TABLE 17. NORTHERN ZONE - ASHLAND. GRAIN TRIAL ____________________________________________________________________________________ 1997 1996 AVERAGE AVERAGE YLD MOIST TW LODG P.I. YLD MOIST LODG P.I. BRAND HYBRID BU/A % LB/BU % BU/A % % ____________________________________________________________________________________ PIONEER 39K72 97 30.7 20.7 88 CARGILL 1527 135 34.9 1.9 103* WOLF RIVER VALLEY 9373 142 36.5 10.3 103* WOLF RIVER VALLEY 9775 152* 39.0 7.8 105* GROWMARK FS1212 137 39.0 7.8 100 154 45.3 0.6 106 TOP FARM TFsx2182 153* 39.3 2.6 106* 140 49.7 1.3 97 LG SEEDS LG2316 120 39.6 3.2 94 WOLF RIVER VALLEY 9677 160* 39.7 0.0 109* WOLF RIVER VALLEY 9570 111 39.8 3.2 91 MYCOGEN SEEDS 1376 132 40.7 2.6 98 143 47.2 0.6 100 NK BRAND N1718 131 41.5 12.3 96 WOLF RIVER VALLEY 9883L 148* 41.9 5.8 103* BRUNNER EXP75 142 42.1 1.3 101 JUNG 2232 156* 42.1 0.6 106* GOLDEN HARVEST EX934 139 42.8 3.9 99 149 48.2 1.9 101 DAIRYLAND STEALTH1280 154* 43.1 0.6 105* 163 52.3 0.0 104 TOP FARM TFsx2179 146* 43.5 2.6 101 BROWN'S 1680 134 45.0 1.3 96 KALTENBERG K2501 140 45.1 1.3 98 RENK RK133 151* 46.5 1.9 101 WOLF RIVER VALLEY 9185 149* 46.6 3.2 100 NORTH-GRO 1710 139 46.7 0.0 97 MEAN 139 41.2 4.3 100 146 49.3 0.6 100 LSD(0.10)** 15 2.5 6.2 6 20 3.0 1.5 8 ____________________________________________________________________________________________________________________________ P.I. = Performance Index, evaluates hybrids by combining yield, moisture, and lodged % at a 50(yield) : 35(moisture) : 15(lodged) ratio. Average grain moisture of all hybrids in the trial rated at this maturity by the Minnesota Relative Maturity Rating System. * Hybrids which did not perform significantly less than the highest hybrid in the test. Average results provide the best estimate of relative hybrid performance.