SORGHUM SMUTS AND VARIETAL RESISTANCE 
39 
Table 9. — Results of inoculation experiments with head smut of sorghum on various 
sorghums at the Amarillo Field Station in 1916, 1917, and 1919 
1 
Group and variety 
Serial No. 
1916 
1917 
1919 
Plants 
Infection 
Plants 
Infection 
Plants 
Infection 
Shallu 
C.I. 85 
Number 
12 
83 
Per cent 

3.6 
Number 
176 
173 
Per cent 
1.7 
7.5 
Number 
235 
1,127 
659 
514 
Per cent 
0.4 
Sorgos and grass sorghums: 
Black Amber 
Black Dwarf 
S. P. I. 32384.... 
Kansas station. 
8.9 
.7 
Collier 
...do 
2. 5 
F.C.I. 1528 
F.C.I. 1480 
74 

720 
494 
1,668 
1,079 
1,260 
1,745 
1,062 

F. C.I. 01950-.. 
10. 5 
10. 2 
Red Amber 
Do 
F. C. 1.1534 
S. P. I. 17548.... 
138 
333 
4.3 
7.4 
295 
227 
12.8 
19.3 
27.5 
26.3 
16. 7 
C.I. 113a 
1. 3 
Do 
F.C.I. 1438 
S. P. I. 17539 
15 

313 
2.2 
Planter - 
44 
1,720 
1,117 
1,216 
654 

Mo. 138 
1. 9 
S. P. 1.35038 
231 
1.7 
2. 5 
F. C.I. 9576 
2.8 
S. P. 1.39269 
3. 5 
Sudan grass. - 
108 

137 
1.4 
Broomcorn: 
C.I. 243 
1,648 
845 
871 
673 
901 

Do .. 
C.I. 243-7-2 
C.I. 442 
126 
116 
121 
21 
4 
58 
178 
54 
93 
81 
87 
11 













Dwarf . 

C. 1.446 
176 
163 

.6 

Kaoliang: 
C.I. 310 
.1 
Mukden . .. 
C.I. 190 
C.I. 413 
528 
1,011 
674 
595 
604 
691 
467 
619 
1,097 
389 
1,412 
921 
334 
671 
1,493 
236 
737 
500 
477 
649 
623 
486 
693 

C.I. 324 
387 
221 
213 
215 
.7 



.6 
C.I. 171 
.2 
Do _ 
C.I. 328-1 
C. 1.424 


C. I. 293— 

Kafir: 
BlackhulL— 
C.I. 71 
142 
. 7 
.6 
Do 
C.I. 204 

Do 
C.I. 207 
15 
39 
26 
25 
9 
19 
32 







.8 
Blackhull (African) 
C.I. 321 
.5 
C.I. 340 
197 
.5 
. 5 
Sunrise.. . . .. 
C.I. 472 
C.I. 252 
C.I. 314 
C.I. 432 
1.8 
White. 
125 


Do.. 

Pink 
195 

. 1 
Do 

Pale Red (African) 
C.I. 316 
C.I. 34... 
22 
37 


. 1 
Red 
83 
34 
233 
263 



38.0 
.2 
Durra: 
C.I. 183... 
3.3 
Do... 
C.I. 246 
. 1 
Do 
White 
S.P.I. 17537.... 
C.I. 81 
C.I. 437 
7 
14 
14.2 

11.5 

Do 
228 
.4 
1.1 
Do... 
S.P.I. 14518... . 
S. P.I. 14628 
1 

Do i„_ 
486 
331 
133 
.2 
• 25.6 

522 
1,083 
172 
921 
693 
524 
- 680 
511 
1.7 
Do 
S. P. 1. 17535 
18.4 
Do.. 
S. P. I. 38592 
1.1 
Feterita: 
Feterita.. 
C.I. 182 
Texas station 3232 
C.I. 352. 
4 


Spur 

Milo: 
Standard White 
15 
11 
13 
3 




425 
311 
209 




Dwarf Yellow 
C. 1.332 

Standard Yellow 
C.I. 234 

Miscellaneous: 
Freed. 
S. P.I. 29166.... 
Do 
1,156 
288 
1,024 
6.0 
Giant Schrock 
12.8 
Schrock 
4. 1 
