Table 6. Effect of Row Spacing on the Yield of 19 Soft Red Winter Wheat Varieties at Wayne County, Ohio in 2002.
Brand Asc Desc |
Variety Asc Desc |
Spring Stand 7.5 in. % Asc Desc |
Spring Stand 15 in. % Asc Desc |
Head Date 7.5 in. days Asc Desc |
Head Date 15 in. days Asc Desc |
Plant Height 7.5 in. in Asc Desc |
Plant Height 15 in. in Asc Desc |
Lodg 7.5 in. % Asc Desc |
Lodg. 15 in. % Asc Desc |
Test Wt. 7.5 in. lb/bu Asc Desc |
Test Wt. 15 in. lb/bu Asc Desc |
Yield 7.5 in. bu/ac Asc Desc |
Yield 15 in. bu/ac Asc Desc |
Vigoro | Tribute | 100 | 100 | 146 | 145 | 40 | 39 | 39 | 0 | 64.9 | 64.5 | 74.8 | 86.1 |
VA Tech | McCormick | 100 | 100 | 145 | 145 | 40 | 40 | 0 | 0 | 64.5 | 65.5 | 84.6 | 84.7 |
Certified | Roane | 100 | 100 | 145 | 145 | 42 | 41 | 19 | 0 | 64.4 | 66 | 85.7 | 90.2 |
NK | Coker 9663 | 100 | 100 | 145 | 145 | 47 | 46 | 0 | 0 | 64.2 | 63.6 | 92.6 | 89.2 |
Pioneer | 25R44 | 100 | 100 | 145 | 145 | 41 | 39 | 0 | 0 | 64.1 | 63.7 | 90.9 | 82.1 |
Pioneer | 25R78 | 100 | 100 | 143 | 143 | 41 | 40 | 0 | 0 | 64.1 | 64.2 | 92.7 | 96.4 |
VA Tech | VA97W-375WS | 100 | 100 | 143 | 144 | 39 | 37 | 1 | 0 | 64 | 63.6 | 90.9 | 91.6 |
Pioneer | 25R49 | 100 | 100 | 144 | 144 | 40 | 38 | 0 | 0 | 64 | 64.2 | 93.1 | 86.1 |
Steyer | Weaver | 100 | 100 | 143 | 143 | 45 | 45 | 0 | 0 | 63.4 | 63 | 83.2 | 90.2 |
Beck | 110 | 100 | 100 | 143 | 144 | 46 | 45 | 0 | 0 | 63.3 | 64 | 83.8 | 87.2 |
VA Tech | Sisson | 100 | 100 | 141 | 142 | 39 | 38 | 6 | 0 | 63 | 64 | 98.6 | 97.1 |
Pioneer | 25R37 | 100 | 100 | 145 | 145 | 42 | 40 | 0 | 0 | 62.7 | 62.4 | 91.4 | 89.4 |
Steyer | Bowerman | 100 | 100 | 145 | 146 | 43 | 43 | 0 | 0 | 62.6 | 63 | 89.1 | 84.8 |
Steyer | Bouillon | 100 | 100 | 144 | 145 | 45 | 43 | 1 | 0 | 62.5 | 62.3 | 90.6 | 92.4 |
Steyer | Bernard | 100 | 100 | 146 | 146 | 46 | 45 | 0 | 0 | 62.2 | 63.3 | 86.4 | 89.6 |
Beck | 102 | 100 | 100 | 145 | 144 | 45 | 44 | 0 | 0 | 62.1 | 62.6 | 80.7 | 79.6 |
AGI | 535 | 96 | 99 | 147 | 147 | 45 | 45 | 4 | 0 | 61.9 | 61.6 | 81.9 | 84.1 |
NK | Coker 9025 | 100 | 100 | 146 | 146 | 43 | 42 | 25 | 0 | 61.8 | 62.7 | 82.4 | 85.2 |
AGI | 538 | 100 | 100 | 148 | 148 | 46 | 45 | 24 | 0 | 60.5 | 60.8 | 88.6 | 92.5 |
High | 100 | 100 | 148 | 148 | 47 | 46 | 39 | 0 | 64.9 | 66 | 98.6 | 97.1 | |
Average | 100 | 100 | 145 | 145 | 43 | 42 | 9 | 0 | 63.2 | 63.7 | 87.8 | 88.5 | |
Low | 96 | 99 | 141 | 142 | 37 | 37 | 0 | 0 | 61.1 | 60.8 | 74.8 | 77.8 |