52 



BULLETIN 698, U. S. DEPARTMENT OF AGRICULTUEE. 



obtained from most varieties. This was due to a considerable extent 

 to their location on a part of the farm exposed to the ravages of 

 sparrows, by which much of the seed was destroyed. In 1908, a 

 good year, their yields compared well with those of the other varieties. 

 On the whole, however, their performance has been disappointing. 



COMPARATIVE YIELDS OF THE MILOS AND DURRAS. 



Table XVIII compares the annual and average yields of the leading 

 varieties of the milo-durra group. The data cover 5 milos, 5 Dwarf 

 milos, 1 lot each of Alba (White) milo, feterita, and White durra, and 

 6 durra-kafir hybrids, a total of 19 lots. Of these, 13 have been 

 grown during all years and 6 during only the last seven years. 



Among the six subgroups. Dwarf milo is seen to lead, with average 

 acre yields of 26 or 27 bushels. The Standard milos and Alba milo 

 and feterita come next, with acre yields varying from 20 to 23 bushels, 

 in round numbers. Below them rank the White durra and durra- 

 kafir hybrids. As noted previously, the average yields of the last 

 named probably would have been higher if they had not been seriously 

 attacked by sparrows in 1915, the year of very high crop yields. 



Table XVIII. — Annual and average acre yields of the leading varieties and races in each 

 of the subgroups of the milo-durra group of grain sorghums grown at the Amarillo Cereal 

 Field Station in all or most of the nine years from 1908 to 1916, inclusive. 



[In the statement of yields per acre the bushel is rated at 58 poimds.] 









A 



nnual and average acre yield (bushels). 







Variety and C. I. No. 



1908 



1909 



1910 



1911 



1912 



1913 



1914 



1915 



1916 



7 years, 

 1910 to 

 1916. 



9 years, 

 1908 to 

 1916. 



Milo: 



77 







19.0 



18.8 

 9.8 

 18.2 

 18.9 



O20.8 

 18.6 



6 18.5 

 18.2 

 20.0 



16.9 



14.7 



10.0 



9.1 

 5.4 



21.2 

 16.0 

 17.0 

 17.0 



28.2 

 24.4 

 30.1 

 33.3 

 39.3 



6 36.8 

 38.1 

 37.4 

 38.9 

 37.3 



37.5 



31.9 



26.4 



30.2 

 39.9 



28.2 

 34.1 

 46.1 

 30.3 



32.1 

 23.6 

 33.0 

 2.3.3 

 11.9 



6 13.3 

 11.2 

 24.0 

 19.1 

 34.6 



15.8 



24.5 



24.3 



3.0 

 4.1 



6.0 

 11.6 



5.0 

 11.5 





 

 

 

 





 

 

 

 

















 





 

 

 



8.3 

 12.8 

 10.7 

 14.8 



8.4 



30.0 

 31.0 

 30.0 

 27.1 

 16.2 



11.4 



18.5 



22.4 



16.2 

 20.7 



13.8 

 14.8 

 8.6 

 19.3 



56.2 

 64.8 

 60.0 

 58.6 

 67.6 



i4.1 

 62.7 

 70.3 

 72.4 

 68.3 



59.3 



52.1 



36.9 



34.5 

 24.5 



28.1 

 17.9 

 29.3 

 36.2 



6.6 

 7.6 

 6.6 

 6.9 

 7.2 



7.6 

 6.9 

 9.7 

 10.3 



8.6 



4.8 

 14.5 

 4.5 



7.2 

 2.4 



5.7 

 1.7 

 3.5 

 3.5 



21.5 

 21.7 

 21.5 

 22.2 

 21.9 



26.1 

 24.1 

 27.2 

 26.6 

 26.4 



20.8 



22.3 



17.8 



14.3 

 13.9 



14.7 

 13.7 

 15.6 

 16.8 





223 



37.4 

 30.4 

 43.2 



16.5 

 3.6 

 5.8 



22.9 



232 



20.5 



234 



22.7 



235 





Dwarf milo: 

 149 



a 42. 6 



a 12. 4 



26.4 



236 





332 



6 39.5 



C14.3 



27.1 



347 





359 









Alba (White) milo: 

 352 









Feterita: 



182 



40.2 

 35.7 



41.0 

 27.4 



41.0 

 27.4 

 35.7 

 35.7 



9.3 



7.7 



2.8 

 7.8 



2.8 

 7.8 

 4.2 

 4.2 



22.8 



White durra: 



81 



18.7 



Durra-kafir hybrids: 

 Black glumed— 



198-7-3 -.. 



198-5-3 



White glumed— 



198-7-3 



198-15-3 



240 



16.0 

 14.7 



16.3 

 14.6 

 16.6 



240-6 



17.5 



a Average of three plats. 



6 Average of two plats. 



c Average of four plats. 



