Feb. 4. 1918 New-Place Effect in Maize 233 



of each of the kinds so that the portions sent to the several localities 

 should be as nearly alike as possible. The order of planting was the same 

 at all the places, as follows: Every alternate row was planted to the 

 Boone variety, which was used as the male parent in making hybrids. 

 The seed of each of the four varieties, including the Boone itself, was 

 planted in the rows alternating with the Boone. 



The Boone plants standing in the alternate rows throughout the field 

 were allowed to shed pollen. All others, including the interplanted 

 Boone, were detasseled, so that the only pollen shed was from the Boone 

 variety. Seed was saved from the detasseled rows only. This was of 

 four kinds, (i) Stockton X Boone, (2) Strawberry X Boone, (3) Hickory 

 King X Boone, and (4) cross-pollinated seed of the Boone. At each 

 locality the experiment was placed at a distance from all other corn. 



In 1 91 3 it was planned to compare the behavior of the plants raised 

 from the seed produced at the three localities when grown at each of 

 these places. Although grown in the same field, no attempt was made to 

 compare the relative merits of the several hybrids, each hybrid together 

 with the pure-seed Boone constituting a separate experiment involving 

 only the comparison of the yield from the seed of the three localities. 

 Thus, there were four experiments to be made at each of the three 

 places. Since the arrangement was the same at all places, one 

 description will suffice. 



To compare the Stockton X Boone hybrid from the three localities, 

 the seed from the several places were planted in adjoining rows, the 

 first row from the Kansas seed, the second from the Texas seed, and the 

 third from the Maryland seed. The series was repeated 10 times, making 

 10 distinct comparisons. A similar procedure was followed with the 

 three other hybrids and with the pure-seed Boone. 



At Stockton, Kans., excessive drouth destroyed the entire corn crop. 

 Since no results were secured from Stockton, the behavior of the Kansas- 

 grown seed will be eliminated from the discussion of the results, which 

 will be confined, therefore, to the experiments conducted in Texas and 

 Maryland. 



At Victoria, Tex., the rows were 100 feet long. The seed was drilled, 

 and the plants were thinned to about 2 feet in the row. When harvested, 

 a weighed sample of 20 pounds of ears was saved from each row. This 

 sample was thoroughly air-dried, after which it was again weighed to 

 determine the loss of water. The percentage of grain to cob was also 

 determined. No significant differences in water content or percentage of 

 grain were found in the crops from the seed from different localities, and 

 these determinations are, therefore, not discussed. 



At Lanham, Md., the seed was planted in hills 3 feet apart, in rows 

 132 feet long. The plants were thinned to one stalk per hill. The 

 method of harvesting was similar to that of Victoria except that no 

 determinations of dry weight were made. 



