Durum seeding rate, Irrigated, Sidney, Montana
Joyce Eckhoff
|
2000
Planted: April 18 Harvested: August 2 |
|
variety |
Seeding
Rate
Seed/ac |
Seedling stand
Plants/ac |
Heading
Date1 |
Height
in |
Grain
Protein |
Test
Wt |
Yield
Bu/ac |
|
Plaza |
1,000,000 |
743,000 |
55.5 |
29.5 |
13.0 |
62.9 |
86.9 |
|
|
1,250,000 |
971,000 |
55.8 |
28.8 |
13.2 |
62.0 |
91.4 |
|
|
1,500,000 |
1,126,000 |
55.5 |
29.3 |
13.2 |
62.4 |
87.0 |
|
|
2,000,000 |
1,529,000 |
55.0 |
29.8 |
13.2 |
62.4 |
91.6 |
|
LSD 0.05 |
190,000 |
ns |
ns |
ns |
0.5 |
ns |
|
Mountrail |
1,000,000 |
820,000 |
55.2 |
34.8 |
13.5 |
62.2 |
94.2 |
|
|
1,250,000 |
1,033,000 |
55.0 |
34.8 |
13.6 |
62.2 |
101.6 |
|
|
1,500,000 |
1,224,000 |
54.5 |
34.0 |
13.2 |
61.8 |
105.9 |
|
|
2,000,000 |
1,700,000 |
54.2 |
33.3 |
13.2 |
61.9 |
99.6 |
|
LSD 0.05 |
103,000 |
0.8 |
1.1 |
ns |
ns |
5.8 |
|
2001
Planted: May 9 Harvested: August 14 |
|
variety |
Seeding
Rate
Seed/ac |
Seedling stand
Plants/ac |
Heading
Date1 |
Height
in |
Grain
Protein |
Test
Wt |
Yield
Bu/ac |
|
Plaza |
1,000,000 |
832,000 |
56.2 |
30.4 |
14.3 |
58.2 |
55.2 |
|
|
1,250,000 |
1,010,000 |
55.5 |
30.4 |
14.7 |
57.4 |
49.8 |
|
|
1,500,000 |
1,280,000 |
56.0 |
31.4 |
14.4 |
58.4 |
53.3 |
|
|
2,000,000 |
1,640,000 |
56.0 |
32.0 |
14.8 |
57.4 |
51.4 |
|
LSD 0.05 |
107,000 |
ns |
ns |
ns |
ns |
ns |
|
Mountrail |
1,000,000 |
862,000 |
55.0 |
38.4 |
14.5 |
58.9 |
55.0 |
|
|
1,250,000 |
1,030,000 |
54.5 |
39.0 |
14.1 |
59.2 |
54.1 |
|
|
1,500,000 |
1,230,000 |
54.2 |
38.5 |
14.5 |
58.9 |
46.4 |
|
|
2,000,000 |
1,670,000 |
54.0 |
38.7 |
14.6 |
58.5 |
43.9 |
|
LSD 0.05 |
107,000 |
0.7 |
ns |
ns |
ns |
8.5 |
|
2002
Planted: May 14 Harvested: August 16 |
|
variety |
Seeding
Rate
Seed/ac |
Seedling stand
Plants/ac |
Heading
Date1 |
Height
in |
Grain
Protein |
Test
Wt |
Yield
Bu/ac |
|
Plaza |
1,000,000 |
-- |
52.0 |
32.0 |
11.0 |
63.0 |
67.8 |
|
|
1,250,000 |
-- |
52.0 |
32.5 |
11.3 |
63.0 |
71.2 |
|
|
1,500,000 |
-- |
51.5 |
33.0 |
11.1 |
63.4 |
71.3 |
|
|
2,000,000 |
-- |
51.5 |
32.5 |
11.0 |
63.0 |
72.0 |
|
LSD 0.05 |
|
ns |
ns |
ns |
ns |
ns |
|
Mountrail |
1,000,000 |
-- |
52.0 |
35.0 |
10.4 |
63.6 |
69.7 |
|
|
1,250,000 |
-- |
51.8 |
33.6 |
10.2 |
63.4 |
69.1 |
|
|
1,500,000 |
-- |
51.5 |
34.0 |
10.5 |
63.2 |
71.3 |
|
|
2,000,000 |
-- |
51.2 |
34.0 |
10.1 |
63.8 |
69.8 |
|
LSD 0.05 |
|
ns |
ns |
ns |
ns |
ns |
1 days from planting
|
