| Table
1. Seed moisture content of six group IV soybean cultivars grown
under three management systems and harvested at two dates, 2 weeks
apart. |
| Cultivar |
Harvest
date |
Management
system1 |
| EPI |
EPNI |
LPI |
| |
|
% |
% |
% |
| Early
Maturing |
| DP3456 |
1 |
46.8 |
29.6 |
23.7 |
| DP3456 |
2 |
23.1 |
26.1 |
21.7 |
| HY4540 |
1 |
14.0 |
25.7 |
19.6 |
| HY4540 |
2 |
23.8 |
25.7 |
22.1 |
| A4715 |
1 |
19.5 |
29.4 |
25.0 |
| A4715 |
2 |
23.6 |
27.9 |
22.1 |
| Late
Maturing |
| H4994 |
1 |
38.3 |
34.9 |
20.1 |
| H4994 |
2 |
10.1 |
10.0 |
-- |
| HBK49 |
1 |
33.1 |
38.9 |
20.9 |
| HBK49 |
2 |
12.9 |
11.1 |
-- |
| RA452 |
1 |
15.2 |
18.3 |
21.1 |
| RA452 |
2 |
11.5 |
10.8 |
-- |
| |
|
|
LSD
(0.05) = 8.5 |
|
| 1EPI
= early planted, irrigated; EPNI = early planted, non-irrigated; and
LPI = late planted, irrigated.
|
| Table
2. Seed yield of six group IV soybean cultivars grown under three
management systems and harvested at two dates, 2 weeks apart. |
| Cultivar |
Harvest
date |
Management
system1 |
| EPI |
EPNI |
LPI |
| |
|
lb/A |
lb/A |
lb/A |
| Early
Maturing |
| DP3456 |
1 |
2,764 |
2,880 |
2,069 |
| DP3456 |
2 |
3,227 |
2,766 |
2,293 |
| HY4540 |
1 |
3,324 |
3,563 |
2,077 |
| HY4540 |
2 |
3,285 |
3,178 |
2,334 |
| A4715 |
1 |
3,514 |
2,992 |
2,313 |
| A4715 |
2 |
3,426 |
3,681 |
2,203 |
| Late
Maturing |
| H4994 |
1 |
2,411 |
2,317 |
2,436 |
| H4994 |
2 |
2,911 |
2,894 |
-- |
| HBK49 |
1 |
2,595 |
2,366 |
2,288 |
| HBK49 |
2 |
3,521 |
3,486 |
-- |
| RA452 |
1 |
2,875 |
2,902 |
2,256 |
| RA452 |
2 |
3,190 |
3,110 |
-- |
| |
|
|
LSD
(0.05) = 709 |
|
| 1EPI
= early planted, irrigated; EPNI = early planted, non-irrigated; and
LPI = late planted, irrigated.
|
| Table
3. Standard germination immediately after harvest of six group
IV soybean cultivars grown under three management systems and harvested
at two dates, 2 weeks apart. |
| Cultivar |
Harvest
date |
Management
system1 |
| EPI |
EPNI |
LPI |
| |
|
% |
% |
% |
| Early
Maturing |
| DP3456 |
1 |
83.3 |
87.7 |
89.0 |
| DP3456 |
2 |
29.6 |
26.5 |
70.5 |
| HY4540 |
1 |
91.6 |
93.1 |
91.1 |
| HY4540 |
2 |
36.8 |
49.6 |
75.0 |
| A4715 |
1 |
93.3 |
88.1 |
91.3 |
| A4715 |
2 |
49.8 |
45.3 |
68.3 |
| Late
Maturing |
| H4994 |
1 |
69.6 |
74.3 |
88.5 |
| H4994 |
2 |
63.1 |
72.5 |
-- |
| HBK49 |
1 |
60.1 |
67.0 |
89.6 |
| HBK49 |
2 |
46.0 |
49.3 |
-- |
| RA452 |
1 |
82.0 |
91.1 |
91.3 |
| RA452 |
2 |
70.3 |
73.6 |
-- |
| |
|
|
LSD
(0.05) = 11.0 |
|
| 1EPI
= early planted, irrigated; EPNI = early planted, non-irrigated; and
LPI = late planted, irrigated.
|
| Table
4. Seed germination after accelerated aging treatment immediately
after harvest of six group IV soybean cultivars grown under three
management systems and harvested at two dates, 2 weeks apart. |
| Cultivar |
Harvest
date |
Management
system1 |
| EPI |
EPNI |
LPI |
| |
|
% |
% |
% |
| Early
Maturing |
| DP3456 |
1 |
71.2 |
76.2 |
83.8 |
| DP3456 |
2 |
24.0 |
37.3 |
59.3 |
| HY4540 |
1 |
85.0 |
85.5 |
81.8 |
| HY4540 |
2 |
36.3 |
50.6 |
67.0 |
| A4715 |
1 |
82.1 |
85.0 |
81.0 |
| A4715 |
2 |
42.6 |
44.2 |
56.6 |
| Late
Maturing |
| H4994 |
1 |
77.3 |
79.8 |
82.8 |
| H4994 |
2 |
57.2 |
70.5 |
-- |
| HBK49 |
1 |
53.7 |
61.8 |
81.8 |
| HBK49 |
2 |
42.8 |
42.8 |
-- |
| RA452 |
1 |
88.1 |
83.0 |
81.2 |
| RA452 |
2 |
54.2 |
61.3 |
-- |
| |
|
|
LSD
(0.05) = 11.7 |
|
| 1EPI
= early planted, irrigated; EPNI = early planted, non-irrigated; and
LPI = late planted, irrigated.
|
| Table
5. Standard germination following 6 months in storage of six group
IV soybean cultivars grown under three management systems and harvested
at two dates, 2 weeks apart. |
| Cultivar |
Harvest
date |
Management
system1 |
| EPI |
EPNI |
LPI |
| |
|
% |
% |
% |
| Early
Maturing |
| DP3456 |
1 |
87.3 |
85.3 |
89.1 |
| DP3456 |
2 |
29.6 |
31.9 |
72.3 |
| HY4540 |
1 |
88.5 |
91.4 |
89.4 |
| HY4540 |
2 |
41.6 |
49.3 |
77.0 |
| A4715 |
1 |
87.5 |
89.5 |
91.2 |
| A4715 |
2 |
46.7 |
48.6 |
74.1 |
| Late
Maturing |
| H4994 |
1 |
73.1 |
73.5 |
92.3 |
| H4994 |
2 |
68.7 |
75.0 |
-- |
| HBK49 |
1 |
59.1 |
68.0 |
92.4 |
| HBK49 |
2 |
56.3 |
60.4 |
-- |
| RA452 |
1 |
84.8 |
86.4 |
91.6 |
| RA452 |
2 |
76.9 |
80.9 |
-- |
| |
|
|
LSD
(0.05) = 7.7 |
|
| 1EPI
= early planted, irrigated; EPNI = early planted, non-irrigated; and
LPI = late planted, irrigated.
|
| Table
6. Seed germination after accelerated aging treatment following
6 months in storage of six group IV soybean cultivars grown under
three management systems and harvested at two dates, 2 weeks apart. |
| Cultivar |
Harvest
date |
Management
system1 |
| EPI |
EPNI |
LPI |
| |
|
% |
% |
% |
| Early
Maturing |
| DP3456 |
1 |
68.1 |
71.0 |
81.7 |
| DP3456 |
2 |
20.8 |
35.4 |
40.7 |
| HY4540 |
1 |
75.9 |
86.0 |
86.7 |
| HY4540 |
2 |
33.4 |
46.9 |
61.8 |
| A4715 |
1 |
78.7 |
80.3 |
86.0 |
| A4715 |
2 |
36.9 |
41.9 |
51.8 |
| LateMaturing |
| H4994 |
1 |
78.4 |
81.0 |
83.7 |
| H4994 |
2 |
57.2 |
69.8 |
-- |
| HBK49 |
1 |
63.4 |
62.1 |
80.2 |
| HBK49 |
2 |
49.0 |
45.7 |
-- |
| RA452 |
1 |
85.2 |
82.8 |
79.4 |
| RA452 |
2 |
49.3 |
61.7 |
-- |
| |
|
|
LSD
(0.05) = 7.8 |
|
| 1EPI
= early planted, irrigated; EPNI = early planted, non-irrigated; and
LPI = late planted, irrigated. | |