24 
BULLETIN 1239, U. S. DEPARTMENT OF AGRICULTURE. 
Table 19. — Results of an experiment to determine the possible relation of date of 
seeding to bunt infection of resistant and susceptible varieties of wheat sown at 
Pullman, Wash., on successive dates during the interval from April 23 to May 
22, 1915. 
Production of bunted plants and heads (per cent). 
Sown Apr. 23. 
Sown May 5. 
Sown May 8. Sown May 15. Sown May 22. 
Variety. 
Plants. 
® 
o 
Plants. 
. 
m 
T3 
1 
-a 
o 
a 
3 
n 
Plants. 
4 Plants. 

3 

a 
« 
Plants. 
CO 
1 
£1 
PL, ,5 
*** 
_ o 
Ph2 
A r. 
Si 
Hunted 1 
Partly 
bunted. 
"38 
•N3 
oa a 
P-x: 
ftd 
fl a 
f 1 
d 
Hybrid 143 
7.6 
22.7 
15.8 
10.3 
6.3 
6.8 
2.1 
4.8 
9.5 
16.6 
29.2 
52.8 
7.4 
2.7 
5.2 
.6 
1.8 
2.4 
19.2 
45. P 
57.9 
11.0 
3.9 
9.4 
1.4 
3.4 
5.0 
9.4 
24.9 
22.4 
6.7 
3.2 
8.1 
2.7 
3.9 
7.7 
8.2 
12.2 
27.1 
1.9 
.7 
2.6 
.8 
3.9 
2.0 
13.4 
29. 5 
42.4 
4.0 
2.5 
I 

9.5 
22. 9 
35. 6 
3.9 
5.4 
8.3 
13. 
11.9 
12.9 
16.0 
20.1 

.6 
1.1 


1 
16.0 17.4 
23.7 16.4 
39.5 35.5 
2.4 14.5 
2.0 29.1 
5.0 21.3 
, 1.5 
11.1 
25.1 
36.1 
57.1 
15. 7 
4.1 
4.3 
4.1 
.5 
1.1 

45.0 
69.7 
66.6 
7.6 
12.6 
8.5 
...: 8 
0.8 
26.8 
25.0 
4.0 
6.0 
7.8 
1.1 
6.0 
11.1 
10.1 
1.6 
25.6 
•7 

2.9 
.5 
.6 
1.2 
7.0 
RedCh ff 
Early Wilbur 
Minnesota 163 
'35.4 
1.5 
7 
Minnesota 188 
Flo ence 
Scotch Fife.. . 
3.2 
.3 
Minnesota Bluestem. . . 
Table 20. — Relative susceptibility to bunt of 26 varieties of spring-sown wheat, 
emmer, spelt, and rye and 22 varieties of winter wheat sown at Pullman, Wash., 
in 1915. 
Spring Wheats Sown in Plats of Four 1-Rod Rows on April 13, 1915. 
{Seed of varieties marked with a star (*) was Washington grown; seed of tho;e marked with a dagger 
(f) was Minnesota grown.] 
Variety. 
Earlv Wilbur 
Jenkin Club 526. . 
Little Club 500.. . 
Red Fife 268 
Rel Fife 613 
Minnesota 163*.. . 
Minnesota 163f.. . 
Minnesota 188}.. . 
Minnesota 188*.. . 
Marouis 576 » 
Brown's Glory 550 
llvbiid 143 
NoeM7 
Dicklow630 
Production of bunted plants 
and heads (per cent). 
Plant-'. 
1: 
Bunted 
Bunt 
Wholly 
Partly 
heads. 
free. 
bunted. 
banted. 
5.94 
35.64 
58.42 
84.01 j 
69.76 - 
13.04 
32. 61 
54. 35 
6.25 
57.44 
36.31 
84. 26 
14.52 
30.64 
54.84 
70.69 
35. 09 

64. 91 
22. 57 
14.55 
21.82 
63. 63 
44.81 
25.37 
14.92 
59.71 
40. 25 
19.15 
19. 15 
61.70 
49. 25 
21.43 
17.86 
60.71 
51.67 
16.22 
1.80 
81.98 
47.78 
9.62 
49.04 
41.34 
81.44 
9.75 
51.22 
39. 03 
80. 03 
58.24 
10.99 
30.77 
18.72 
1.49 
70.15 
28.36 
91.71 
Production of bunted plants 
and heads (per cent). 
Variety 
Plant > 
Bunt Wholly Partly 
free, bunted, bunted. 
Bunt- 
ed 
he ids 
Alaska 552 
Red Allen 265 
Florence 
Bluestem 
Sonora 279 
Early Baart 618. . 
Chul' X Bluestem. 
Talenco615« 
Columbian 
Kubanka 
Emmer 
Snelt 
Polish 
Rye 
84. 75 
9.52 
71.74 
10. 64 
4.09 
7. 14 
3.66 
5.43 
13.98 
56. 30 
12.90 
21.80 
86. 84 
100.00 

41.67 
.87 
36. 17 
70. IS 
26.19 
59.76 
50.00 
IV v_> 
6.72 
33. 87 
7.69 


4.97 
77.95 
8.02 
77. 63 
8S.34 
71.23 
85. 69 
76.88 
74.97 
29. 39 
64. 96 
36. 32 
! 37 

Winter Wheats Sown in Plats of Six 1-Rod Rows on October 13, L915. 
Turkey 
Florence 
Winter Fife 
Fortyfold 
Berberiseo. . 
Hybrid 143 
Coppei 
Alaska 
TrinJel 
Turkey x Little 
Club X Turkey. 
Re 1 Russi in 
Washingto 
Winter Bluestem 
X Turk,- 
Bluestem 
30.00 
3.33 
66.67 
20.30 
37.88 
2.81 
59.31 
18.32 
.87 
92.99 
6.1J 
94.84 
13.71 
35. OS 
51.21 
75.65 
4. 65 
75. 58 
19.77 
92. L8 
1.71 
77. 65 
17.61 
95 i" 
9.49 
64.96 
25. 55 
83. 45 
46. 75 
4 ). 2 i 
31.65 
12. SI 
55. 03 
32.16 
76. is 
4.85 
48.89 
16. 26 
85. 1 1 
15.05 
46. 90 
38.05 
5. 73 
24.21 
84.24 
Hybrid 128 6. 
Little Club 6. 
Quadruplet 10. 
Re l Russian 15. 
Turkey X Winter 
Fife (Washing- 
ton 587) 
Winter Fife \ 
Turkey v Win- 
ter Fife x Lit- 
tle Club 3. 
Hybrid 123 4. 
Bvbrid60 
Triplet's Fister... 3. 
5alzer*S Marvel. .. 58. 
14 
12 
91.12 
13 
72.21 
62 
47. 92 
B4 
79. 22 
60 
61.26 1 
7s 
84.93 
46 
52 
64.08 
03 
12.29 
14.00 
2. 46 
17.66 
36. 46 
35. i t 
in. 9 
6. M\ 
32. 40 
29. 68 
89. 39 
68.71 
14.94 89.49 
85. 49 
90. 57 
94. 13 
90. 18 
69. 63 
1 In Marqui . only 13.29 per ceDl ol the lie ids were entirely bunted, and 34.49 per oent of the heads con- 
tained both bunt. 
: ii: Talenco, 10 per cenl were partly bunte l be ei> 
