained. 
Number of 
plants. 
12 
4 
5 
Inocu¬ 
lated. 
In¬ 
fected. 
ter of 
infec¬ 
tion. 
4 
3 
3 
30 
28 
4 
18 
12 
4 
45 
5 
1 
2 
2 
4 
39 
12 
2 
25 
2 
2 
74 
2 
1 
42 
35 
4 
20 
!5 
4 
24 
0 
0 
50 
0 
0 
14 
14 
4 
16 
12 
4 
28 
20 
4 
30 
28 
4 
12 
7 
4 
5 o 
35 
4 
35 
20 
4 
13 
13 
4 
13 
13 
4 
8 
7 
4 
235 
13 
2 
50 
0 
0 
120 
20 
2 
50 
40 
4 
9 
9 
4 
9 
5 
4 
9 
8 
4 
3 
0 
0 
22 
0 
0 
10 
0 
0 
26 
1 
1 Br. 
14 
2 
2 
40 
2 
1 
29 
4 
1 Br. 
25 
0 
0 Br. 
30 
2 
0 Br. 
10 
0 
0 
25 
0 
0 
20 
2 
1 Br. 
14 
5 
4 
10 
3 
4 
20 
0 
0 
13 
0 
0 
140 
114 
4 
