Vol. 51â1997 - NorthEastern Weed Science Society

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86 PRO UCTION PERFORMANCE OF GLYPHOSATE RESISTANT TRANSGENIC LETTUCE R T. Nagata, J. A. Dusky, T. A. Bewick, R J. Ferl, and D. 1. Cantliffe' ABSTRACT T 0 field trials were conducted to evaluate glyphosate resistance in transformed 'South Bay' lettu , LactucasativaL. Resistance to the herbicide glyphosate was incorporated into 'South B 'lettuce through the use of Agrobacteriummediated transfer of genetic material. From app oximately 150 original transformation events, three lines were selected for evaluation under fiel conditions. Lines designated A-II, B-32 and C-3 were directed seeded into field plots along wit 'South Bay'. At 3 weeks post sowing the plants were thinned to 12" in row spacing and plots ere treated with 0.0, 0.0312, 0.125, 0.5, 1.0, 2.0, 4.0, and 8.0 lbs ai/A with glyphosate in the firs experiment. In the second experiment a treatment of16.0 lbs ai/A was added. Line B-32 had he highest levels of resistance to glyphosate. Application rates from 0.0 to 8.0 lbs ailA resulted i no significant differences among mean plant weight. In comparison, plants from line C-3 were imilar in weight at 0.0312 and 0.125 Ibs ailA application rate, but significantlysmaller at all othe treatment levels. Line A-II was significantly smaller than B-32 and C-3 for all rates of glyphosat applications except at 8.0 lbs ailA rate for C-3. Observation of nontreated plots seems to sugges low field vigor of A-II. Untreated 'South Bay' survived 0.0312 and 0.125 lbs ai/A applicatio rates, however, plants were small. soc. Prof and Prof, Everglades Res. & Educ. Ctr., Belle Glade, FL 33430, and Assoc. Prof, Pr f, and Prof, Univ. of Florida, Horticultural <strong>Science</strong>s Dept., Gainesville, FL 32611.
87 CULTIVATION AND HERBICIDES IN POTATO H. P. Wilson,T. E. Hines,1. A. Ackley' ABSTRACT Potato tuberosumL. continuesto beaneconomicallyimportantcrop inthe mid- Atlanticregion fthe U. S. <strong>Weed</strong>controlinpotatocommonlyincludesPRE and POST herbicides and cultivatio. Few herbicidesare registered in potato but recently rimsulfuronhas been commercially troduced. Rimsulfuroncontrols severalannualbroadleafand grass weeds and yellow nutsed e (Cu>erusesculentusL.). These studieswere conductedin 1995and 1996to evaluateherbi ide and cultivationtreatmentsfor weed control in potato. In both years, weed controlandpo tuberyieldincreasedwhenpotatowerecultivatedoncebut a secondcultivation generallydidn t improvetheseeffectsbyPRElinuron,PRE metribuzinplusmetolachlor,or early POST metrib in plus rimsulfuron. In the absenceof cultivation,controlof annualweeds and grassby metoD . treatmentswashigherthanby linuron.Yellownutsedgecontrolby metribuzin plus rimsulfur n earlyPOST was lower thanhad previouslyoccurredfromPOST rimsulfuron. In a second s dy, yellownutsedge controlwas highestby PRE applicationsof metribuzinplus metolachlorfo lowedby rimsulfuronPOST. Iprof., Res. S ec. Sr., and Former Grad. Res. Asst., Eastern Shore Agric.Res. and Ext. Ctr, VirginiaPolyt chnicInst. and State Univ.,Painter,VA 23420-2827.
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1 DE~LOPING BEST MANAGEMENT PRACTIC
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3 MATERIALSANDMETHODS Experiments w
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I 5 I Table 3. Stand density of oat
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7 TaL~NCEaFHNE~CU~TaCL~HarnM Larry
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9 I CONTROLLING QUACKGRASS WITH CLE
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BELTSV~LLE 11 SUSTAINABLEAGRICULTUR
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Ii 13 I The 1996NEWSSCollegiateWeed
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15 EFFECTOF rREPLANT TILLAGEANDNICO
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17 i PENNMUjLCH, A NEW MULCH FOR TU
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19 cover the sta~es in the Northeas
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21 I TABLEt CORN WEED CONTROL EFFIC
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23 COMMON LAMBSQUARTERS CONTROL IN
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I I 25 I Table 2. Effectivaness of
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27 PERFORMANCE OF PREEMERGENCE TREA
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I i I i I I 29 EFFECT OF TANK-MIXIN
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I 31 I EVALVATIONOF WEED CONTROLA
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I I i 33 I EFFECT$ OF EXP 31130A AN
Page 35 and 36: 35 Effect OfPO~T ApplicationTimingo
Page 37 and 38: II I ! I ! Ii I I 37 PREE~ERGENCE C
Page 39 and 40: I 39 U+ OF SLUDGE BASED FERTILIZERS
Page 41 and 42: i I 41 I EFFECT OF fSOXABEN APPLIED
Page 43 and 44: I 43 ~STCRABGRASS CONTROL AS lWO os
Page 45 and 46: I II 45 iI Gallery* f,r Weed Preven
Page 47 and 48: I POTENTIAL I I 47 USE OF EXP-31130
Page 49 and 50: I" i 49 j PFMERGENCE CONTROL OF PRO
Page 51 and 52: 51 TIIE E...·rL"",,- L OF TRINEXAP
Page 53 and 54: 53 PERF011MANICEOF ISOXAFLUTOLE IN
Page 55 and 56: 55 ISOXAFL OLE COMBINATIONSWITH PRE
Page 57 and 58: 57 Weed Interference in Full Season
Page 59 and 60: 59 HERBICIDE TRATEGIES FOR CONTROL
Page 61 and 62: 61 Table 1.Eff ct of WeedControlTre
Page 63 and 64: 63 DETECTION ND MOVEMENT PATTERN OF
Page 65 and 66: 65 TRAILERING AFETY: A TRAINING COU
Page 67 and 68: 67 EV ALUATIO OF WIT..DFLOWER ESTAB
Page 69 and 70: 69 LlNGSNOW ECOSYSTEM PROJECT: MICR
Page 71 and 72: 71 TABLE 1: Tree . jury provided by
Page 74 and 75: 74 GSNOW ECOSYSTEM PROJECT: WHITE S
Page 76 and 77: 16 cherry (Pnmus se otina ranks fou
Page 78 and 79: .J 78 Table 1. Density, (D), relati
Page 80 and 81: ~---------_._-~---_.._--- 80 A NEW
Page 82 and 83: 82 WEED AFFINITY GROUPS AS A TOOL I
Page 84 and 85: 84 NEW TE HNIQUE TO COMPARE EFFICAC
Page 88 and 89: 88 Managing nterseeded Cover Crops
Page 90 and 91: -----------t----~--- 90 Since weed
Page 92 and 93: 92 The mechanistic model (equ. I) a
Page 94 and 95: 94 Exploring the Feasibility of Pro
Page 96 and 97: 96 INHIBI ING THE DEVELOPMENT OF CI
Page 98 and 99: 98 However it .ncreased the control
Page 100 and 101: 100 LIVERWORT AND PEARLWORT MANAGEM
Page 102 and 103: 102 ULFENTRAZONEAND HALOSULFURON:HE
Page 104 and 105: 104 estern New York Nursery IPM Pro
Page 106 and 107: 106 C MMONRAGWEEDCONTROLIN FIELD CO
Page 108 and 109: 108 CGA-77102: A New Herbicide for
Page 110 and 111: 110 POSTEMERGENCEWEEDCONTROLIN SOYB
Page 112 and 113: 112 E FECTS OF REPEATEDLATE-WINTERH
Page 114 and 115: 114 GSNOW ECOSYSTEl\1 PROJECT: NITR
Page 116 and 117: 116 RESULTS AND DISCUSSION GI fosin
Page 118 and 119: ---------T---~~-- 118 EVALUA ON OF
Page 120 and 121: 120 B USB CONTROL PROVIDED BY LOW V
Page 122 and 123: ------- 122 W VOLUMEWEED AND BRUSH
Page 124 and 125: 124 EVA UATION OFGLYPHOSATEFOR DORM
Page 126 and 127: 126 E ALUATION OF IMAZAMETH FOR WEE
Page 128 and 129: 128 Presidential Address Delivered
Page 130 and 131: 130 Ho much land can ten billion pe
Page 132 and 133: Waggone December 24, 1994 132 count
Page 134 and 135: Waggone December 24, 1994 134 25 Pa
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Waggone December 24, 1994 136 which
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December 24, 1994 138 sets the pecu
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----------+---- Waggone December 24
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Waggone December 24, 1994 142 soil
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Waggone December 24, 1994 144 ~oo~
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Waggoner December 24, 1994 146 350
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148 Appendix Calculate the environm
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150 alone ac eptably controls typic
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152 opportu ity to use sethoxydim a
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---------+----------- 154 IMPACT OF
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156 The STS® time line: • 1986 -
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-------_. __ ._._--- d •••..
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-----_._~-_._.__.- 160 SYNCBRONYTM.
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162 Government approvals for Roundu
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HH i ! 164 AG6101 l.oundup Ready®
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166 n Lib rty LinkTM soybeans will
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168 IMITMCORN YIELD PERFORMANCE* (H
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170 to $15 an ere depending upon ho
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172 e recent occurrence has been th
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174 He bicide was added to the tiss
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176 it can at ti es be a weed in Ke
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178 ty's main campus that Rhizocton
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180 weight conclu qualit treatm and
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182 during the st or 2nd growing se
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184 TABLE 1. Mean raspberry cover (
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186 (A) STEM VOLUME - SPRING TRTM.,
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188 concluded at 5.1 em of simulate
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190 ACKNOWLEDGEMENTS ank United Agr
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192 AGRICULTURE NEEDS MORE WEED SCI
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194 Who is going to provide the edu
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20 18 - 16 A v 14 e r 12 a g 10 e s
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198 50th Annual Business Meeting of
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200 • Graduate team winners were:
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202 solclose to the New Year, as it
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----~------ 204 e Committee Reports
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! I 206 I Administration $1,527.23
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208 Glickman comments that his "hig
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210 York Sta~e. It is still unclear
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I I I Bingham, SamuJ Wayne Virginia
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214 Cianessi, Leonard Nat. Center o
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L I • I I I I Langston, Vemon Dow
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__________ m---+---m__ .... 218 Rie
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-----------~ I I 220 Whalen, Mark Z
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Helicopter Applicators, Inc. Martin
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224 Employers of NEWSS members in 1
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.l I I I I 226 NEWSSPASTPRESIDENTS
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228 AWARD OF MERIT 1971 1972 1973 1
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1995 I I I 230 Fra~cis J. Webb •
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II II 232 1995 1'R~chard Ashly Univ
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234 1991 1992 1993 1994 1995 1996 1
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I, I 236 1989 - AmeriJan Cyanamid,
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--------_.~-------- 238 RESEARCH PO
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1995 1 - iAComparison of Broadleaf
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242 1960 1961 1962 . The Influence
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244 1975 1 - Control of Jimsonweed
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246 1984 1 - Pre-TransplantOxyfluor
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248 Common or Code name trade Name
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250 Common or Code name , rrade Nam
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252 I Common ot Code namel I I flur
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254 Common o~ Code name' I I i Trad
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256 Common or i Code name I Trade N
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258 , Ackley, J.A .• 7 Adams, R.G
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260 1 I 2,4-D 2, 14, 1~, 22, 23,28,
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262 I Agrosticpalus(ris 47, 48 Agro
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SUBJECT INDEX Application T~mings 4
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266 WEED INDEX Abutilon theop~rosti
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Vol. 51â1997 - NorthEastern Weed Science Society

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Vol. 51â1997 - NorthEastern Weed Science Society