EXPERIMENTS WITH MARQUIS WHEAT. 
15 
ciates. The Marquis variety has been grown during three years, 1913 
to 1915., inclusive, and the annual and average yields of this and 
other varieties are shown in Table VII. The average yield of each 
variety is given graphically in figure 3. 
The data show that the Marquis outyields any of the other three 
varieties, representing three separate groups of wheat. It excels the 
Kubanka by only 5 per cent, but exceeds the Preston and Bluestem by 
25 and 30 per cent, respectively. Two plats of Marquis wheat were 
grown each year, the original seed having been received from separate 
sources. The yields given are an average of the yields of the two 
plats. The Glyndon, a Fife variety, was grown in 1913 and yielded 
17.4 bushels to the acre, while the two Marquis plats yielded 20.5 
and 22.3 bushels, respectively. Winter wheat has not been grown 
successfully in this part of Minnesota. 
Table VII. — Annual and average yields of the Marquis and three other varieties of wheat 
grown at the Northwest Experiment Station, Crookston, Minn., 1913 to 1915, inclusive. 
[Data presented by courtesy of the Minnesota Agricultural Experiment Station.] 
Yield per acre (bushels). 
Group and variety. 
Yield per acre (bushels). 
Group and variety. 
1913 
1914 
1915 
Aver- 
age. 
1913 
1914 
1915 
Aver- 
age. 
Fife: 
21.4 
27.8 
23.9 
14.6 
40.0 
38.0 
28.4 
26.8 
Preston: 
Preston 
18.2 
17.4 
17.7 
19.2 
28.1 
23.3 
21.3 
Kubanka (durum): 
Kubanka 
Bluestem: 
Haynes (Minn. No. 
169) 
20.0 
l 
A.verag 
e of the : 
CONCLt 
nelds of two lots. 
rsiONS. 
Two facts are shown clearly by figure 3 and Tables III to VII, 
inclusive, on which figure 3 is based. These facts are (1) that where 
hard red winter wheats of the Crimean group can be grown in this 
section they outyield any spring wheat, and (2) that Marquis wheat 
outyields other varieties of spring wheat at all these stations. These 
results are based on 3-year tests at all stations except Iowa, where 
they cover only two years. 
The gain in yield of the Marquis over other spring wheat varieties 
belonging to the Fife, Bluestem, and Preston groups is small. At 
St. Paul, Minn., and Lincoln, Nebr., the difference is only about 1J 
bushels. In central Iowa and eastern South Dakota it is 3 to 4 
bushels. At Crookston, Minn., however, the difference is about 7 
bushels. The gain in yield of the Marquis over durum wheats at the 
three northern stations in this section varies from 1.5 to more than 
5 bushels. 
