60 BULLETIN 698, U. S. DEPARTMENT OF AGRICULTURE. 
In the wet spring of 1915, however, when the average plant space 5 ! 
in all selections of standard Blackhull kafir was 23.7 inches, the space 
in Sunrise kafir was only 10.2 inches per plant. 
TaBLE XXI.—Agronomic data for Sunrise kafir (C. I. No. 472), grown at the Amarillo 
Cereal Field Station during the 8-year period from 1909 to 1916, inclusive. ¢ 
[In the statement of yields per acre the bushel is rated at 60 pounds.] 
Row space. | Length of period. Seed in— Yields per acre. 
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Year. bb Ee om S oy 
cs we. | © eg epee Ser tips S 
A a 8 = en 5 ® = D gj © eB 
= zs 5) = ZS ay 3 ed “ fo 1S 3S g 3 
3 3 ® Suis g ®o | @ & ° & 6 5 2 
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Ins. | Ins. |Days.|Days.|Days.| P. ct.| P.ct.| Feet: | P. ct.| P.ct.| P.ct.| Lbs. | Lbs. | Bus. 
1O09F =v oaees 12.3 | 10.6 SOU ER eae eee S485 ROGAGHIES eee eee eae eee S14) | ME S6 SSoeac 10.8 
LOLO Uae ce 17.0 6.6 90 37 127 | 61.4 | 49.4 | 5.3 | 26.5 | 10.1 | 38.6 | 4,485 11,178 7.6 
OU eee See ATM By) 82 41 1933s Wseegas 6.3 | 31.1 | 14.6 | 47.1 | 8,716 |2,716 | 21.4 
LOND Sh et 6.5 4.2 95 39 134 | 35.9 | 46.9 5.0 | 24.3 8.8 | 36.5 | 5,380 1,313 8.0 
II BiSa ae A eae Ds (alleoOllaone ae Sencar eae Bodh Bossad QE OM Reece teeeeyert ee eer | eee Sab ell oatwee e 
105 ee eee 8.2 | 4.6 77 29 106 | 44.4 | 51.2 |- 4.5 |... RAS see 4,400 |.-..-- 10.4 
Oe as eee 10.2] 4.9 84 47 131 | 52.4] 90.2} 5.5 | 42.1 | 30.7 | 73.0 |10,920 |4,600 | 56.0 
LONG i oc csedioe 9.1 4.4 107 21 128 | 51.8 | 65.6 1 Vel eae eae se ele, cae 000) lee == 9.3 
Average..| 9.2| 5.2] 88| 36| 125| 41.6 | aes 4.8 | ees | ry aes Were emer ay 15.4 
The average stalk space varied within much closer limits than 
did the plant space. The closest spacing was 3 inches, the widest 
was 10.6 inches, and the 8-year average was 5.2 inches. This is 
a very uniform spacing over a period of eight years and also a very 
close average spacing for a kafir variety having an average height 
of about 4.8 feet. In general, the tillering was proportional to the 
stand. The proportion of suckers varies from 13.8 to 61.4 per cent, 
the average being 41.6 per cent, or about one sucker to each 1.5 
main stalks. | 
The average acre yield is 15.4 bushels in the 8-year period, as 
seen in Tables XX and XXI. During the same eight years the 
average acre yield of five selections of Blackhull kafir was 12.7 
bushels, and that of the best one was 14.3 bushels. In 1913 none 
of the varieties produced any yields whatever, and in 1916 the 
standard Blackhull selections produced no grain, though Sunrise 
yielded at the rate of 9.3 bushels per acre. In 1909, Sunrise tied in 
yield with the best Blackhull kafir, and in 1910 it outyielded all 
Blackhull selections. In the other four years Sunrise was exceeded 
in yield by one or more of the standard selections, but never by the 
same one in all years. These comparisons can be seen to better 
advantage in Tables XX and XXX. 
DAWN (DWARF) KAFIR. 
The origin of this dwarf race (C. I. No. 340) has already been 
stated under Sunrise kafir, the two having developed in 1908 from 
selection No. 30, grown in the previous year. The chief difference a 
