68 Nebraska Agricultural Exp. Station, Research Bui. 20 
Table 24. — Rate of growth of standard Hogue's Yellow Dent 
corn , pure line strains , and first generation hybrids between 
pure lines. 1921. 
Description 
Age 
of 
plant 1 
Total 
plant 
height 
Stem 
height 
Length 
of 
tassel 2 
No. of 
leaves 
exposed 
Leaf 
area 
per 
plant 
Green 
plant 
weight : 
l Length 
of 
largest 
ear 
(1) 
Days 
(2) 
Inches 
(3) 
Inches 
(4) 
Inches 
(5) 
(6) 
Sq. in. 
(7) 
Grams 
(8) 
Inches 
(9) 
Pure lines . . 
Hybrids Fi . 
Original 
14 
14 
14 
DEVELOPMENT BY JUNE 16 
5 
9 
9 
6 
7 
7 
28 
83 
85 
5 
15 
16 
DEVELOPMENT BY JUNE 23 
Pure lines . . 
! 21 
11 
1.3 
0.0 
8 
89 
27 
Hybrids Fi . 
21 
18 
2.8 
0.1 
9 
212 
82 
Original .... 
1 21 
18 
2.5 
0.0 
9 
216 
90 
DEVELOPMENT BY , 
JUNE 30 
Pure lines . . 
28 
17 
4.8 
0.36 
10 
259 1 
121 
Hybrids Fi . 
28 
27 
10.4 
0.36 
13 
517 
290 
Original .... 
28 
28 
8.0 
0.48 
12 
500 | 
259 
DEVELOPMENT BY JULY 7 
Pure lines . . 
35 
25 
11.0 
1.4 
13 
436 1 
265 
Hybrids Fi . 
35 
39 
21.2 
4.5 
15 
751 
524 
Original .... 
35 
42 
22.7 
7.0 
14 
739 | 
505 
DEVELOPMENT BY JULY 14 
Pure lines . . 
42 
37 
21.1 
7.8 
14 
657 
513 
Hybrids Fi . 
42 
53 
42.0 
16.2 
15 
1,224 
1,034 
Original. . . . 
42 
50 
44.0 
17.0 
15 
1,235 
1,059 
DEVELOPMENT BY JULY 21 
Pure lines . . 
49 
58 1 
40.0 
16.0 
14 
705 
655 
Hybrids Fi . 
49 
82 
66.0 
23.0 
15 
1,200 
1,191 
Original .... 
49 
84 [ 
71.0 
25.0 
15 
1,245 
1,300 
FULL GROWN CORN AUGUST 9 
Pure lines . 
68 
79 
79 
18 
14 
731 
4.2 
Hybrids Fi . 
68 
99 
99 
24 
15 
1,204 
8.6 
Original. . . . 
68 
100 
100 
27 
15 
1,260 
8.7 
*Age of plant begins with day the corn came up. 
2 The tassel includes the stem between the last node and the first tassel 
branch. 
