Proceedings of the Sixty-first Annual Meeting of the Northeastern ...

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112 Figure 1. Grass cover following herbicide treatment, 2006 35 30 A AB ABC C AB Grass Cover (%) 25 20 15 10 A AB A AB A B B B BC C C 5 0 June August UTC Mesotrione 444 ml pre-emergence Mesotrione 222 ml post-emergence Mesotrione 222 ml pre and post-emergence + Hexazinone 1 kg/ha Hexazinone 1 kg/a Mesotrione 222 ml pre and post-emergence Mesotrione 444 ml pre-emergence + Hexazinone 1 kg/ha Mesotrione 222 ml post-emergence + Hexazinone 1 kg/ha Figure 2. Broadleaf weed cover following herbicide treatment, 2006 30 A Broadleaf Cover (%) 25 20 15 10 5 C BC C B C C C AB A BC BC C C C C 0 June August UTC Mesotrione 444 ml pre-emergence Mesotrione 222 ml post-emergence Mesotrione 222 ml pre and post-emergence + Hexazinone 1 kg/ha Hexazinone 1 kg/a Mesotrione 222 ml pre and post-emergence Mesotrione 444 ml pre-emergence + Hexazinone 1 kg/ha Mesotrione 222 ml post-emergence + Hexazinone 1 kg/ha 94
113 THE ADVANTAGES OF QUINCLORAC OR MESOTRIONE USE IN CRANBERRY BOG ESTABLISHMENT. B.A. Majek, Rutgers Univ., Bridgeton, NJ. ABSTRACT Cranberry bog renovation and establishment in New Jersey is a long term commitment. Currently, some bogs that were established more than seventy five years ago remain in production today. Renovation of a cranberry bog begins at least a year prior to planting. Existing vegetation, including cranberries and weeds are killed, excess peat removed, irrigation mains installed, a uniform sandy soil must be leveled to improve drainage, and dikes, ditches and sluices gates installed. After the bog is prepared, unrooted cranberry cuttings are spread on the bog and sliced into the soil lightly with a disk and irrigated regularly. The cuttings root in two to three weeks. Growers are reluctant to use herbicides during the establishment year, fearing an adverse affect on the crop. Studies were established in bogs planted with cranberry 'Stevens' cuttings in April of 2003 and 2004. Herbicides were applied in late spring, about four weeks after planting, or in the summer, two to three months after planting. Weed growth was heavy in both establishment years, creating a canopy over the cranberry vines by mid summer. The most prevalent weeds were false nutsedge, slender rush, blackgrass, marsh St. Johnswort, large crabgrass, and meadow beauty. When applied four weeks after planting, napropamide suppressed or controlled false nutsedge, slender rush, and large crabgrass, but did not control blackgrass or meadow beauty. The experimental herbicides, quinclorac, chlorimuron, and mesotrione, applied with nonionic surfactant, controlled all the weeds except marsh St. Johnswort when applied four weeks after planting, but were less effective when applied two to three months after planting. The studies were/will be treated annually for three years, until a measurable yield could be harvested from at least some treatments. Napropamide, quinclorac, and mesotrione did not injure the cranberries. The chlorimuron treatment applied annually in late spring appeared to cause slight temporary stunting, and caused some shoot tip chlorosis in 2004. The bog planted in 2003 was harvested in 2005 and in 2006. The bog planted in 2004 was harvested in 2006. All the herbicides applied improved cranberry growth and vigor. The highest yields were observed in cranberries treated annually for three years with quinclorac and mesotrione at 0.5 and 0.2 lb ai/A respectively. 95
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1 Proceedings of the Sixty-first An
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3 NORTHEASTERN WEED SCIENCE SOCIETY
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5 SECTION CHAIRS Agronomy Chair: J.
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7 CARFENTRAZONE AND QUINCLORAC FOR
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9 THE EFFICACY AND CROP TOLERANCE O
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11 EVALUATION OF HERBICIDES FOR CON
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13 BEING HEARD BY THE IR-4 PROJECT.
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15 ABSTRACTS FROM THE 7 TH CONFEREN
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17 HERBICIDE NAMES: COMMON, TRADE,
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20 INTEGRATING WEED CONTROL STRATEG
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22 GIANT HOGWEED ERADICATION IN PEN
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24 EFFECTS OF EMERGENCE PERIODICITY
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26 PRODUCER AND PRODUCTION IMPACTS
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28 A SIMPLE METHOD FOR CLEANING TUF
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30 EMERGENCE AND PERFORMANCE OF TWO
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32 CARFENTRAZONE AND QUINCLORAC FOR
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34 2006 NEWSS SUMMER WEED CONTEST R
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36 INVASIVE AQUATIC WEEDS IN NORTH
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38 AMMONIUM PELARGONATE AS A BIOHER
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40 TRINEXAPAC-ETHYL INFLUENCES EFFI
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42 Table 1. Insect feeding damage,
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44 WEED CONTROL WITH TOPRAMEZONE PR
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46 ROTARY HOE EFFICACY IN CORN: INF
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48 ALFALFA/GRASS FORAGE MIXTURES US
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50 CONTROL OF NEW WEED SPECIES IN T
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52 Table 1. Results of 2006 contain
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54 TOLERANCES OF ORNAMENTAL SHRUBS
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56 2006 WEED MANAGEMENT TRIALS IN C
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58 THE RESPONSE OF FIELD AND CONTAI
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60 THE EFFICACY AND CROP TOLERANCE
Page 62 and 63: 62 Table 2. Plant quality ratings o
Page 64 and 65: 64 EVALUATION OF PROLINE-LINKED PEN
Page 66 and 67: 66 ANNUAL BLUEGRASS AND DOLLAR SPOT
Page 68 and 69: 68 Table 1. Autumn 2005 versus spri
Page 70 and 71: 70 A PRELIMINARY STUDY OF THE NON-N
Page 72 and 73: 72 native species, covering and smo
Page 74 and 75: 74 EFFECTS OF BUCKWHEAT RESIDUE ON
Page 76 and 77: 76 Japanese knotweed control 28 DAT
Page 78 and 79: 78 ENHANCED TOLERANCE TO WEED COMPE
Page 80 and 81: 80 EFFECTS OF PLANTING AND TERMINAT
Page 82 and 83: 82 A UNIFYING FRAMEWORK FOR SPECIES
Page 84 and 85: 84 BIOLOGY OF MULTIFLORA ROSE: AN I
Page 86 and 87: 86 AN OUNCE OF PREVENTION. M.J. Van
Page 88 and 89: 88 HERBICIDE COMPARISON IN WET BLAD
Page 90 and 91: 90 Table 1. Morrow's honeysuckle (L
Page 92 and 93: 92 EVALUATION OF HERBICIDES FOR CON
Page 94 and 95: 94 EVALUATION OF HERBICIDES FOR CON
Page 96 and 97: 96 HOT WATER SYSTEMS FOR VEGETATION
Page 98 and 99: 98 SEEDHEAD SUPPRESSION OF ANNUAL B
Page 100 and 101: 100 ROUGHSTALK BLUEGRASS CONTROL WI
Page 102 and 103: 102 EFFECT OF DEW AND GRANULAR FORM
Page 104 and 105: 104 USE OF TRICLOPYR TO REDUCE ANTI
Page 106 and 107: 106 YELLOW NUTSEDGE CONTROL WITH SU
Page 108 and 109: 108 PRE AND POST EMERGENT ANNUAL BL
Page 110 and 111: 110 PUMPKIN RESPONSE TO HALOSUFSULF
Page 114 and 115: 114 CHEMICAL CONTROL OF APPLE ROOT
Page 116 and 117: 116 STRAWBERRY PLANTING YEAR WEED C
Page 118 and 119: 118 WEED CONTROL IN NO-TILL PUMPKIN
Page 120 and 121: 120 NATURAL PRODUCT POTENTIAL FOR W
Page 122 and 123: 122 THE IR-4 PROJECT: UPDATE ON HER
Page 124 and 125: 124 PEDIGREE OF A PESTICIDE. D.R. S
Page 126 and 127: 126 SEEDHEAD SUPPRESSION OF ANNUAL
Page 128 and 129: 128 APPLICATIONS FOR SULFENTRAZONE
Page 130 and 131: 130 HORSEWEED: FROM OBSCURITY TO TH
Page 132 and 133: 132 RECENT FINDINGS ON THE FIELD BE
Page 134 and 135: 134 HORSEWEED RESPONSE TO NO-TILL P
Page 136 and 137: 136 THE MASSACHUSETTS EXAMPLE: ONE
Page 138 and 139: 138 Supplemental NEWSS Abstracts (p
Page 140 and 141: 140 ABSTRACTS AND BIOGRAPHIES FOR P
Page 142 and 143: 142 EVALUATION OF AN HERBICIDE APPL
Page 144 and 145: 144 ALUMINUM TREATMENT FOR PHOSPHOR
Page 146 and 147: 146 BIOLOGICAL CONTROL OF AQUATIC W
Page 148 and 149: 148 THE 2002 FARM BILL AND ITS EFFE
Page 150 and 151: 150 LAND USE PRACTICE IMPACTS ON NO
Page 152 and 153: 152 A NEW STANDARD FOR DEFINING AQU
Page 154 and 155: 154 PORTRAIT OF THE HEALTH STATUS O
Page 156 and 157: 156 TEN YEARS OF VARIABLE WATER MIL
Page 158 and 159: 158 Northeastern Weed Science Socie
Page 160 and 161: 160 meeting attendance numbers have
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162 members or to members of the Ex
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164 primary areas that had increase
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166 1 st place: Evaluation of Kentu
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168 d) Resolutions Committee Appoin
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170 2005, Hilary Sandler and Brent
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172 (Ornamentals), Rakesh Chandran
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174 Total Expenses $38,227.24 Total
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176 PUBLIC RELATIONS Brent Lackey A
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178 • 2 nd place team: Guelph tea
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180 WSSA REPRESENTATIVE Jeffrey Der
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182 b. Legislative Visits training
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184 b. Selection of a WSSA Member f
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186 WSSA Provides Comments to the C
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188 $179 million, in contrast to a
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190 NEWSS PAST PRESIDENTS Gilbert H
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192 1986 John R. Havis University o
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194 DISTINGUISHED MEMBERS 2002 Brad
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196 1991 1 Elizabeth Maynard Cornel
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198 COLLEGIATE WEED CONTEST WINNERS
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200 1996 - Penn State Agronomy Farm
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202 RESEARCH POSTER AWARDS 1983 1.
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204 1998 1. Weed Control Studies wi
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206 INNOVATOR OF THE YEAR 1986 Nath
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208 1960 The Influence of Cultivati
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210 1975 1. Control of Jimsonweed a
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212 1985 1. Peach Response to Sever
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214 Chris Benedict Cornell Universi
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216 Robert A. DeWaine Monsanto 505
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218 Robert Hedberg USDA/CSREES Scie
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220 Brian G Lackey Weeds Inc. 250 B
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222 Thomas Molloy University of Mai
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224 John Roy RWC, Inc. PO Box 876 2
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226 John R. Teasdale USDA-ARS Build
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228 HERBICIDE NAMES: COMMON, TRADE,
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230 Common Name Trade Name Chemical
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238 COMMON PRE-PACKAGED HERBICIDES
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240 Trade Name Resolve SG Rhino Rou
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242 COMMON AND CHEMICAL NAMES OF HE
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244 Heck, G.R., 114 Henry, G.M., 15
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246 MAIN SUBJECT INDEX (Herbicides,
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248 glyphosate, 29, 38, 39, 57, 70,
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250 shepherd's purse, 56 s-metolach
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