BROOM-CORN EXPERIMENTS AT WOODWARD, OKLAHOMA. 25 
Table VIII shows that a selection of Dwarf broom corn (C. I. No. 
597) made the highest average yield of good brush in the 2-year 
period, with the Acme variety taking second place, while several 
other Dwarf selections are close competitors for third place. In the 
5-year period, the Acme and the Dwarf (C. I. No. 535) tie for first 
place, with an average yield of 392 pounds of good brush. The 
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Fic. 7.—Diagram showing tbe annual and average percentage of good brush in the total 
yield produced by the Standard, Acme. and Dwarf broom corn grown in varietal 
experiments at the Woodward Field Station during the 5-year period from 1914 to 
1918, inclusive. 
Dwarf (C. I. No. 557), with an average yield of 387 pounds, or only 
5 pounds less, takes a close second place, and the Standard (C. I. 
No. 556) takes third place, with an average yield of 331 pounds in 
this period. The 5-year average yield of the Standard, Acme, and 
Dwarf varieties is shown graphically in figure 6. 
From the standpoint of the percentage of good brush in the total 
yield produced in the 5-year period from 1914 to 1918, inclusive, the 
147841 °—20—Bull. 836 + 
