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

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34 2006 NEWSS SUMMER WEED CONTEST RESULTS. P.L. Rardon, G.R. Armel, D.R. Vincent, L.F. Houck, and M.C. McComrick, DuPont Crop Protection, Newark, DE. ABSTRACT Results of the 2006 NEWSS Summer Weed Science contest are presented with highlights of the competition from the 11 graduate level and 5 undergraduate level teams. Photographs of the competitors and various problems are displayed. 16
35 COMPARING SELECTED HERBICIDES TO METHYL BROMIDE FOR WEED CONTROL IN THREE HERBACEOUS PERENNIALS. D.A. Little, M.W. Marshall, Michigan State Univ., East Lansing, R.J. Richardson, North Carolina State Univ., Raleigh, and B.H. Zandstra, Michigan State Univ., East Lansing. ABSTRACT The methyl-bromide (MeBr) phase-out has reduced the ability of ornamental growers to adequately control weeds. In 2004 and 2005, a field study was conducted at the Michigan State University Southwest Research and Extension Center located near Benton Harbor to evaluate herbicides as alternatives to MeBr in nursery production. In early June 2004, a standard treatment of MeBr:chloropicrin (98:2) was applied at a rate of 392 kg/ha. Treatments tested were granular flumioxazin (0.28 kg/ha), granular oxadiazon (2.24 kg/ha), isoxaben (1.12 kg/ha), dithiopyr (0.28 kg/ha), metolachlor (1.68 kg/ha), granular pendimethalin (1.4 kg/ha) plus granular oxadiazon, isoxaben plus oryzalin, isoxaben plus dithiopyr, isoxaben plus metolachlor, and an untreated control. Herbicide treatments were applied in mid-June in 2004 and 2005. Perennials evaluated were bugleweed (Ajuga reptans), periwinkle (Vinca minor), and daylily (Hemerocallis spp.). Weeds present included common ragweed (Ambrosia artemisiifolia), common lambsquarters (Chenopodium album), large crabgrass (Digitaria sanguinalis), and carpetweed (Mollugo verticillata). Crop injury and weed control were visually rated on a 0-100% scale, with 0% equal to no crop injury or no weed control and 100% equal to complete crop death or weed control. Visual ratings were made monthly for up to four months. Perennial plant size measurements were collected at the end of each growing season. Flumioxazin and isoxaben plus oryzalin were the only treatments to provide better than 60% control of common ragweed, common lambsquarters, large crabgrass, and carpetweed. However, flumioxazin cause visual injury up to 30, 13, and 23% and plant size reductions of up to 67, 25, and 20% on bugleweed, periwinkle and daylily, respectively. Isoxaben plus oryzalin caused visual injury up to 35, 5 and 6% and plant size reductions of up to 44, 43, and 0% on bugleweed, periwinkle and daylily, respectively. Isoxaben plus dithiopyr was the only treatment not significantly different from MeBr across all rating dates for visual injury, plant size, and weed control. 17
Page 1 and 2: 1 Proceedings of the Sixty-first An
Page 3 and 4: 3 NORTHEASTERN WEED SCIENCE SOCIETY
Page 5 and 6: 5 SECTION CHAIRS Agronomy Chair: J.
Page 7 and 8: 7 CARFENTRAZONE AND QUINCLORAC FOR
Page 9 and 10: 9 THE EFFICACY AND CROP TOLERANCE O
Page 11 and 12: 11 EVALUATION OF HERBICIDES FOR CON
Page 13 and 14: 13 BEING HEARD BY THE IR-4 PROJECT.
Page 15 and 16: 15 ABSTRACTS FROM THE 7 TH CONFEREN
Page 17: 17 HERBICIDE NAMES: COMMON, TRADE,
Page 20 and 21: 20 INTEGRATING WEED CONTROL STRATEG
Page 22 and 23: 22 GIANT HOGWEED ERADICATION IN PEN
Page 24 and 25: 24 EFFECTS OF EMERGENCE PERIODICITY
Page 26 and 27: 26 PRODUCER AND PRODUCTION IMPACTS
Page 28 and 29: 28 A SIMPLE METHOD FOR CLEANING TUF
Page 30 and 31: 30 EMERGENCE AND PERFORMANCE OF TWO
Page 32 and 33: 32 CARFENTRAZONE AND QUINCLORAC FOR
Page 36 and 37: 36 INVASIVE AQUATIC WEEDS IN NORTH
Page 38 and 39: 38 AMMONIUM PELARGONATE AS A BIOHER
Page 40 and 41: 40 TRINEXAPAC-ETHYL INFLUENCES EFFI
Page 42 and 43: 42 Table 1. Insect feeding damage,
Page 44 and 45: 44 WEED CONTROL WITH TOPRAMEZONE PR
Page 46 and 47: 46 ROTARY HOE EFFICACY IN CORN: INF
Page 48 and 49: 48 ALFALFA/GRASS FORAGE MIXTURES US
Page 50 and 51: 50 CONTROL OF NEW WEED SPECIES IN T
Page 52 and 53: 52 Table 1. Results of 2006 contain
Page 54 and 55: 54 TOLERANCES OF ORNAMENTAL SHRUBS
Page 56 and 57: 56 2006 WEED MANAGEMENT TRIALS IN C
Page 58 and 59: 58 THE RESPONSE OF FIELD AND CONTAI
Page 60 and 61: 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
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88 HERBICIDE COMPARISON IN WET BLAD
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90 Table 1. Morrow's honeysuckle (L
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92 EVALUATION OF HERBICIDES FOR CON
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94 EVALUATION OF HERBICIDES FOR CON
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96 HOT WATER SYSTEMS FOR VEGETATION
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98 SEEDHEAD SUPPRESSION OF ANNUAL B
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100 ROUGHSTALK BLUEGRASS CONTROL WI
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102 EFFECT OF DEW AND GRANULAR FORM
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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
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110 PUMPKIN RESPONSE TO HALOSUFSULF
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112 Figure 1. Grass cover following
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114 CHEMICAL CONTROL OF APPLE ROOT
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116 STRAWBERRY PLANTING YEAR WEED C
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118 WEED CONTROL IN NO-TILL PUMPKIN
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120 NATURAL PRODUCT POTENTIAL FOR W
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122 THE IR-4 PROJECT: UPDATE ON HER
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124 PEDIGREE OF A PESTICIDE. D.R. S
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126 SEEDHEAD SUPPRESSION OF ANNUAL
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128 APPLICATIONS FOR SULFENTRAZONE
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130 HORSEWEED: FROM OBSCURITY TO TH
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132 RECENT FINDINGS ON THE FIELD BE
Page 134 and 135:
134 HORSEWEED RESPONSE TO NO-TILL P
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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
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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
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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
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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
Page 166 and 167:
166 1 st place: Evaluation of Kentu
Page 168 and 169:
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
Page 176 and 177:
176 PUBLIC RELATIONS Brent Lackey A
Page 178 and 179:
178 • 2 nd place team: Guelph tea
Page 180 and 181:
180 WSSA REPRESENTATIVE Jeffrey Der
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182 b. Legislative Visits training
Page 184 and 185:
184 b. Selection of a WSSA Member f
Page 186 and 187:
186 WSSA Provides Comments to the C
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188 $179 million, in contrast to a
Page 190 and 191:
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
Page 196 and 197:
196 1991 1 Elizabeth Maynard Cornel
Page 198 and 199:
198 COLLEGIATE WEED CONTEST WINNERS
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200 1996 - Penn State Agronomy Farm
Page 202 and 203:
202 RESEARCH POSTER AWARDS 1983 1.
Page 204 and 205:
204 1998 1. Weed Control Studies wi
Page 206 and 207:
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
Page 212 and 213:
212 1985 1. Peach Response to Sever
Page 214 and 215:
214 Chris Benedict Cornell Universi
Page 216 and 217:
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
Page 222 and 223:
222 Thomas Molloy University of Mai
Page 224 and 225:
224 John Roy RWC, Inc. PO Box 876 2
Page 226 and 227:
226 John R. Teasdale USDA-ARS Build
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228 HERBICIDE NAMES: COMMON, TRADE,
Page 230 and 231:
230 Common Name Trade Name Chemical
Page 232 and 233:
Page 234 and 235:
Page 236 and 237:
Page 238 and 239:
238 COMMON PRE-PACKAGED HERBICIDES
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240 Trade Name Resolve SG Rhino Rou
Page 242 and 243:
242 COMMON AND CHEMICAL NAMES OF HE
Page 244 and 245:
244 Heck, G.R., 114 Henry, G.M., 15
Page 246 and 247:
246 MAIN SUBJECT INDEX (Herbicides,
Page 248 and 249:
248 glyphosate, 29, 38, 39, 57, 70,
Page 250:
250 shepherd's purse, 56 s-metolach
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