6 BULLETIN 1014, U. 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, enalusive—Continued. 
- - Number of days from— : 
7 5 Et a a ea eee plants 
E tot Seeding toemer-| Emergence to Emergence to eet). 
Name of var ety-. | gence. first silks. paris 
os) ees is. | Sate eee pm | gs = 
oe ee hoi (tas eee Car oe ees Pe eee 
Season of 1916—Con. 
U.S, Selection 120.| 16 | 9]....| 7 | 84] 66 |....| 51 | 187 | 140 ]_.-.. Wee OM OS eek DB) [aseinn 7.3 
APIA a ase eee 18 | 11 TB ls Aye ee Be eas eh 7.5 (ie Loess 7 fae fi 
U.S. Selection 119.) 17 | 10 lier ri leyh les tea Se Serk eee 6.5 { af. Odises2- 6.5 
Average (22 va- 3 
TietieS).-...... 16} .9 |-2<.| 27. | 66.)°58 d-- 5 4.424.990) 109 |. as! b84| 5.6] 4.4 |..0 2. 5.5 
Season of 1917: 1 Oe le | 
Northwestern oH 
Dents ae sae 20/10} 6| 6| 57{ 43] 34 (2483.13.01 9. 51/9 5559), 40 
Brown County 
Yellow =; 20| 10). 6 | 6] 57} 43 | 35 12/8342 3:0 | 5:0 1- 525] 455 
U.S. Selection 133.) 20| 10} 6{| 6] 65) 47} 38 81| F S-Di we Oy Os OHERO. D 
‘Minnesota 13._.... 20} 10) 6] 6} 63} 42 | 37 79| F 3.5 | 6.5] 6.5] 4.5 
Martens White : 
Dent: ee 20; 10) 6] 61] 58) 43 | 35 8 |} F 3.0] 5.5-| 6.04) °4.0 
Rustler White 
ONG. Sse se 20} 10] 6]-6 } 63 | 47-| 40 85 | F SDA wea! Doiaa-O 
Disco 90-Day.. 20/10} 6} 6) 65} 48 | 40 87.) F 3:0 |. 6.2elyqioOdh 4.2 
HTLONG cee oe 20|10; 6| 6] 64} 46} 39 87 | F 320 e527 de 6a54a D2 
Cornforth Dent....| 20| 10} 6| 6] 57 | 41 | 33 72) F 3.0] 5.0] 6.5] 4.5 
Early Huron...... 20; 10} 6} 6] 65 | 48] 40 92| F 3.0) 7.2] 7.5] 5.5 
Rocky Mountain 
Dent-2 sss 20; 10} 6| 6] 65 | 51 | 42 97 | F 3.5>] £8304>.8-P)er5s5 
U.S. Selection 193.| 20} 10} 6| 6) 65 | 48 | 43 97) F 5.0} 8.0] 8.0] 5.7 
Wilson WhiteCap. 20 10| 6/ 6] 68) 48} 43 92 At 590 B20} < S204) 5.7 
Long Island Yel- t 
low Dent.-...._.. 20/10] 6] 6| 71] 51} 44 101| F 5.5 | 8.5 | 8.0] 5.7 
Woods Northern 
White Dent-....| 20} 10] 6] 6] 75] 51 128 | 108:| 107 | F 6.0 42 852 B5545 35.2 
100-Day Bristol...| 20| 10} 6| 6) 77 | 55 131 | 115 | 108; F 7.5 | 10.0} 9.0] 6.0 
U.S. Selection 120.| 20! 10} 6| 6/| 84] 61 138],123 | Eo} fF 8.0 | 10.5 | 10.0} 6.2 
davana. ees: 20| 10} 6} 6{| 96 | 70 145 | 133| F | F 8.0 | 12.0} 10.5] 5.7 
U.S. Selection119.| 20; 10} 6}; 6) 87 | 62 140 | 126| F F 8.0 | 11.5 | 10.0} 5.7 
Average (19 va- 
TietieS)........ 20} 10} 6] 6{| 68] 50 113 | 102 | c88 | 483 4-6) Oa atso 4A 5.4 
Season of 1918: | 
Northwestern) 
Dentse 2. eo | 10} 10; 8| 7 | 42] 40 82] 81] 82]...,-| 5.0] 5.2] 5.5] 5.2 
Cornforth Dent... 10,10) 8| 7 | 41 | 36 he Ie 85 }..-..| 5.0] 5.0] 5.7] 5.2 
U.S. Selection .133.; 10) 10; 8] 7 | 48 | 45 89.1286 [oo HE Sy Si eG: ON Beato a 
Minnesota 23...... 10} 10| 8| 7| 47] 43 S74 Bi 1821s ake 5.0 |) 2 eae 
Martens White; || { 
Dent: .ecae Fa 10) 10| 8| 7) 48] 42 1S BOM NRA ES tees 5.0| 5.5] 5.7] 5.5 
Disco 90-Day......) 10 | 10; 8 7 | 49 | 46 PAB Rad So's ual [SG So | PREIS Sadi 1 G0) lens OA EPOS 
Milton: | ee 10; 10| 8 7 | 50} 47 O41 VOL Pee ae 28 5.21 6.0) 6-58) 537 
Early Huron...... 10; 10} 8} 7] 49) 46 mE. BN ie ot) | ca | PE 6.521. 6:74), 70.4 27.0 
U.S. Selection 193.10 | 10; 8| 7 | 54] 50 pd O1e) 93 Jo 2 aie as 6.5] 7.2! 7.0] 7.0 
Wilson WhiteCap.| 10; 10| 8} 7 | 49| 49 O64 PS20b :. dees 6.5) %240itataiel.o 
100-Day Bristol...| 10 | 10) 8| 7 | 55] 53 101i S97: | -e 5ST (Sed as al 82 
U.S. Selection120.; 10) 10| 8) 7 | 62} 58 105g 10 |= - 8.7) 85) 9.0] 8.2 
baring 2 ee. ae C8 Ve Ce ae Se Ee a ae re 127) Eee Se Se | 9.20 8.2; 9.0] 8.5 
U.S. Selection 119. 10 |} 10) 8) 7] 69 | 64 111 | 113 Jib Ooo 8.2 9.0} 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: | | | is lek ae 
White Ree........) 14/10] 6| 6{ 45] 33 | 41 |. bes = lee ss! 71). 4.2) 4.2, 3.7) 3.3 
Cornforth Dent...., 14| 10} 6! 6] 51 | 36 | 41 |. LS 84) 683 he 6.0 oO 4: Shorea 2 
Northwestern | | 
Dent. ¥2 21.3: 114130! 6! 6! 52) 371 44)... 1..-..1.- ..1. 86} 861 5.0! 5.0] 5.54 5.2 
ti a vEnEe of 11 varieties that matured. Thesame 11 varieties averaged 99 days from both the April and 
ay Seedings. 
c Average of 16 varieties that matured. The same 16 varieties averaged 107 and 97 days from the April 
and May seedings, respectively. ‘ 
d Average of2 varieties that matured. Thesame 2 varieties averaged 92, 85, and 72 days from the April, 
May, and June seedings, respectively. 
