Proceedings of the NZ Weed and Pest Control Conference 44 (1991)

TopIntroduction
pdf Annual report 1990-91
A.J. Popay, p. 10

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pdf NZ Weed and Pest Control Research Scholarship - Brett Alexander
p. 10

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pdf Presidential address to the 43rd Conference, 1990
R.P. Pottinger, pp. 14-16

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TopForest and Scrub
pdf Tolerance of several species of tree seedlings to oxyfluorfen
A.L. Vanner, pp. 17-20

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pdf Evaluation of herbicides for the control of Pinus contorta
J.W. Ray and N.A. Davenhill, pp. 21-24

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pdf Control of sweet brier by the aerial application of glyphosate and Silwet L77
K.O. Fallow, pp. 25-27

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pdf Control of bracken and selectivity of radiata pine to primisulfuron
R.D. Welsh, H.M. Beetz and G.B. Follas, pp. 28-30

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pdf Establishment of gorse spider mite as a control agent for gorse
R.L. Hill, H.M. Grindell, C.J. Winks, J.J. Sheat and L.M. Hayes, pp. 31-34

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pdf Cholecalciferol as an alternative to sodium monofluoroacetate (1080) for poisoning possums
C.T. Eason, pp. 35-37

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pdf The responses of German wasps, Vespula germanica, to ingestion of the microbial toxin, avermectin B1
J.J. Dymock, S.A. Forgie and P.J. Wigley, pp. 38-41

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pdf Wasp control by poison baiting: experiemental use of hydramethylnon in canned sardine bait
E.B. Spurr, pp. 42-46

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TopFruit Crops I
pdf Evaluation of mating disruption of lightbrown apple moth in Nelson
D.M. Suckling and P.W. Shaw, pp. 47-51

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pdf Monitoring leafroller moths in Bay of plenty kiwifruit orchards
A.R. Tomkins, D. Steven, C. McKenna, N. Lees and P. Sale, pp. 52-57

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pdf Activity of neem, nutmeg and pine oils against the lightbrown apple moth
B.H. Rohitha, R.P. Pottinger and D.R. Lauren, pp. 58-60

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pdf High temperature disinfestation of nectarines: lightbrown apple moth larvae
D.B. Birtles, B.C. Waddell and J.H. Maindonald, pp. 61-65

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pdf Insect control on apples with RH-5992, a novel insect growth regulator
J.T.S. Walker, G.T. Baynon and V. White, pp. 66-69

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pdf Toxicity and repellency of insecticides to oribatid mites infesting kiwifruit
A.R. Tomkins, P.J. Gerard and C. Thomson, pp. 70-74

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pdf Relative efficacy of chemicals for dormant season control of armoured scale on kiwifruit
R.H. Blank, M.H. Olson and J.E. Waller, pp. 75-79

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pdf Monitoring and control of pear slug (sawfly) in an organic nashi orchard
C.W. van Epenhuijsen and H.N. de Silva, pp. 80-85

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pdf Fungicides for control of black spot and powdery mildew in organic apple production systems
R.M. Beresford, P.A.G. Elmer, M. Spink, R.T. Alexander and M.J. Daly, pp. 86-90

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pdf Incidence of Erwinia herbicola in New Zealand apple orchards: implications for biological control
L.P. Kearns and CN. Hale, pp. 91-94

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TopPesticides
pdf A simple technique for determining herbicide mobility in soils
A. Rahman and T.K. James, pp. 95-98

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pdf Persistence of metsulfuron in different soils
A. Rahman, T.K. James, P. Martin and D.K. Fullerton, pp. 99-104

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pdf Seasonal uptake and translocation of metsulfuron in gorse (Ulex europaeus)
J.A. Zabkiewicz and R.E. Gaskin, pp. 105-108

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pdf A comparison between two commercial organosilicone surfactants; their effect on the uptake and translocation of glyphosate in gorse (Ulex europaeus)
R.E. Gaskin and J.A. Zabkiewicz, pp. 109-111

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pdf The effect of spray thickening anti-drift adjuvants on flow rates through nozzles
B. Richardson and J. Ray, pp. 112-115

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TopVegetables and Ornamentals
pdf Control of weeds in five herb crops
T.K. James, A. Rahman and J.A. Douglas, pp. 116-120

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pdf Effect of cultivation on weed seed emergence
M.J. Hartley, pp. 121-124

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pdf Density dependence of weed seed production in two field crops
M.J. Hartley, pp. 125-128

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pdf Identification of viruses in process tomatoes using commercial ELISA kits
K.G. Tate, J.D. Fletcher, D.W. Manktelow, A.J. Kale and I.S. Brice, pp. 129-133

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pdf Control of Stemphylium leaf spot in asparagus with difenoconazole
G.B. Follas and H.M. Beetz, pp. 134-137

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pdf Tolerance of Calla lilies to herbicides
A. Ingle and W.T. Bussell, pp. 138-142

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pdf An evaluation of the efficacy of fungicides to control fairy ring spot of carnation
M. Braithwaite, R.C. Close and D.J. Saville, pp. 143-146

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pdf Evaluation of three molluscicide baits against slugs in vegetables
A.C. Firth, G.M. Barker and P.J. Addison, pp. 147-149

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TopCurrent Topics
pdf Integrated pest management in New Zealand: limitations and models for change
M.E. Whalon and D.R. Penman, pp. 150-155

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pdf Weed research in western Canada
W.H. van den Bborn, pp. 156-159

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pdf Pesticide use: an approach to conflict resolution
D.R. Penman and J.F. Brunner, pp. 160-164

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TopPastoral Pests
pdf The economic cost of Argentine stem weevil in pastures in New Zealand
R.A. Prestidge, G.M. Barker and R.P Pottinger, pp. 165-170

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pdf Seasonal damage by Argentine stem weevil to perennial ryegrass pastures with different levels of Acremonium lolii
A.J. Popay and R.A. Mainland, pp. 171-175

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pdf Seasonal levels of peramine and lolitrem b. in Acremonium lolii-infected perennial ryegrass 
O.J-P. Ball, R.A. Prestidge, J.M. Sprosen and D.R. Lauren, pp. 176-180

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pdf The effects of the endophytic fungus, Acremonium starii on feeding and oviposition of the Argentine stem weevil
N.L. Bell and R.A. Prestidge, pp. 181-184

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pdf Comparative pathogenicty of Beauvaria bassiana isolates to adult Argentine stem weevil in the laboratory
H.H. Goh, G.M. Barker, P.J. Addison, S.N. Lyons and A.C. Firth, pp. 185-188

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pdf Glasshouse evaluations of seed treatments for protection of ryegrass seedlings from insect pests
G.M. Barker, P.J. Addison and l.N. Robertson, pp. 189-194

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pdf A novel bait formulation for slug and snail control
G.M. Barker, R.P. Pottinger, J.M. Lloyd, P.J. Addison, A.C. Firth and A.P. Stewart, pp. 195-200

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pdf Bacterial control of the sheep blow fly
M.L. Garnham, J.F. Pearson and T.A. Jackson, pp. 201-204

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pdf Screening of plants and plant extracts for repellency to Tinea dubiella, a major New Zealand wool pest
P.J. Gerard and L.D. Ruf, pp. 205-208

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pdf Pathogenicity of Beauvaria, metarhizium, Paecilomyces and Fusarium isolates against early instar grass grub (Costelytra zealandica) larvae
H.H. Goh, B. Willoughby, R.A. Prestidge and S.N. Lyons, pp. 209-211

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pdf Grass grub damage in irrigated and dryland pastures near Carew, mid Canterbury
T.A. Jackson and R.J. Townsend, pp. 212-213

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pdf Comparative pathogenicity to Argentine stem weevil of Beauveria bassiana from various hosts
G.M. Barker, H.H. Goh, S.N. Lyons and P.J. Addison, pp. 214-215

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TopFruit Crops II
pdf Development of disease management systems (DMS) for Hawkes Bay pip and stone fruit production
D.W.L. Manktelow and K.G. Tate, pp. 216-219

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pdf Survey of fungicide resistance in Monilinia fructicola in New Zealand
M. Braithwatie, P.A.G. Elmer and S. Ganev, pp. 220-224

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pdf Survival of Monilinia fructicola resistant to MBC and dicarboximide fungicides on twig cankers and mummified fruits
N. Sanoamuang and R.E. Gaunt, pp. 225-228

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pdf Inheritance of resistance to MBC and dicarboximide fungicides in isolates of Monilinia fructicola
N. Sanoamuang, R.E. Gaunt and A.G. Fautrier, pp. 229-231

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pdf Post-harvest rots of avocados and their control
W.F.T. Hartill, P.R. Sale and D. Sawden, pp. 232-236

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pdf A comparison of buprofezin and deltamethrin/oil for control of greenhouse whitefly on tamarillo
R.H. Blank, T.E. Dawson and A.C. Richardson, pp. 237-241

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pdf Mating disruption of curant clearwing, Synanthedon tipuliformis
W.P. Thomas and G.M. Burnip, pp. 242-247

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pdf Effect of fluvalinate on the development and survival of two-spotted spider mite
J.M. Holland and R.B. Chapman, pp. 248-251

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pdf Use of discriminating concentration for monitoring propargite resistance in two-spotted spider mite
K.H. Kabir, R.B. Chapman and D.R. Penman, pp. 252-256

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pdf Estimating selection for endosulfan resistance in coffee berry borer in New Caledonia
L.O. Brun and D.M. Suckling, pp. 257-259

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pdf Greedy scale and the fungus Fusarium stilboides
A.M. Ferguson and J.D. Fletcher, pp. 260-261

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pdf Control of blossom blight in stonefruit with difenoconazole
G. Follas and H.M. Beetz, pp. 262-264

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pdf Preliminary observations of diseases on persimmon (Diospyros kaki) and their potential effect on fruit quality
H.H. Goh, S.N. Lyons and A.W. Mowat, pp. 265-267

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TopNew Techniques
pdf A system to accurately apply fine powders
A.M. Ferguson and M.J. King, pp. 268-269

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TopPasture Weeds
pdf Evidence for the heritability of mCPA-resistance in giant buttercup (Ranunculus acris)
G.W. Bourdot and G.A. Hurrell, pp. 270-274

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pdf Application time influences the development of herbicide resistance in giant buttercup (Ranunculus acris)
D.M. Leathwick and G.W. Bourdot, pp. 275-279

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pdf Why nodding thistle receptacle weevil destroys so little nodding thistle seed in canterbury
D. Kelly and R. Wood, pp. 280-283

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pdf Residual allelopathic effects of pasture grasses and legumes on nodding thistle seedling emergence and growth
D.A. Wardle, K.S. Nicholson and M. Ahmed, pp. 284-287

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pdf Increasing temperatures may enhance emergence and seedling growth of nodding thistle, summer grass and spiny emex
M. Ahmed and d.A. Wardle, pp. 288-291

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pdf Distribution and establishment of two biological control agents for ragwort in New Zealand
P. Syrett, J.M. Grindell, L.M. hayes and c.J. Winks, pp. 292-295

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TopArable Crops and Seed Production
pdf Weed seed occurrence in cocksfoot seedlots
J.S. Rowarth, M.P. Rolston and A.A. Johnson, pp. 296-299

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pdf Herbicide evaluation in China aster grown for seed
L. Phetpradap and J.G. Hampton, pp. 300-303

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pdf The effect of propiconazole on leaf spot infection and seed yield of velvet grass
M.S. Tolentino and J.G. Hampton, pp. 304-306

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pdf Net blotch of barley
J.E. Sheridan, pp. 307-309

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pdf Evaluation of lamdacyhalothrin for control of greasy cutworm in seedling maize
P.J. Addison, G.M. Barker, A.C. Firth and G.B. Brown, pp. 310-311

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Material from these papers was presented at the Annual Conference held at Willow Park Motor Hotel, Tauranga on 13-15 August 1991.

Edited by A.J. Popay.
Published by The New Zealand Weed and Pest Control Society Inc.

Please refer to the terms of use.