GRAIN-SORGHUM EXPERIMENTS IN THE PANHANDLE OF TEXAS. 
49. 
TasLeE X VI.—Agronomic data for durra-kafir hybrids grown at the Amarillo Cereal Field 
Year and 
C.1. No. 
» 
1914 (black 
glumes): 
198-15-3.... 
Average _. 
1914 (pale 
glumes): 
Average... 
1915 . (black 
Average... 
1915 (pale 
glumes): 
198-15-3..-- 
Average .. 
1916 (pale 
glumes): 
198-7-3 
Station during the 9-year period from 1908 to 1916, inclusive—Continued. 
| Row space.| Length of period. 
Yields per acre. 
+ 
| 
; 3 3 
ob & fon 
E eens . a eS 
ee ae fae See? OB (ia) se 
Sa es Sasha lite || SEP ates cele sel ype 
ey gs o Ai lh = 2 2 
ay n > me |e n ao} aa) 
Ins. | Ins. |Days.|Days.|Days.| P. ct.| P. ct.| Fect. 
10.6] 6.1 66 31 97 | 42.2 | 58.7 4.0 
112 O82 66 31 97 9.0 | 83.3 3.5 
10.9 8.2 66 31 97 | 25.6 | 71.0 BS o/ 
10.7 6.3 66 31 97 | 41.3 | 53.6 py) 
12.2) 10.7 66 31 97 | 11.5 | 74.2 355 
5.9 4.7 64 29 93 | 20.6 | 37.2 3.0 
8.2 6.1 57 39 87 | 26.0} 78.3 2.8 
9.2 6.9 | 63.2 | 30.2 | 98.5 | 24.8 | 60.8 3.2 
15.0 9.5 74 49 123 | 36.9 | 98.4 5.0 
15.4 | 12.4 74 49 123 | 19.1 | 95.8 5.3 
1592") 108.9 74 49 123 | 28.0 | 97.1 5a 2) 
1S 6.9 72 51 123 | 39.0 |100.0 5.5 
8.9 8.4 61 47 108 5.5 |100. 0 O30 
113},.33 6. 6 74 49 123 | 50.0 | 98.9 4.5 
8.3 6.6 64 54 118 | 20. 2 |100. 0 4.0 
10. 4 eal 68 50 118 | 28.7 | 99.7 4.8 
13.9 8.8 83 23 106 | 36.9 | 61.8 2.8 
29.0 | 25.0 78 37 115 | 13.9 | 55.5 2.8 
21.5 | 16.9 80 30 110 | 25.4 | 58.6 2.8 
13.1 9.7 80 65 145 | 25.7 | 23.8 2.5 
21.0 | 18.0 80 65 145 | 14.1 | 28.2 2.5 
7.8 5.2 117 28 145 | 32.1] 55.1 3.0 
16.5 | 12.4 63 34 97 | 24.2 | 63.6 223 
14.6] 11.3 |‘ &5 48 133 | 24.0 | 42.7 2.6 
Seed in— 
6, is 
So 
S a 
a>! 2 
2 Ela aaa rae 
fas} 
Si y[ Mow cap lak 
an oO fy = 
PR. cl\-P ct. Pct.) Lbs: 
rat? 20.2 |......| 4,640 
i 30.9 |......| 3,880 
ule: 25.5 |....-.| 4,260 
oe gt 18.8 |......] 4,240 
a ciike 25.0 |....--] 3,440 
ee 15.8 |......] 3,160 
oat 46.6 |.....-| 2,400 
pea 26/5) (Na oe SIO 
eee 34,9) |. 1587.20 
pati 3058 WT 47600 
Bek aes 32.98)... 1] 5,160 
TU RRNS 25.7 |... =| 61988 
eT, 19,8) |e 58940) 
Waste 3317. 2522) 5s 040 
Sail 52.5 |.....-| 4,000 
nee 39:9 (eee 158 
UM 19.4 |......] 2,160 
Es pati Tess exo 
ee | 20/7 |... ...| 1) 460 
pee tae | 20.8'|......| 1,600 
cae heat BOs esos CED 
Pena TAN ATLA 98790 
nese S135 ual aged 
A eae 1,355 
Nos. 237 and 240 were field hybrids occurring at the Amarillo field 
station in 1907. 
hull kafir and White durra. 
1912, but two selections of No. 240 are still grown. 
Presumably these also were crosses between Black- 
No. 237 was discarded at the end of 
No. 245 is sup- 
posed to be a cross between Edra (No. 244), a white durra from — 
Arabia, and some other variety. 
It appeared at Channing in 1906, 
and the selection was finally discarded at the end of its first season’ 
in 1908. 
The number of selections grown was increased from 16 in 1908 to 
18 in 1910 and then decreased until only 6 have been tested in each 
These include selections from only 2 of the 
of the last three years. 
56086°—18—Bull. 698——4 
