22 



BULLETIN 30, U. S. DEPARTMENT OP AGRICULTURE. 



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With two exceptions, all of the varieties reported in Table IX 

 belong to the hard winter group of wheats. Except for Ghirka 

 Whiter (C. I. Xo. 1438), which is not bearded, these hard varieties 

 are bearded, white chaffed, and red grained. 



The two varieties which do not belong to the hard group are 

 Japanese (C. I. Xo. 1787), eleventh in rank, and Gold Coin (C. I. 



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is a beardless, brown- 

 chaffed, soft, amber- 

 grained variety, and 

 Gold Com is beard- 

 less, brown chaffed, 

 soft, and white grained. 

 It will be remembered 

 that Gold Coin is one 

 of the most popular 

 winter wheats in the 

 Intermountain States. 

 A clearer under- 

 standing of the rela- 

 tive average yield of 

 the varieties listed in 

 Table IX can be 

 gained by studying 

 figure 7, which shows 

 graphically their av- 

 erage yields for the 



Fig. 7.— Diagram showing the average yields of 28 winter-wheat vari- five years 19 08 t O 

 eties for five years, 1908 to 1912, inclusive, at the substation. Nephi, 1 Q 1 9 

 Utah. 



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MISCELLANEOUS DATA OX WINTER WHEATS. 



After the grain yields of the winter-wheat varieties have been con- 

 sidered, the data most significant in making comparisons are (1) the 

 stand, (2) the date of heading, (3) the date of ripening, (4) the height, 

 (5) the ratio of grain to straw, and (6) the bushel weight of the grain. 

 A summary of these data for the past five years is presented in Table 

 X, each factor of which will be considered separately. 



