Proceedings of the NZ Weed and Pest Control Conference 43 (1990)

TopIntroduction
pdf Obituary - Alan Meeklah
p. 11

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pdf Presidential address to the 42nd Annual Conference
M.J. Hartley, pp. 15-16

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pdf Annual report 1989-90
A.J. Popay, p. 16

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pdf NZ Weed and Pest Control Research Scholarship - Mark Braithwaite
p. 16

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TopVegetables and Ornamentals
pdf Pheromone trapping and field scouting for tomato fruitworm in tomatoes and sweet corn
G.P. Walker and P.J. Cameron, pp. 17-20

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pdf Comparison of lepidopteran pest populations and their parasitoids in three vegetable brassicas
N.G. Beck and P.J. Cameron, pp. 21-25

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pdf Developing an action threshold for lepidopterous pests of cabbage
N.G. Beck and P.J. Cameron, pp. 26-30

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pdf Insecticide resistance in diamondback moth in New Zealand
P.D. Bell and P.G. Fenemore, pp. 31-34

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pdf Activity of RH7988 against aphids and their natural enemies
T.J.B. Herman and R.B. Chapman, pp. 35-38

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pdf Effects of powdery mildew on vining and seed yields of grade peas
R.E. Falloon and R.E. Scott, pp. 39-42

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pdf Tolerance of several flower species to herbicides
T.I. Cox, R.M. Kerr and A. Ingles, pp. 43-47

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pdf Herbicides for the control of Mercer grass (Paspalum distichum) in asparagus
A. Rahman and P. Sanders, pp. 48-51

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pdf Chemical control of Jersey cudweed (Gnaphalium luteo-album) in asparagus
P. Sanders and A. Rahman, pp. 52-55

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pdf Assessment of herbicide residues in fields of established asparagus
A. Rahman and P. Sanders, pp. 56-59

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pdf Insecticidal soaps for post harvest control in thrips in asparagus
J.B. Waller, pp. 60-62

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pdf Control of garden weevil (Phlyctinus callosus) larvae and pupae with a parasitic nematode and a fungal pathogen
R.A. Prestidge and B. Willoughby, pp. 63-66

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pdf Control of black vine weevil (Otiorhynchus sulcatus) larvae with different rates of a parasitic nematode (Heterorhabditis bacteriophora)
C.M. Ferguson, B.I.P. Baratt, P.A. Jones and M.L. Garnham, pp. 67-69

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pdf The use of entomogenous nematodes for the control of black vine weevil in cyclamen
M. Garnham and H. McNab, pp. 70-72

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pdf Effect of cultivar and cultural techniques on carrot rust fly and carrot production
A. Carpenter, C.W. van Epenhuijsen, S. Wright and L. Tilbury, pp. 73-76

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pdf Control of Jersey cudweed (Gnaphalium luteo-album) in asparagus
G.B. Follas, pp. 77-78

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pdf Control of meadow spittlebug (Philaenus spumarius L.)
P.A.J. Jones and B.I.P. Barratt, pp. 79-81

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TopFruit Crops
pdf Growth responses of stonefruit to twice yearly applications of residual herbicides
R.B. Mitchell and R.J. Abernethy, pp. 82-86

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pdf Herbicide tolerance of young cherry trees
M.J. Hartley, pp. 87-89

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pdf Induction of lateral branching in young cherry trees
M.J. Hartley and A.J. Hodson, pp. 90-94

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pdf The behaviour and reproductive response of European red mite to fluvalinate
J.M. Holland and R.B. Chapman, pp. 95-99

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pdf Insecticides for adult garden weevil and problems with control on glasshouse grapes
P.L. Lo, R.H. Blank and R.E. Parker, pp. 100-103

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pdf A comparison of the winter soil surface fauna in organically managed and conventionally managed areas
K.M. Kelly and R.R. Scott, pp. 104-108

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pdf Population dynamics of dicarboximide resistant strains of Monilinia fructicola and conservation of the dicarboximides for brown rot control
P.A.G. Elmer and R.E. Gaunt, pp. 109-113

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pdf Development of a decision aid for pest and disease management in fruit crops
D.W. Manktelow and M. Laurenson, pp. 114-116

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pdf Rubidium marking in New Zealand flower thrips for dispersal studies
E.C. Ellis, R.B. Chapman and D.R. Penman, pp. 117-118

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pdf Pear slug and apple leaf curling midge: observations on their biology and control in an organic orchard 
C.W. van Epenhuijsen and A. Carpenter, pp. 119-122

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pdf Control of powdery mildew (Sphaerotheca mors-uvae) on gooseberries with penconazole
G.B. Follas, pp. 123-124

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TopSeed and Arable Crops
pdf Weed seed occurrence in ryegrass seedlots
J.S. Rowarth, M.P. Rolston and A.A. Johnson, pp. 125-129

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pdf White clover control in ÔGrassland Maku' lotus (Lotus pendunculatus) seed crops
M.D. Hare and M.P. Rolston, pp. 130-133

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pdf Herbicide tolerance of established tall fescue and phalaris seed crops
M.P. Rolston and W.J. Archie, pp. 134-137

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pdf Weed control in organic arable crops
W. Stiefel and A.I. Popay, pp. 138-141

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pdf Soil activity and persistence eof the sulfonylurea herbicide primisulfuron
A. Rahman, T.K. James and T.M. Patterson, pp. 142-145

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pdf Soil mobility and moisture studies with some grass herbicides
T.K. James and A. Rahman, pp. 146-149

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pdf Differential response of wheat cultivars to chlorsulfuron
F. Dastgheib and R.J. Field, pp. 150-153

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pdf Trends in stripe rust resistance in New Zealand wheat cultivars
M.G. Cromey, pp. 154-158

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pdf Yield loss: disease relationships in barley crops with different yield potentials
H.G. Whelan and R.E. Gaunt, pp. 159-162

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pdf A cost-benefit analysis of biological control of rose-grain aphid in New Zealand
T.P. Grundy, pp. 163-165

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TopForest and Scrub
pdf Emergence of gorse seedlings from a root-raked area
A.I. Popay and C.Adams, pp. 166-169

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pdf Effects of pasture species, lime and fertiliser on gorse seedling regeneration
A.I. Popay, C.J. Allan, D.K. Edmonds, L.A. Lyttle and H.T. Phung, pp. 170-173

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pdf The effects of silwet L77 on triclopyr absorption
R.D. Buick, R.J. Field and A.B. Robson, pp. 174-177

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pdf The toxicity of herbicides to the gorse spider mite Tetranychus lintearius
G.G. Searle, D.R. Penman and R.B. Chapman, pp. 178-181

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pdf Chemical control of wilding conifer seedlings
E.R. Crozier, pp. 182-186

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pdf Control of Terminal Crook disease in radiata pine seedlings
A.L. Vanner, pp. 187-190

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pdf Rearing and distribution of the introduced wasp parasitoid Sphecophaga vesparum throughout New Zealand
P.E.C. Read, B.J. Donovan and N.C. Schroeder, pp. 191-194

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pdf Inoculation of wasp nests with the parastoid Sphecophaga vesparum
B.J. Donavan, J.W.M. Marris, N.C. Schroeder and P.E.C. Read, pp. 195-196

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pdf Fluvalinate as a repellent to the gorse spider mite Tetranychus lintearius
D.R. Penman and G.G. Searle, pp. 197-199

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TopSymposium
pdf Genetic engineering of plants for weed, disease and pest control: science versus politics?
A.J. Conner, H.J. Bezar and J.W. Ashby, pp. 200-208

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pdf Natural enemies for inundative and seasonal inoculative release: policy issues
N.A. Martin and C.H. Wearing, pp. 209-211

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TopPasture Weeds
pdf Seed predation in nodding and slender winged thistles by nodding thistle receptacle weevil
D. Kelly, K. McCallum, C.J. Schmidt and P.M. Scanlan, pp. 212-215

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pdf Pre and post-dispersal predation of nodding thistle seeds by birds and rodents
K. McCallum and D. Kelly, pp. 216-219

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pdf Influence of grazing and phenoxy herbicides on nodding thistle
P. Sanders, pp. 220-224

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pdf Interactions between establishing nodding thistle and pasture seedlings
K.S. Nicholson, A. Rahman and D.A. Wardle, pp. 225-228

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pdf MCPA-resistance in giant buttercup (Ranunculus acris L.) in North Island dairy pastures
G.W. Bourdot, G.A. Hurrell and D.J. Saville, pp. 229-232

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pdf Effects of annual treatment of MCPA and mCPB on giant buttercup (Ranunculus acris L.) in dairy pastures
G.W. Bourdot and G.A. Hurrell, pp. 233-236

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pdf Daisy control and pasture tolerance
R.B. Mitchell and R.J. Abernethy, pp. 237-239

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TopKiwifruit
pdf Influence of temperature on toxicity of diazinon to greedy scale
R.H. Blank and M.H. Olson, pp. 240-242

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pdf The toxicity of methidathion against armoured scale pests in kiwifruit
R.H. Blank and M.H. Olson, pp. 243-246

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pdf The toxicity of four insecticides to the mite Hemisarcoptes coccophagus and its host scale Hemiberlesia lataniae
V.F. Keesing, pp. 247-251

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pdf Winter clean-up sprays for latania scale (Hemiberlesia lataniae) on lombardy poplar shelter in kiwifruit orchards
M.G. Hill and D.J. Allan, pp. 252-255

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pdf A laboratory study of the effects of hydrogen cyanamide on latania scale (Hemiberlesia lataniae)
M.G. Hill, D.J. Allan and R.C. Henderson, pp. 256-257

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pdf Pasteuria penetrans as a potential control agent for root knot nematode
R.N. Watson and L.J. Perry, E.A. Wilson, pp. 359-360

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TopTechniques
pdf Calculating the economics of weed control
G.W. Bourtdot and D.J. Saville, pp. 258-261

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pdf Weed trials using a rotary weed wiper
P. Martin, D.K. Fullerton and T.K. James, pp. 262-265

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pdf An ecological basis for estimating probabilities of colonization for weed seeds contaminating imported plant products
F.D. Panetta, pp. 266-269

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pdf The effect of solarisation on vegetable crop production
R.T. Alexander, pp. 270-273

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pdf Kinetics of medroxyprogestrone acetate and effects of a single oral dose on fertility in female rabbits
N.O. Oguge and G.K. Barrell, pp. 274-277

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pdf The precision and utility of bioassay methods for testing miticides against spider mites
K.H. Kabir, R.B. Chapman and D.R. Penman, pp. 278-281

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pdf Modelling impact of biological control agents
N.D. Barlow and S.L. Goldson, pp. 282-283

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pdf Computer models for studying the development and management of pesticide resistance
D.M. Leathwick and N.D. Barlow, pp. 284-286

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pdf OPIL, a computer expert knowledge base for organic farming
P. Fisher, pp. 287-288

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pdf Effect of vegetation suppression on ryegrass establishment by direct drilling
G.M. Barker, P.J. Addison, A.C. Firth and L.N. Robertson, pp. 289-291

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pdf Are organic foods safe?
W.F.T. Hartill, pp. 292-295

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TopPipfruit
pdf Pyrethroid insecticides for apple pest control: I. Development of pyrethroid resistant predatory mites
N.P. Markwick, C.H. Wearing and P.W. Shaw, pp. 296-300

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pdf Pyrethroid insecticides for apple pest control: II. Field evaluation of mite and insect control
J.T.S. Walker, N.P. Markwick, C.H. Wearing, P.W. Shaw and V. White, pp. 301-305

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pdf Reducing insecticide use in pipfruit: nelson demonstration trials
D.M. Suckling, J.T.S. Walker and P.W. Shaw, pp. 306-310

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pdf Preliminary trials on mating disruption of lightbrown apple moth in Nelson
D.M. Suckling and P.W. Shaw, pp. 311-316

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pdf Granulosis virus control of codling moth in Nelson
C.H. Wearing, pp. 317-321

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pdf Monitoring lepidopterous pests at two canterbury orchards
D.M. Suckling, W.P. Thomas, G.M. Burnip and A. Robson, pp. 322-327

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pdf Time-mortality response of leafrollers exposed to commercial controlled atmosphere coolstorage
B.C. Waddell, P.R. Dentener and T.A. Batchelor, pp. 328-333

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TopPastoral Pests
pdf Importation and quarantine of microctonus hyperodae a South American parasitoid of Argentine stem weevil
S.L. Goldson, M.R. McNeill, M.W. Stufkens, J.R. Proffitt, R.P. Pottinger and J.A. Farrell, pp. 334-338

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pdf The effect of storage on the ability of argentine stem weevil to sustain the development of the parasitoid Microctonus hyperodae
S.L. Goldson and J.R. Proffitt, pp. 339-342

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pdf Residual effects of controlled release chlorpyrifos against grass grub larvae
A. Cliffe, G. Kerse, C. Canty, R. Wrenn and G. Barker, pp. 343-346

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pdf Effects of plant nematodes and Acremonium endophyte on white clover establishment with ryegrass or tall fescue
R.N. Watson, pp. 347-351

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pdf Feeding, growth and survival of the black field cricket, Teleogryllus commodus, on potential model plants for genetic transformation
E.P.J. Burgess, P.J. Stevens, L.L. Beuning, J.T. Christeller and W.A. Laing, pp. 352-355

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pdf The relative importance of the Australian green blowfly, Lucilia cuprina (Weidemann), as a flystrike blowfly at a Waikato sheep station
J.J. Dymock, M.O.E. Peters, T.J.B. Herman and K.J. Froud, pp. 356-358

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Material from these papers was presented at the Annual Conference held at Pacific Park Hotel, Dunedin on 14-16 August 1990.

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

Please refer to the terms of use.