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Course: PUBS 424, Fall 2009
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Combined 2006 Comparisons of Conventional Hybrids to their RR, Bt, and RRBt "Twins"* * Yield average does not include the Charles City site because of missing data. Comparison by Hybrid Average All Sites 161 177 176 167 7 181 184 182 176 8 169 178 169 179 8 175 Average All Sites 170 180 175 174 Prince george 99 107 112 107 111 114 113 106 98 108 100 113 107 Southampton 178 204 190 191...

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Combined 2006 Comparisons of Conventional Hybrids to their RR, Bt, and RRBt "Twins"* * Yield average does not include the Charles City site because of missing data. Comparison by Hybrid Average All Sites 161 177 176 167 7 181 184 182 176 8 169 178 169 179 8 175 Average All Sites 170 180 175 174 Prince george 99 107 112 107 111 114 113 106 98 108 100 113 107 Southampton 178 204 190 191 Southampton 182 211 197 187 178 197 178 179 174 204 195 207 191 Charles City 176 182 186 211 213 205 204 205 211 205 209 201 153 163 157 148 Ag Expo Middlesex Lancaster Hybrid Pioneer 34B97 Pioneer 34B96 RR2 Pioneer 34B99 HXLL Pioneer 34B94 RR2YGCB LSD (0.05) Augusta 5337 Trisler by Augusta 5337 RR Trisler by Augusta 5337 YGCB Trisler/Augusta 5337 RRYGCB LSD (0.05) Dekalb DKC 61-42 Dekalb DKC 61-44 RR Dekalb DKC 61-43 YGCB Dekalb DKC 61-45 RRYGCB LSD (0.05) Location Average: 216 225 236 219 207 225 223 208 127 137 143 142 133 156 142 141 238 229 234 228 219 215 219 207 163 166 160 169 177 184 187 164 226 232 221 235 228 206 213 201 212 213 158 161 155 167 154 149 148 142 139 155 Comparison by Technology Prince george 103 110 108 109 Charles City Technology Conventional Roundup Ready Bt RRBt 227 229 230 227 211 218 214 209 149 155 153 159 Middlesex Lancaster Essex 197 202 199 24 Ag Expo Essex Ag Expo RRBt Twins Trial Cooperators: Producer: Extension: Jimmy Bowen, Beauregard Farms Carl Stafford, VCE-Culpeper Wade Thomason, Virginia Tech Agribusiness: Various Seed Company Representatives Variety: Various SoilType: Davidson loam Planted: April 19, 2006 SeedRate: 29,000, 1.5-2 inches deep Equipment: Kinze 12-row RowWidth: 30 inches Fertilization: Biosolids 125 lb N, 250 lb P Pesticides: 1.0 qt Simazine, 2.5 qt Atrazine, 0.083 oz Harmony GT, 4.0 oz Banvel Harvested: September 26, 2006 w/Case 2388 Hybrid TRISLER 5337 RR TRISLER 5337 CB TRISLER 5337 RRCB TRISLER 5337 DEKALB DKC 61-44RR DEKALB DKC 61-45RRBt DEKALB DKC 61-43Bt DEKALB DKC 61-42 PIONEER 34B99HXLL PIONEER 34B96RR2 PIONEER 34B94RRBt PIONEER 34B97 Moisture 19.3 21.0 20.4 20.3 16.6 17.1 16.6 16.4 16.0 16.9 16.6 16.8 Yield 184 187 164 177 148 139 142 149 142 156 141 133 Technology Conventional RR Bt RRBt Yield 153 163 157 148 25 Trait Study Middlesex Cooperators: Producer: Jason Benton Extension: David Moore, Middlesex Agribusiness: Ginny Barnes, Pioneer, A Dupont Co. Dennis Rawley, Augusta Seed Jim Oliver, Monsanto PlantingDate: PreviousCrop: SoilType: Fertilization: April 11, 2006 Double-crop soybeans Suffolk fine sandy loam 27-70-120 preplant 50-0-0 with burndown 100-0-0 sidedress CropProtection Roundup, Lumax, Aatrex, Simazine DateHarvested: October 16, 2006 Hybrid Check Pioneer 31G98 Pioneer 34B97 (P1250) Check Pioneer 34B97 (P1250) Check Pioneer 34B96 (RR) P250 Check Pioneer 34B96 (RR) P250 Check Pioneer 34B94 (RR/CB) P1250 Check Pioneer 34B94 (RR/CB) P1250 Check Pioneer 34B99 (CB) P1250 Check Pioneer 34B99 (CB) P1250 Check DKC 61-42 P250 Check DKC 61-42 P250 Check DKC 61-43 YG P250 Check DKC 61-43 YG P250 Check DKC 61-45 YG/RR P250 Check DKC 61-45 YG/RR P250 Check DKC 61-44 RR P250 Check DKC 61-44 RR P250 Check A 5337 P250 Check Pop. 5-31-05 26,000 22,500 24,000 24,000 26,500 25,000 26,000 25,000 25,500 24,500 26,000 25,000 24,500 26,500 24,500 24,500 24,500 24,500 25,000 25,000 M% 15.0 15.0 14.7 15.0 15.0 15.0 15.0 14.7 14.6 15.0 15.0 15.2 14.9 14.8 14.9 15.2 15.1 25,000 15.0 14.8 15.0 14.9 14.6 14.6 14.6 14.6 14.7 14.7 14.8 14.8 14.9 14.9 15.0 26 Yield @ 15.5% 141 123 142 131 15.0 138 145 135 147 135 148 148 148 148 153 138 150 157 15.1 158 14.8 153 159 156 158 166 163 168 160 160 156 162 167 165 162 % of Check 87% 90% 150 94% 92% 92% 100% 98% 92% 105% 150 106% 149 99% 98% 103% 104% 101% 100% 100% Trait Study Middlesex (cont.) Hybrid A 5337 P250 Check T5337 CB P250 Check T5337 CB P250 Check T5337 CB/RR P250 Check T5337 CB/RR P250 Check T5337 RR P250 Check T5337 RR P250 Check Average No Trait Average RR Trait Average CB Trait Average Stacked Traits: Pop. 5-31-05 24,000 25,000 22,000 23,500 24,000 23,000 25,500 24,500 M% 14.9 14.9 14.6 14.5 14.7 14.9 14.7 14.7 14.9 15.2 15.4 15.5 15.7 15.7 14.9 15.1 14.8 14.7 Yield @ 15.5% 160 168 160 169 160 169 170 171 168 176 167 170 165 167 149 155 152 159 % of Check 97% 95% 94% 100% 97% 97% 98% 24,420 24,500 24,650 24,410 Discussion:Use of checker was not needed but did make planting the plot easier and also kept things even between all hybrids as the soils got better as we went across the field. "Stacked" genetics was, on average, 10 bushels better than no genetics. End-of-season prices of $3.00 per bushel equate to a benefit of $30.00. What is your cost for the added genetics? This was a replicated plot over several locations. Use this and other replicated trait study information when making planting decisions for 2007. 27 2006 Dinwiddie/Prince George Genetic Trait Study Cooperators: Producer: Tommy Harrison Extension: Glenn F. Chappell II, Prince George PlantingDate: May 1, 2006 Plot: Stacked Gene Population: 24,000 Soil: Emporia Fine Sandy Loam Herbicides: 2.0 qt Bicep II + 1.0 qt Simazine Tillage: 2X disk Fertility: 600 lb 10-10-10 at planting Harvest: October 3, 2006 rep 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 Company T 5337 T 5337 T 5337 T 5337 P 34B96 P 34B99 P 34B94 P 34B97 D 6145 D 6142 D 6143 D 6144 T 5337 T 5337 T 5337 T 5337 P 34B96 P 34B99 P 34B94 P 34B97 D 6145 D 6142 D 6143 D 6144 T 5337 T 5337 T 5337 T 5337 P 34B96 P 34B99 P 34B94 P 34B97 D 6145 D 6142 D 6143 D 6144 gene RRCB CB RR NA RR CB RRCB NA RRCB NA CB RR RRCB CB RR NA RR CB RRCB NA RRCB NA CB RR RRCB CB RR NA RR CB RRCB NA RRCB NA CB RR %H20 15.1 15.5 15.8 15.1 14.4 14.4 14.7 13.7 13.7 13.8 13.8 13.2 15.4 14.9 13.6 13.9 13.5 14.2 13.2 14.4 13.9 13.3 12.9 14.8 15.0 15.5 14.8 15.3 14.2 13.9 15.0 14.1 13.6 14.0 12.6 14.7 2 Bu/Ac 106 104 114 113 108 122 101 91 100 87 80 96 95 113 113 103 111 96 111 106 122 112 111 119 116 122 114 118 102 119 110 98 117 96 109 110 2006 Dinwiddie/Prince George Genetic Trait Study (cont.) Trait rrCB CB rr nA Trait Means % H20 14.4 14.2 14.3 14.2 Bu/A 108 109 110 103 Discussion: The summer through pollination was very dry, negatively impacting pollination and yield. No differences in harvest moisture were observed. All of the GMO hybrids yielded higher than the conventional hybrids. 2 2006 GMO Corn Plot Cooperators: Producer: Extension: Agribusiness: Daniel E. Tignor Keith Balderson, Essex County Ginny Barnes, Pioneer Hi-Bred Jim Oliver, Monsanto Dennis Rawley, Augusta Seed Co. Hybrid: Various PlantingDate: April 10, 2006 SeedbedPreparation:DMI ripper plus light discing and culti-packer Fertilization: Starter: 20 gal 15-15-0/ac + micros Bio-.0solids Sidedress:50.0 lb N/ac SoilType: Kempsville loam sandy Herbicides: Pre-emergence: 2.0 qt Bicep/ac, 1.0 qt simazine/ac HarvestDate: September 11, 2006 Hybrid Pioneer 34B94 CBRR Dekalb 61-43 CB Augusta 5337 Pioneer 34B99 HX Dekalb 61-42 Trisler 5337 RR Pioneer 34B96 RR Dekalb 61-44 RR Trisler 5337 CBRR Pioneer 34B97 Dekalb 61-45 CBRR Trisler 5337 CB Seed Treatment Poncho 1250 Poncho 250 Poncho 250 Poncho 1250 Poncho 250 Poncho 250 Poncho 250 Poncho 250 Poncho 250 Poncho 250 Poncho 250 Poncho 250 %Moisture 19.7 21.5 23.7 19.9 21.5 23.5 19.8 21.0 23.5 20.2 20.6 24.0 Yield (Bu/Ac @ 15.5%) 208 201 219 223 206 215 225 213 207 207 212 219 Technology Conventional RR YG RRYG %Moisture 21.8 21.4 21.8 21.3 Yield (Bu/Ac @ 15.5%) 211 218 214 209 Discussion:Interest in Bt and Roundup Ready corn continues to increase in Eastern Virginia. This plot evaluated RR, YG, and RRYG hybrids to its "standard" hybrid from three companies. European corn borer was not a problem in this field. Yields of all hybrids were excellent, and it would appear that the genetically modified traits did not affect yields in this plot. 30 2006 Lancaster County RRBt "Twins" Trial Cooperators: Producer: Extension: Lowell Starr, Holyoke Farm Matt Lewis, Nor/Lan Philip Henley, Summer Intern Agribusiness: Monsanto, Augusta, Pioneer Variety: Various, Check = Dekalb DKC61-43YGCB P250 SoilType: Sassafras fine sandy loam Planted: April 11, 2006 SeedRate: 24,300/ac Equipment: JD MaxEmerge 6-Row Finger Pickup RowWidth: 30 inches Fertilization: 40-0-0 starter, 30-50-70 broadcast Pesticides: 2.5 qt Lumax, 1.5 pt Atrazine, 1.5 pt Princep, Glyphosate Harvested: September 22, 2006 Hybrid Pioneer 34B94 RR2YGCB Check Pioneer 34B96 RR2 Check Pioneer 34B97 Check Pioneer 34B99 HXLL Check Augusta 5337 Check Trisler/Augusta 5337 RRYGCB Check Trisler by Augusta 5337 YGCB Check Trisler by Augusta 5337 RR Check Dekalb DCK 61-42 Check Dekalb DCK 61-44 RR Check Dekalb DCK 61-45 RRYGCB Check Dekalb DCK 61-43 YGCB Final Stand 22500 24000 25500 24000 23500 22500 23500 23000 22500 24000 25000 23000 24000 25500 24000 23000 21500 25000 25000 23500 24000 21500 24000 Lodging 1 1 2 1 2 1 2 1 4 1 4 1 4 1 4 1 1 1 1 1 1 1 1 Moisture 18.9 error 18.2 19.9 17.9 17.7 17.4 17.7 19.6 17.9 20.6 18.1 20.4 18.0 20.3 17.8 19.3 18.0 17.4 17.7 18.0 17.2 17.7 Yield 219 error 225 221 216 224 236 230 238 218 228 223 234 230 229 216 226 217 232 219 235 223 221 % Closest Check 99% 102% 96% 103% 109% 102% 102% 106% 104% 106% 105% 99% *Lodging on a 1-5 scale, where 1 is standing and 5 is flat. Technology Conventional RR Bt RRBt Average Moisture 18.9 18.6 18.5 19.2 Average Yield 227 229 230 227 Discussion:This is the second year we have looked at the yield response to adding Bt and RR traits to corn. There was little evidence of corn borer pressure in the plot, as well as very little weed pressure. In this plot, the conventional corn yielded as well as the twins that contained GMO traits. Compare this to identical trials located across Eastern VA, found elsewhere in this book. 31 2006 New Kent / Charles City Corn GMO Study Cooperators: Producer: Evelynton Farm, Charles City Extension: Paul Davis, VCE, New Kent/Charles City Agribusiness: Jim Wallace and Brian Noyes, Colonial SWCD Ginny Barnes, Pioneer Dennis Rawley, Augusta Jim Oliver, Monsanto Planted: April 11, 2006 Hybrid: See below Tillage: No-Till Previous Crop: Double Crop Soybeans SoilType: Wickham, fine sandy loam SeedRate: 20,000 vs. 24,000 vs. 28,000 vs. 32,000 Fertilizers: Starter: 60-30-0-.5 Zn Broadcast: 100 lb Potash Sidedress: 100 lb 24% N Herbicide: 3.0 pt Atrazine on April 7, 2006 3.0 pt Princep on April 7, 2006 22.0 oz. Roundup Ultra on April 7, 2006 Harvested: September 22, 2006 rep 1 Variety Pioneer 34B97 Pioneer 34B99 YG Pioneer 34B96 RR Pioneer 34B94 RRYG Augusta 5337 Trisler 5337 CB Trisler 5337 RR Trisler 5337 CB/RR DK 61-42 DK 61-43 YG DK 61-44 RR DK 61-45 RRYG Technology Conventional YG or CB RR RRYG H2O% Bu/Ac 20.6% 172 17.6% 181 19.8% 202 Harvest Error - No Data 23.9% 24.7% 23.4% 23.6% 20.2% 19.6% 19.1% 19.4% H20% 2...

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CS 525 - Spring 2005 - Homework 10assigned 4/11/05 - due 4/20/051. Do Exercise 6-4-1. 2. Do Exercise 6-4-2.
Wisconsin - CS - 525
CS 525 - Spring 2005 - Homework 11assigned 4/18/05 - due 4/27/051. Write down Q, p, and (with Q symmetric) to express the following quadratic in the form (1/2)x Qx + p x + : x1 - x2 + 3x2 - 2x1 x2 + x2 - 2x2 3x3 + 4x1 x3 + 4x2 . 1 2 3 2. Consider
Wisconsin - CS - 525
CS 525 - Spring 2005 - Homework 12assigned Monday 4/25/05 - due Monday 5/2/051. Do Exercise 8-6-4. 2. Verify that for the modied Matching Pennies game of Example 8-62, the solution of the linear program (8.22a) (with y = (3/8, 5/8) ) is indeed x =
Wisconsin - CS - 525
CS 525 - Spring 2003 - Homework 13assigned 5/1/03 - due 5/8/031. Do Exercise 7-1-1. 2. Do Exercise 7-3-1. 3. Do Exercise 7-3-3. The nal exam for this class will be held in Psychology 121 (the lecture room) at 10:05am on Monday May 12. It will be a
Wisconsin - CS - 525
Wisconsin - CS - 525
Final ExaminationCS 525 - Spring 2009 Tuesday, May 12, 2009, 10:05am-12:05pmEach question is worth the same number of points. No electronic devices, notes, or books allowed, except that you may bring one standard-size sheet of paper, handwritten on