Vol. 43 (1990)

Proceedings of the New Zealand Weed and Pest Control Conference - Volume 43

DOI: https://doi.org/10.30843/nzpp.1990.43

Published: 1990-01-08

Presidential address to the 42nd Annual Conference

M.J. Hartley

15-16
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Annual report 1989-90

A.J. Popay

16-16
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Pheromone trapping and field scouting for tomato fruitworm in tomatoes and sweet corn

G.P. Walker, P.J. Cameron

17-20
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Comparison of lepidopteran pest populations and their parasitoids in three vegetable brassicas

N.G. Beck, P.J. Cameron

21-25
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Developing an action threshold for lepidopterous pests of cabbage

N.G. Beck, P.J. Cameron

26-30
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Insecticide resistance in diamondback moth in New Zealand

P.D. Bell, P.G. Fenemore

31-34
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Activity of RH7988 against aphids and their natural enemies

T.J.B. Herman, R.B. Chapman

35-38
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Effects of powdery mildew on vining and seed yields of grade peas

R.E. Falloon, R.E. Scott

39-42
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Tolerance of several flower species to herbicides

T.I. Cox, R.M. Kerr, A. Ingles

43-47
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Herbicides for the control of Mercer grass (Paspalum distichum) in asparagus

A. Rahman, P. Sanders

48-51
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Chemical control of Jersey cudweed (Gnaphalium luteo-album) in asparagus

P. Sanders, A. Rahman

52-55
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Assessment of herbicide residues in fields of established asparagus

A. Rahman, P. Sanders

56-59
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Insecticidal soaps for post harvest control in thrips in asparagus

J.B. Waller

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, B. Willoughby

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, M.L. Garnham

67-69
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The use of entomogenous nematodes for the control of black vine weevil in cyclamen

M. Garnham, H. McNab

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, L. Tilbury

73-76
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Control of Jersey cudweed (Gnaphalium luteo-album) in asparagus

G.B. Follas

77-78
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Control of meadow spittlebug (Philaenus spumarius L.)

P.A.J. Jones, B.I.P. Barratt

79-81
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Growth responses of stonefruit to twice yearly applications of residual herbicides

R.B. Mitchell, R.J. Abernethy

82-86
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Herbicide tolerance of young cherry trees

M.J. Hartley

87-89
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Induction of lateral branching in young cherry trees

M.J. Hartley, A.J. Hodson

90-94
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The behaviour and reproductive response of European red mite to fluvalinate

J.M. Holland, R.B. Chapman

95-99
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Insecticides for adult garden weevil and problems with control on glasshouse grapes

P.L. Lo, R.H. Blank, R.E. Parker

100-103
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A comparison of the winter soil surface fauna in organically managed and conventionally managed areas

K.M. Kelly, R.R. Scott

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, R.E. Gaunt

109-113
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Development of a decision aid for pest and disease management in fruit crops

D.W. Manktelow, M. Laurenson

114-116
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Rubidium marking in New Zealand flower thrips for dispersal studies

E.C. Ellis, R.B. Chapman, D.R. Penman

117-118
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Pear slug and apple leaf curling midge: observations on their biology and control in an organic orchard

C.W. van_Epenhuijsen, A. Carpenter

119-122
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Control of powdery mildew (Sphaerotheca mors-uvae) on gooseberries with penconazole

G.B. Follas

123-124
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Weed seed occurrence in ryegrass seedlots

J.S. Rowarth, M.P. Rolston, A.A. Johnson

125-129
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White clover control in 'Grassland Maku' lotus (Lotus pendunculatus) seed crops

M.D. Hare, M.P. Rolston

130-133
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Herbicide tolerance of established tall fescue and phalaris seed crops

M.P. Rolston, W.J. Archie

134-137
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Weed control in organic arable crops

W. Stiefel, A.I. Popay

138-141
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Soil activity and persistence eof the sulfonylurea herbicide primisulfuron

A. Rahman, T.K. James, T.M. Patterson

142-145
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Soil mobility and moisture studies with some grass herbicides

T.K. James, A. Rahman

146-149
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Differential response of wheat cultivars to chlorsulfuron

F. Dastgheib, R.J. Field

150-153
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Trends in stripe rust resistance in New Zealand wheat cultivars

M.G. Cromey

154-158
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Yield loss: disease relationships in barley crops with different yield potentials

H.G. Whelan, R.E. Gaunt

159-162
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A cost-benefit analysis of biological control of rose-grain aphid in New Zealand

T.P. Grundy

163-165
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Emergence of gorse seedlings from a root-raked area

A.I. Popay

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, H.T. Phung

170-173
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The effects of silwet L77 on triclopyr absorption

R.D. Buick, R.J. Field, A.B. Robson

174-177
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The toxicity of herbicides to the gorse spider mite Tetranychus lintearius

G.G. Searle, D.R. Penman, R.B. Chapman

178-181
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Chemical control of wilding conifer seedlings

E.R. Crozier

182-186
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Control of Terminal Crook disease in radiata pine seedlings

A.L. Vanner

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, N.C. Schroeder

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, P.E.C. Read

195-196
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Fluvalinate as a repellent to the gorse spider mite Tetranychus lintearius

D.R. Penman, G.G. Searle

197-199
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Genetic engineering of plants for weed, disease and pest control: science versus politics?

A.J. Conner, H.J. Bezar, J.W. Ashby

200-208
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Natural enemies for inundative and seasonal inoculative release: policy issues

N.A. Martin, C.H. Wearing

209-211
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Seed predation in nodding and slender winged thistles by nodding thistle receptacle weevil

D. Kelly, K. McCallum, C.J. Schmidt, P.M. Scanlan

212-215
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Pre and post-dispersal predation of nodding thistle seeds by birds and rodents

K. McCallum, D. Kelly

216-219
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Influence of grazing and phenoxy herbicides on nodding thistle

P. Sanders

220-224
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Interactions between establishing nodding thistle and pasture seedlings

K.S. Nicholson, A. Rahman, D.A. Wardle

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, D.J. Saville

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, G.A. Hurrell

233-236
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Daisy control and pasture tolerance

R.B. Mitchell, R.J. Abernethy

237-239
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Influence of temperature on toxicity of diazinon to greedy scale

R.H. Blank, M.H. Olson

240-242
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The toxicity of methidathion against armoured scale pests in kiwifruit

R.H. Blank, M.H. Olson

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

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, D.J. Allan

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, R.C. Henderson

256-257
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Calculating the economics of weed control

G.W. Bourtdot, D.J. Saville

258-261
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Weed trials using a rotary weed wiper

P. Martin, D.K. Fullerton, T.K. James

262-265
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An ecological basis for estimating probabilities of colonization for weed seeds contaminating imported plant products

F.D. Panetta

266-269
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The effect of solarisation on vegetable crop production

R.T. Alexander

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, G.K. Barrell

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, D.R. Penman

278-281
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Modelling impact of biological control agents

N.D. Barlow, S.L. Goldson

282-283
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Computer models for studying the development and management of pesticide resistance

D.M. Leathwick, N.D. Barlow

284-286
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OPIL, a computer expert knowledge base for organic farming

P. Fisher

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, L.N. Robertson

289-291
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Are organic foods safe?

W.F.T. Hartill

292-295
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Pyrethroid insecticides for apple pest control: I. Development of pyrethroid resistant predatory mites

N.P. Markwick, C.H. Wearing, P.W. Shaw

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, V. White

301-305
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Reducing insecticide use in pipfruit: nelson demonstration trials

D.M. Suckling, J.T.S. Walker, P.W. Shaw

306-310
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Preliminary trials on mating disruption of lightbrown apple moth in Nelson

D.M. Suckling, P.W. Shaw

311-316
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Granulosis virus control of codling moth in Nelson

C.H. Wearing

317-321
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Monitoring lepidopterous pests at two canterbury orchards

D.M. Suckling, W.P. Thomas, G.M. Burnip, A. Robson

322-327
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Time-mortality response of leafrollers exposed to commercial controlled atmosphere coolstorage

B.C. Waddell, P.R. Dentener, T.A. Batchelor

328-333
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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, J.A. Farrell

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, J.R. Proffitt

339-342
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Residual effects of controlled release chlorpyrifos against grass grub larvae

A. Cliffe, G. Kerse, C. Canty, R. Wrenn, G. Barker

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

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, W.A. Laing

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, K.J. Froud

356-358
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Pasteuria penetrans as a potential control agent for root knot nematode

R.N. Watson, L.J. Perry, E.A. Wilson

359-360
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