6 



BULLETIN" 1014, XJ. S. DEPARTMENT OF AGRICULTURE. 



Table 2. — Effects of seeding on different dates upon the germination, growth, and develop- 

 ment of corn, in experiments conducted at Arlington Experimental Farm, near Wash- 

 ington, D. C, during the 6-year period from 1915 to 1920, inclusive — Continued. 





Number of days from— 



Height of plant 

 (feet). 





Name of var.ety. 



Seeding to emer- 

 gence. 



Emergence to 

 first silks. 



Emergence 

 ripening. 



;o 







ft 



< 



03 



1-5 



.3 





>> 



03 

 S 



i-> 



>> 



3 



1-5 



ft 

 < 



S3 

 S 



a 



a 



1-5 



>> 



a 



1-5 



ft 

 < 



S3 



a 



a 

 B 



H5 



■a 



1-3 



Season of 1916 — Con. 

 U.S. Selection 120. 



16 

 18 

 17 



9 

 11 

 10 





7 

 7 

 7 



84 

 91 



87 



66 

 73 

 70 





51 

 58 

 55 



137 

 F 



157 



140 

 F 

 140 





F 

 F 

 F 



6.0 

 7.5 

 6.5 



7.0 





7.3 



7.7 



U.S. Selection 119. 



7.0 





6.5 



Average (22 va- 

 rieties) 



16 



9 





7 



66 



58 





42 



110 



109 





6 84 



5.6 



4.4 





5.5 



Season of 1917: 



North western 

 Dent 



20 



20 

 20 

 20 



20 



20 

 20 

 20 

 20 

 20 



20 

 20 

 20 



20 



20 

 20 

 20 

 20 

 20 



10 



10 

 10 

 10 



10 



10 



10 

 10 

 10 

 10 



10 

 10 

 10 



10 



10 

 10 

 10 

 10 

 10 



6 



6 

 6 

 6 



6 



6 

 6 

 6 

 6 

 6 



6 

 6 

 6 



6 



6 

 6 

 6 

 6 

 6 



6 



6 

 6 

 6 



6 



6 

 6 

 6 

 6 

 6 



6 

 6 

 6 



6 



6 

 6 

 6 

 6 

 6 



57 



57 

 65 

 63 



58 



63 

 65 

 64 

 57 

 65 



65 



65 

 68 



71 



75 



77 

 84 

 96 



87 



43 



43 

 47 

 42 



43 



47 

 48 

 46 

 41 

 48 



51 

 48 

 48 



51 



51 

 55 

 61 



70 

 62 



34 



35 

 38 

 37 



35 



40 

 40 

 39 

 33 

 40 



42 

 43 

 43 



44 



46 

 47 

 49 

 61 

 56 



34 



34 

 38 

 35 



39 



37 

 39 

 38 

 37 

 36 



41 

 41 

 40 



41 



46 

 47 

 51 



67 



58 



92 



92 

 107 

 107 



107 



107 

 107 

 107 

 92 

 107 



107 

 107 

 107 



112 



128 

 131 

 138 

 145 

 140 



83 



83 

 90 

 88 



93 



93 

 95 

 98 

 85 

 101 



101 

 101 

 101 



108 



108 

 115 

 123 

 133 

 126 



72 



72 

 81 

 79 



85 



85 

 87 

 87 

 72 

 92 



97 

 97 

 92 



101 



107 

 108 



F 



F 



F 



83 



83 

 F 

 F 



F 



F 

 F 

 F 

 F 

 F 



F 

 F 

 F 



F 



F 

 F 

 F 

 F 

 F 



3.0 



3.0 

 3.5 

 3.5 



3.0 



3.0 

 3.0 

 3.0 

 3.0 

 3.0 



3.5 

 5.0 



5.0 



5.5 



6.7 

 7.5 

 8.0 

 8.0 

 8.0 



5.5 



5.0 

 7.5 

 6.5 



5.5 



5.7 

 6.2 

 5.7 

 5.0 

 7.2 



8.0 

 8.0 

 8.0 



8.5 



8.2 

 10.0 

 10.5 

 12.0 

 11.5 



5.5 



5.5 

 6.5 

 6.5 



6.0 



5.5 

 7.0 

 6.5 

 6.5 

 7.5 



8.0 

 8.0 

 8.0 



8.0 



8.5 



9.0 



10.0 



10.5 



.10.0 



4.0 



Brown County 



4.5 



U.S. Selection 133. 



Minnesota 13 



Martens White 

 Dent 



5.5 

 4.5 



4.0 



Rustler White 

 Dent 



4.0 



Disco 90-Day 

 Fulton 



4.2 



5 ?, 



Cornforth Dent 



Early Huron 



Rocky Mountain 

 Dent 



4.5 

 5.5 



5,5 



U.S. Selection 193. 



Wilson White Cap. 



Long Island Yel- 

 low Dent 



Woods Northern 

 White Dent 



100-Day Bristol... 



U.S. Selection 120. 



5.7 

 5.7 



5.7 



5.2 

 6.0 

 6.2 

 5.7 



U.S. Selection 119. 



5.7 



Average (19 va- 



20 



10 



6 



6 



68 



50 



42 



42 



113 



102 



c88 



d83 



4.6 



7.6 



7.5 



5.1 



Season of 1918: 



North western 

 Dent 



10 

 10 

 10 

 10 



10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 



10 

 10 

 10 

 10 



10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 



8 

 8 



8 

 8 



8 

 8 

 8 

 8 

 8 

 8 

 8 

 8 

 8 

 8 



7 

 7 



7 

 7 



7 

 7 

 7 

 7 

 7 

 7 

 7 

 7 

 7 

 7 



42 

 41 



48 

 47 



48 

 49 

 50 

 49 

 54 

 49 

 55 

 62 

 73 

 69 



40 

 36 

 45 

 43 



42 

 46 

 47 

 46 

 50 

 49 

 53 

 58 

 72 

 64 



38 



37 

 45 

 42 



44 

 47 

 45 

 44 

 47 

 46 

 50 

 56 

 67 

 59 



34 

 33 

 40 

 33 



39 



40 

 40 

 40 

 44 

 45 

 47 

 52 

 65 

 62 



82 

 79 

 89 



87 



89 



92 



94 



'94 



101 



96 



101 



105 



127 



111 



81 

 78 

 86 

 81 



84 

 88 

 91 

 91 

 93 

 92 

 97 

 110 



82 

 85 





5.0 

 5.0 

 5.7 

 5.0 



5.0 

 5.7 

 5.2 

 6.5 

 6.5 

 6.5 

 7.7 

 8.7 

 9.2 

 8.5 



5.2 

 5.0 

 6.0 

 5.2 



5.5 

 6.0 

 6.0 

 6.7 

 7.2 

 7.2 

 8.7 

 8.5 

 8,2 

 8.2 



5.5 

 5.7 

 6.2 

 5.7 



5.7 

 6.5 

 6.5 

 7.0 

 7.0 

 7.2 

 7.5 

 9.0 

 9.0 

 9.0 



5.2 



Cornforth Dent . . . 

 U S Selection 133 



5.2 

 5.7 



Minnesota 23 



Martens White 

 Dent. . 



82 





5.5 

 5.5 



Disco 90-Day 



Fulton 







5 7 







5.7 



Early Huron 







7 







7 



Wilson White Cap. 

 100- Day Bristol . . . 

 U.S. Selection 120. 







7 5 







8 2 







8.2 







8.5 



U.S. Selection 119. 



113 







8.5 









Average (14 va- 

 rieties) 



10 



10 



8 



7 



53 



49 



48 



44 



96 



91 







6.4 



6.7 



7.0 



6 7 









Season of 1919: 

 White Ree 



14 

 14 



14 



10 

 10 



10 



6 

 6 



6 



6 

 6 



6 



45 

 51 



52 



33 

 36 



37 



41 

 41 



44 









81 

 84 



86 



71 



83 



86 



4.2 

 6.0 



5.0 



5.0 

 5.0 



3.7 

 5.5 



5.5 



3.3 











5.2 



North western 

 Dent 









5.2 



6 Average of 11 varieties that matured. 

 May seedings. 



c Average of 16 varieties that matured, 

 and May seedings, respectively. 



d Average of 2 varieties that matured. 

 May, and June seedings, respectively. 



The same 11 varieties averaeed 99 days from both the April and 



The same 16 varieties averaged 107 and 97 days from the April 



The same 2 varieties averaged 92, 85, and 72 days from the April, 



