TABLE 8. NORTH CENTRAL ZONE - EARLY MATURITY TRIAL. (CHIPPEWA FALLS = CHP, MARSHFIELD = MAR, SEYMOUR = SEY, VALDERS = VAL) (90 DAY RELATIVE MATURITY OR EARLIER, BASED ON COMPANY RATING) _________________________________________________________________________________________________________________________ 1997 1996 AVERAGE CHP MAR SEY VAL AVERAGE CHP MAR SEY VAL YLD MOIST TW LODG P.I. YLD YLD YLD YLD YLD MOIST LODG P.I. YLD YLD YLD YLD BRAND HYBRID BU/A % LB/BU % BU/A BU/A BU/A BU/A BU/A % % BU/A BU/A BU/A BU/A _________________________________________________________________________________________________________________________ DEKALB DK352 144 21.8 55 2.4 99 131 154 147 146 21.8 4.1 102 152 142 145 CARGILL 1877 135 23.1 60 4.2 95 140 128 137 132 22.4 5.4 97 134 122 141 KALTENBERG K2501 154 23.9 54 5.1 101 156 162 145 KALTENBERG K2701 137 24.0 56 4.9 95 139 142 129 TOP FARM TFsx2184 160 24.2 54 3.1 103* 160 171* 151 BROWN'S 2267 151 24.3 52 4.4 100 151 166 137 136 22.4 13.4 97 156 116 137 CARHART'S BLUE TOP CX184A 160 24.6 54 3.0 103* 158 169* 154 139 21.5 15.2 98 173* 116 129 CARHART'S BLUE TOP CX92A 161 24.6 53 6.8 102 156 181* 147 154 25.0 6.1 103 168 147 147 RENK RK272 161 24.6 53 2.4 103* 174* 164 144 164 23.0 6.7 108* 171 164* 155* DAIRYLAND STEALTH1183 160 24.7 52 5.0 102 156 180* 143 136 22.8 10.6 97 143 123 141 DAHLMAN 1300 147 24.7 54 1.5 99 137 157 148 DAHLCO 2115 156 24.9 52 4.1 101 156 161 151 NORTH-GRO 3006 156 24.9 54 4.3 101 159 164 146 129 22.7 11.8 95 151 116 121 ASGROW RX355 172* 25.0 54 2.3 106* 182* 169* 165* SPANGLER 1827 149 25.0 53 2.5 99 145 153 149 PAYCO 336 160 25.0 52 4.3 102 169 163 148 85-DAY RELATIVE MATURITY AVERAGE 25.3 DEKALB DK365 156 25.4 54 2.6 101 162 167 140 O'BRIEN HYBRIDS OB215 154 25.4 52 4.2 100 160 161 141 PIONEER 3905 159 25.5 56 2.4 102 150 174* 154 143 23.6 4.6 101 138 149 143 CARGILL 1907 136 25.6 57 5.2 94 124 146 137 127 22.4 6.5 95 127 118 137 KALTENBERG K2609 145 25.6 53 1.6 98 137 150 149 NK BRAND NX2105 155 25.6 54 3.6 101 151 165 149 BRUNNER B2495 159 25.9 52 4.0 101 165 169* 143 140 22.5 12.3 99 148 140 133 JUNG 2340 153 25.9 53 2.3 100 152 155 150 GROWMARK FS1660 154 26.0 52 5.5 100 169 160 133 152 22.5 9.1 103 162 142 152 CARHART'S BLUE TOP CX287 128 26.1 53 5.9 91 123 150 112 DAHLMAN 1085 152 26.3 52 4.3 99 153 169* 135 145 22.9 14.1 99 165 128 141 TERRA TR906 155 26.3 53 4.9 100 156 162 147 153 22.7 7.0 104 170 127 164* GROWMARK FS1682 152 26.4 52 2.2 99 158 150 149 149 24.1 3.4 102 160 133 152 CARGILL 2427 134 26.5 57 2.5 93 109 158 135 MYCOGEN SEEDS 2292 156 26.8 52 2.4 100 161 159 148 DAHLMAN 1499 165 26.8 52 4.7 103* 174* 172* 149 153 22.0 7.4 104 166 145 147 M/W GENETICS G6909 166 26.9 52 2.0 104* 183* 163 153 NORTH-GRO 4367 166 27.0 52 3.1 103* 166 174* 158* DAIRYLAND STEALTH1289 167 27.2 53 3.6 103* 176* 171* 153 152 24.0 5.9 103 167 135 153* NK BRAND N2555 173* 27.3 55 6.0 105* 172 184* 163* 146 23.7 8.8 100 167 124 149 BROWN'S 2080 149 27.4 52 3.1 98 151 163 133 147 23.9 10.3 100 162 134 143 GOLDEN HARVEST H2248 136 27.4 54 4.3 93 144 143 120 133 23.7 11.9 96 134 125 140 BRUNNER EXP90 151 27.5 51 6.2 98 160 162 131 142 25.1 8.3 99 164 140 123 RENK RK376 159 27.5 52 4.7 101 165 171* 141 146 23.6 7.0 101 159 130 150 JUNG 2406 163 27.5 52 3.1 102 163 168* 158* 141 24.0 9.5 99 146 138 139 DAHLCO 2240 157 27.5 52 3.5 100 159 165 146 LEMKE 2085 162 27.6 54 5.6 101 168 173* 144 LEMKE SL14 165 27.6 52 3.4 103* 164 179* 151 150 24.3 7.0 102 161 139 150 90-DAY RELATIVE MATURITY AVERAGE 27.7 DEKALB DK385B 171* 27.7 54 0.5 105* 174* 171* 167* PRAIRIE GOLD PG1310 129 27.8 53 9.3 90 125 136 126 JUNG 2380 163 27.8 52 4.4 102 176* 171* 140 150 22.9 7.9 102 161 129 161* TRELAY 2006 148 28.1 52 6.5 97 147 158 139 CARHART'S BLUE TOP CX2900A 152 28.1 51 2.8 99 160 157 140 DAHLCO 360 154 28.1 55 1.4 99 156 164 143 DAHLCO 5902 156 28.2 51 5.8 99 154 178* 135 KALTENBERG K4001 162 28.2 52 4.2 101 180* 163 142 153 22.7 7.9 103 173* 139 146 TOP FARM TFsx2191 161 28.4 52 3.2 101 176* 178* 129 160 23.6 8.3 105 175* 146 158* DAHLMAN 1488 161 28.6 51 3.3 101 169 167 145 NK BRAND N2409 156 28.9 55 3.1 99 166 160 143 138 24.2 5.6 98 149 125 142 LEMKE 3015 151 29.0 51 3.6 98 155 158 141 PIONEER 3769 181* 29.2 53 4.5 107* 190* 184* 169* 179* 26.1 4.7 112* 186* 180* 172* SEED MART 2095 166 29.4 52 1.5 102 170 175* 152 LG SEEDS LG2392 147 29.7 53 2.9 96 166 161 115 TRELAY 2004 149 29.7 54 2.8 97 157 152 139 JESKE J146 141 30.0 53 3.9 94 144 151 129 DAHLCO 6901 153 30.5 52 1.6 98 166 158 135 PRAIRIE GOLD PG1350 158 30.7 51 4.0 99 170 163 140 155 25.3 5.9 103 186* 138 141 LG SEEDS LG2408 165 31.5 51 1.3 101 174* 180* 141 DEKALB DK471 177* 32.4 51 2.8 105* 193* 174* 166* 169* 26.6 5.2 108* 185* 150 173* MEAN 155 26.9 53 3.7 100 159 163 144 144 23.5 8.8 100 156 132 145 LSD(0.10)** 12 2.2 1 2.8 4 19 16 12 14 1.0 5.8 5 24 17 20 ____________________________________________________________________________________________________________________________ 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.