14 
BULLETIN 1172, U. S. DEPARTMENT OF AGRICULTURE. 
Table 8. — Yields of 45 varieties of wheat and the average yield of each expressed as a per- 
centage of the yield of White Australian, as grown at the Plant Introduction Station, 
Chico K Calif, during some or all of the years in the 12-year period from 1910 to 1921, 
inclusive — Continu ed . 
C.I. 
No. 
Yield per acre (bushels). 
Per- 
cent- 
Class, group, and 
variety. 
1910 
1911 
1912 
1913 
1914 
1915 
1916 1917 1918 
1919 1920 
1921 
/ 
Aver- 
age. 
age 
of 
yield 
of 
White 
Aus- 
tra- 
lian. 
COMMON WHEATS— COn. 
Hard white spring: 
Talimka 
2227-1 
2495 
4980 
4733 
4981 
5125 
2826 
2227-2 
26.0 
85. 6 
31 ? 
46.8 
3S.0 
94 9 
24. 2 
108.2 
Do 
iC : ',8 A 
9Q r, 
100.0 
Hard Federation 

4."). 1 24 a 
42.9 
40.9 
Do 
36.7 
13. 8 _ . 5 1 1 5. 9 
White Federation.... 
-in n 
36 7 44 fi 12. 
Bunyin 
13 3 
73.9 
83.4 
107.2 
94.1 
6 92.8 
104.2 
110.2 
103.4 
90.3 
89.0 
74.7 
86.6 
85.8 
71.2 
Bobs 
::::::; 
16.8 
90 6 
28.8 
34.6 
Hard red spring: 
Chul 
30.3 SS.O 
36.2 47.8 35.7 27.7 21.5 
36 6 
Fretes 
1596 26. 7 
25.0 46.3 
Do 
1596-1 .... 
73.3 
78.6 
35.2 18.5 20.8 43.9 
29.6 
Do 
1596-2 
2203-4 
2203-2 
2511-2 
4158 
1437 
2208 
1442 
1558 
:::::::::. 
32.5 19.7 26.3 
Koola 
35.0 49.0 
Do 
39.9 30.6 31.5 
29. 8 12. 5 ... . 
36. 2 30. 5 31. 
r 
.... 
51.6 
40.0 54.1 37.6 19.2 20.2 
"36.O 16.4 
Marquis 
Hard red winter: . 
Crimean 
57.6 
55 3 
17.2 
TCharkof 
28.7 
Do 
..... .. 
37. 1 9n n 
25.4 
12.5 

Turkey 
56.3 
15.0 
Soft red winter: 
Illini Chief 

94 fi 
76.6 
CLUB WHEATS. 
"White winter: 
Hybrid 128 
4326 
4160 
4066 
4325 
3018- R 
2246 


16.2 
23.2 
92 A 
47 8 
30.3 
32.7 
39.6 
93.1 
White spring: 
Hybridl43 
Little Club 
32.7 
94.2 
50.1 
42 2 
32.8 
97 n 
35.9 
16 1 
100.5 
Red spring: 
Hybrid 123 
34. 24. 24. 3 
9K S 24 fi 
102.7 
26. 7 1 9. 5 24. 2 47. 8 24. 1 22. 1 
40.4 
93.8 
DURUM WHEATS. 
19 7 
36.3 
36.6 
34.6 
29.6 
39 3 
59.9 
2096 9.6 
1593 10. 7 
1440 8.5 
2221 2. 5 
26.2 
56.5 
48.4 
Kubanka 
29.5 
34.7 
24.5 27.9 
65.1 
Do 
37.2 
64.4 
68.8 
78.3 
57.0 
1595 
1494 
2575 
2227 
2235-2 
5535 
21.3 
21.3 

25.0 32.3 19.(1 

Cavarna 
30.0 29.7 
Velvet Don 
20.0 
33.3 

34.8 27.7 
::::: 
78.7 
POULARD WHEAT. 
Titanic 
21.819.8 
20.4 
62.2 
s Hard Federation (C. I. No. 4980) and Hard Federation (C. I. No. 4733) combined. 
• Fretes (C. I. Nos. 1596 and 1596-1) combined. 
Varietal Comparisons. 
PLAT EXPERIMENTS. 
A large number of varieties of wheat from various sources have 
been compared in the plat experiments at the Plant Introduction 
Station. (Fig. 2.) Table 8 shows the annual yields of 45 varieties 
of common wheat, 5 of club wheat, 10 of durum wheat, and 1 of 
poulard wheat grown during some years in the 12-year period fro m 
