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

Introduction

Obituary - Alan Meeklah

  p. 11

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Presidential address to the 42nd Annual Conference

M.J. Hartley   pp. 15-16

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Annual report 1989-90

A.J. Popay   p. 16

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NZ Weed and Pest Control Research Scholarship - Mark Braithwaite

  p. 16

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Vegetables and Ornamentals

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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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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Developing an action threshold for lepidopterous pests of cabbage

N.G. Beck and P.J. Cameron   pp. 26-30

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Insecticide resistance in diamondback moth in New Zealand

P.D. Bell and P.G. Fenemore   pp. 31-34

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Activity of RH7988 against aphids and their natural enemies

T.J.B. Herman and R.B. Chapman   pp. 35-38

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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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Tolerance of several flower species to herbicides

T.I. Cox, R.M. Kerr and A. Ingles   pp. 43-47

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Herbicides for the control of Mercer grass (Paspalum distichum) in asparagus

A. Rahman and P. Sanders   pp. 48-51

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Chemical control of Jersey cudweed (Gnaphalium luteo-album) in asparagus

P. Sanders and A. Rahman   pp. 52-55

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Assessment of herbicide residues in fields of established asparagus

A. Rahman and P. Sanders   pp. 56-59

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Insecticidal soaps for post harvest control in thrips in asparagus

J.B. Waller   pp. 60-62

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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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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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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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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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Control of Jersey cudweed (Gnaphalium luteo-album) in asparagus

G.B. Follas   pp. 77-78

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Control of meadow spittlebug (Philaenus spumarius L.)

P.A.J. Jones and B.I.P. Barratt   pp. 79-81

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Fruit Crops

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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Herbicide tolerance of young cherry trees

M.J. Hartley   pp. 87-89

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Induction of lateral branching in young cherry trees

M.J. Hartley and A.J. Hodson   pp. 90-94

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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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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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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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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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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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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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Pear slug and apple leaf curling midge: observations on their biology and control in an organic orchardĀ 

C.W. van Epenhuijsen and A. Carpenter   pp. 119-122

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Control of powdery mildew (Sphaerotheca mors-uvae) on gooseberries with penconazole

G.B. Follas   pp. 123-124

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Seed and Arable Crops

Weed seed occurrence in ryegrass seedlots

J.S. Rowarth, M.P. Rolston and A.A. Johnson   pp. 125-129

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White clover control in 'Grassland Maku' lotus (Lotus pendunculatus) seed crops

M.D. Hare and M.P. Rolston   pp. 130-133

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Herbicide tolerance of established tall fescue and phalaris seed crops

M.P. Rolston and W.J. Archie   pp. 134-137

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Weed control in organic arable crops

W. Stiefel and A.I. Popay   pp. 138-141

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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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Soil mobility and moisture studies with some grass herbicides

T.K. James and A. Rahman   pp. 146-149

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Differential response of wheat cultivars to chlorsulfuron

F. Dastgheib and R.J. Field   pp. 150-153

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Trends in stripe rust resistance in New Zealand wheat cultivars

M.G. Cromey   pp. 154-158

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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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A cost-benefit analysis of biological control of rose-grain aphid in New Zealand

T.P. Grundy   pp. 163-165

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Forest and Scrub

Emergence of gorse seedlings from a root-raked area

A.I. Popay and C.Adams   pp. 166-169

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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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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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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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Chemical control of wilding conifer seedlings

E.R. Crozier   pp. 182-186

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Control of Terminal Crook disease in radiata pine seedlings

A.L. Vanner   pp. 187-190

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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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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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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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Symposium

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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Natural enemies for inundative and seasonal inoculative release: policy issues

N.A. Martin and C.H. Wearing   pp. 209-211

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Pasture Weeds

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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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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Influence of grazing and phenoxy herbicides on nodding thistle

P. Sanders   pp. 220-224

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Interactions between establishing nodding thistle and pasture seedlings

K.S. Nicholson, A. Rahman and D.A. Wardle   pp. 225-228

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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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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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Daisy control and pasture tolerance

R.B. Mitchell and R.J. Abernethy   pp. 237-239

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Kiwifruit

Influence of temperature on toxicity of diazinon to greedy scale

R.H. Blank and M.H. Olson   pp. 240-242

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The toxicity of methidathion against armoured scale pests in kiwifruit

R.H. Blank and M.H. Olson   pp. 243-246

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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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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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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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Techniques

Calculating the economics of weed control

G.W. Bourtdot and D.J. Saville   pp. 258-261

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Weed trials using a rotary weed wiper

P. Martin, D.K. Fullerton and T.K. James   pp. 262-265

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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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The effect of solarisation on vegetable crop production

R.T. Alexander   pp. 270-273

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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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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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Modelling impact of biological control agents

N.D. Barlow and S.L. Goldson   pp. 282-283

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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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OPIL, a computer expert knowledge base for organic farming

P. Fisher   pp. 287-288

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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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Are organic foods safe?

W.F.T. Hartill   pp. 292-295

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Pipfruit

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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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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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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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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Granulosis virus control of codling moth in Nelson

C.H. Wearing   pp. 317-321

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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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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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Pastoral Pests

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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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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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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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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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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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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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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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Pacific Park Hotel, Dunedin on 14-16 August 1990.

This volume was edited by A.J. Popay and published by The New Zealand Weed and Pest Control Society Inc.

Please refer to the terms of use.