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Proceedings of the NZ Plant Protection Conference 49 (1996)

Introduction

Presidential address to the 48th Conference 1995

A. Rahman   p. xiv

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Secretary's annual report 1995/96

J.A. Zabkiewicz   p. xv

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NZPPS Research Scholarship - Richard McDowell

  p. xv

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Obituary - Frank C. Allen

  p. xvi

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Fruit Crops

Effect of insecticides on immature and mature stages of Encarsia citrina, an armoured scale parasitoid

C. Thomson, A.R. Tomkins and D.J. Wilson   pp. 1-5

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Pest control on kiwifruit with an insecticidal soap

A.R. Tomkins   pp. 6-11

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Evaluation of a mineral oil for pest control on kiwifruit

A.R. Tomkins, A.J. Greaves, D.J. Wilson and C. Thomson   pp. 12-16

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A potential biological control agent for greenhouse thrips

K.J. Froud, P.S. Stevens and D.R. Cowley   pp. 17-20

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Mortality responses of tydeid mite following hot water treatment

V.M. Jones and B.C. Waddell   pp. 21-26

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Control of insect pests in persimmon with spray oils

R.E. Gaskin, B.H. Rohitha and P.T. Holland   pp. 27-31

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An evaluation of sulphur for brown rot control in Central Otago stonefruit

G.F. McLaren, J.A. Fraser and D.G. Lynch   pp. 32-36

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Postharvest rots of avocados: improved chemical control by using different application methods

K.R. Everett and L. Korsten   pp. 37-40

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Pipfruit

Comparison of suction and beating tray sampling for apple pests and their natural enemies

D.M. Suckling, G.M. Burnip, A.R. Gibb, F.J.L. Stavely and S.D. Wratten   pp. 41-47

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Comparison between emergence and egg laying in applecurling midge (Dasyneura mali)

J.T. Smith and R.B. Chapman   pp. 48-51

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Sex pheromone communication in the apple leafcurling midge (Dasyneura Mali)

M.O. Harris, S.P. Foster, K. Agee and S. Dhana   pp. 52-58

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Biological control of woolly apple aphid by Aphelinus mali in an integrated fruit production programme in Nelson

P.W. Shaw and J.T.S. Walker   pp. 59-63

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Response to purified Cry IB protein in lab-wild type crosses of lightbrown apple moth

D.M. Suckling, N.P. Markwick, P.J. Wigley, C. Frater, C.N. Chilcott and J. Maindonald   pp. 64-70

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Hot water treatment of lightbrown apple moth eggs on apples and nectarines

V.M. Jones and B.C. Waddell   pp. 71-74

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Mortality response of codling moth to methyl bromide fumigation and coolstorage

B.C. Waddel and R.J. Petry   pp. 75-80

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Can buprofezin control Froggatt's apple leafhopper, Edwardsiana crataegi?

J.G. Charles   pp. 81-84

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Decision support software as a medium for technology transfer in plant protection

M.R. Laurenson and R.M. Beresford   pp. 85-89

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Infection period forecasting for improved apple black spot management in Hawke's Bay

K.G. Tate, R.M. Beresford, P.N. Wood and D.W.L. Manktelow   pp. 90-95

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Applications of the MARYBLYT computer model for identifying infection risk for fire blight of apple

S.C. Gouk, R.J. Bedford and S.O. Hutchings   pp. 96-100

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Temperatures under glass slides used in monitoring the seasonal release of apple black spot ascospores

W.R. Henshall and R.M. Beresford   pp. 101-105

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Slaked lime, baking soda and mineral oil for blackspot and powdery mildew control in apples

R.M. Beresford, C.H. Wearing, R.R. Marshall, P.W. Shaw, M.J. Spink and P.N. Wood   pp. 106-113

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Environmental Weeds And Pests

Dispersal of seeds under isolated gorse plants and the impact of seed-feeding insects

R.L. Hill, A.H. Gourlay, W.G. Lee and J.B. Wilson   pp. 114-118

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The biological control of Russell lupin in riverbeds with endemic plant pathogens

I.C. Harvey, A.M. Seyb, A.F.J. Warren and H. van den Ende   pp. 119-125

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Genetic comparison of Sclerotinia sclerotiorum isolates from New Zealand and USA

M.P. Noonan, T.R. Glare, I.C. Harvey and D.C. Sands   pp. 126-131

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The effectiveness of a sulfluramid concentrate mixed with canned sardine cat-food for control of wasps

E.B. Spurr, K.W. Drew, P.E.C. Read and G. Elliot   pp. 132-136

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Sub-lethal poisoning of possums with acute pesticides used in bait stations

R.J. Henderson and G.A. Morriss   pp. 137-142

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Sodium monofluoroacetate (1080) bait-shyness in a wild brushtail possum (Trichosurus vulpecula) population

S.C. Ogilvie, M.D. Thomas, H. Fitzgerald and D.R. Morgan   pp. 143-146

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Horticultural Crops

Epidemiology of powdery mildew (Sphaerotheca fuliginea) of squash

L.H. Cheah, B.B.C. Page and J.K. Cox   pp. 147-151

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Evaluation of fenpiclonil as a potato seed tuber treatment for the control of R. solani and H. solani

R.D. Welsh   pp. 152-156

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Evaluation of fungicides for control of Acremonium sp. and Alternaria sp. flower spotting on calla lilies

M. Braithwaite, K.W.L. Knight, D.J. Saville and B.J.R. Alexander   pp. 157-160

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Weed control in young myoga ginger

J.M. Follet, J.A. Douglas and T.K. James   pp. 161-164

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Weed control in Perilla

M.J. Hartley   pp. 165-168

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Weed control in Licorice

M.J. Hartley   pp. 169-172

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Herbicides for Gentians

A. Ingle and G.K. Burge   pp. 173-176

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Pesticide Performance And Activity

Can application technology help to manage pesticide resistance?

J-P. Praat, D. Manktelow, D.M. Suckling and J. Maber   pp. 177-182

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Interaction of organosilicone surfactant concentration and spray application factors in glyphosate efficacy

R. Gaskin, R.J. Murray and J.W. Ray   pp. 183-187

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Determination of the no observable effect level (NOEL) for four commonly used forestry herbicides on tomatoes

J.W. Ray, A.L. Vanner, B. Richardson and G. Coker   pp. 188-191

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Modelling of pesticide residues on fruit II: persimmon

P.T. Holland, C.P. Malcolm, A.D. Mowat, B. H. Rohitha and R.E Gaskin   pp. 192-197

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Persistence of acetolactate synthase inhibiting herbicides in a Canterbury soil

R.W. McDowell, F. Dastgheib and L.M. Condron   pp. 198-201

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Influence of lime on activity and persistence of tribenuron and thifensulfuron in soil

A. Rahman, T.K. James and M.J. Cornwell   pp. 202-206

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Persistence of bromacil in soils with different management histories

P. Sanders, D. Wardle and A. Rahman   pp. 207-211

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Pasture Weeds And Diseases

Potential pathogenicity of pasture plant root-colonising fungi to seedlings of legumes and grasses

N.W. Waipara, M.E. Di Menna, A.L.J. Cole and R.A. Skipp   pp. 212-215

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Soil moisture effects on root rot of white clover caused by Codinaea fertilis

N.W. Waipara, M.E. Di Menna, A.L.J. Cole and R.A. Skipp   pp. 216-219

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A survey of ryegrass mosaic virus and endophyte in Otago and Southland

T.E. Smales, C.M. Ferguson, P.L. Guy and J.A. Shand   pp. 220-224

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Sclerotinia sclerotiorum and mowing independently reduce Californian thistle in a sheep pasture

G.A. Hurrell and G.W. Bourd˘t   pp. 225-228

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Effect of control treatments on the root reserves of Californian thistle (Cirsium arvense)

R.B. Mitchell and L.T. Davis   pp. 229-233

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Pasture Pests And Beneficials

Insect pests associated with white and caucasian clover in a Bay of Plenty dairy pasture

R.N. Watson, F.J. Neville and N.L. Bell   pp. 234-238

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Seedling growth of nine white clover cultivars after invasion by clover nematodes

R.N. Watson, G. Dickie, F.J. Neville and N.L. Bell   pp. 239-243

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Effects of whitefringed weevil larval feeding on ryegrass and white clover in the laboratory

S. Hardwick and R.A. Prestidge   pp. 244-248

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Evaluation of diflubenzuron for porina control in South Otago

C.M. Ferguson, G.W. Kearse and A.A. Evans   pp. 249-252

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Biological control of clover cyst nematode (Heterodera trifolli) with fungi parasitic to nematodes or their eggs

F.S. Hay and L. Bateson   pp. 253-256

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Large scale production of New Zealand strains of Beauveria and Metarhizium

T.L. Nelson, A. Low and T.R. Glare   pp. 257-261

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Predicting Canterbury grass grub outbreaks: the role of temperature

N.D. Barlow, T.A. Jackson and R.J. Townsend   pp. 262-265

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Sitona lepidus Gyllenhal newly established in New Zealand: assessment of distribution in the North Island

G.M. Barker, P.J. Addison, A.C. Firth and B.I.P. Barratt   pp. 266-269

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Phenology of Listronotus bonariensis (Kuschel) (Coleoptera: Curculinonidae) in Otago

C.M. Ferguson, A.A. Evans and B.I.P. Barratt   pp. 270-274

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Pasture and lucerne pests as virus vectors

T.E. Smales, C.M. Ferguson and P.L. Guy   pp. 275-279

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Circadian pattern of oviposition in the parasitoids Microctonus aethiopoides Loan and M. hyperodae Loan (Hymenoptera: Braconidae), in relation to host activity

S.M. Armstrong, B.I.P. Barratt and A.A. Evans   pp. 280-284

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Fecundity of wild and laboratory reared ecotypes of Microctonus hyperodae Loan (Hymenoptera: Braconidae)

C.B. Phillips, G.M. Barker, R.L. Roberts, M.R. McNeill and S.L. Goldson   pp. 285-290

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Arable Crops

Spatial distribution of weed seedbank in maize cropping fields

A. Rahman, T.K. James, N. Grbavac and J. Mellsop   pp. 291-295

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Presence, development, yield effects and control of late season diseases of wheat in Canterbury in 1995/96

M.A. Mace and M.G. Cromey   pp. 296-299

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Economics of herbicide use in cereal crops - influence of spring rainfall

G.W. Bourd˘t, D.J. Saville and G.A. Hurrell   pp. 300-303

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Lambda-cyhalothrin: an insecticide for hemipteran pest control in white clover seed crops

N. Schroeder, D.B. Baird, E.A. Upritchard and A. Simeonidis   pp. 304-308

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The activity and diversity of ground arthropods in an agroforestry system

R.K. Peng and S.L. Sutton   pp. 309-313

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Poster Abstracts

Soil-borne fungi unlikely primary cause of wilt in Boronia megastigma oil crops

R.E. Falloon, P.G. Broadhurst and H.M. Nott   p. 314

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Storage rots of carrot and their control

L.H. Cheah, D.W. Brash and A.P. Marshall   p. 314

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Camellia flower blight (Ciborinia camelliae Kohn) - a new disease of camellia in New Zealand

T.M. Stewart and H. Neilson   p. 315

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Population dynamics on apple blossoms of three biological control agents of fire blight sprayed alone and in combination

Darienne Voyle, Janet Yu and Joel L. Vanneste   p. 315

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Inhibition by Erwinia herbicola Eh252 of bacterial soft rot due to Erwinia on carrot slices in compost

Deirdre A. Cornish and Joel L. Vanneste   p. 316

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Saprophytic suppression of Botrytis cinerea sporulation on kiwifruit leaf tissue

M.A Walter, P.A.G. Elmer, K.S.H. Boyd-Wilson, J. Perry and I. Kohl   p. 316

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Does inoculation of hybrid berry flowers (Rubus spp.) with Botrytis cinerea cause berry rot?

K.S.H. Boyd-Wilson, M. Walter and J. Perry   p. 317

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The activity of hydrolases in liquid cultures of silverleaf (Chondrostereum purpureum)

R. Van Hekezen, E.A. Slade and J.T. Christeller   p. 317

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Plant parasitic nematodes in New Zealand cereals

Karen Knight   p. 318

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The control of aphids in potatoes with pymetrozine

G. Follas   p. 318

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Parameters affecting catch of lightbrown apple moth in pheromone-treated orchards

D.M. Suckling and G. Karg   p. 319

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Behavioural responses of Lepidoptera larvae to endotoxins and a commercial formulation of Bacillus thuringiensis

M.O. Harris, F. Mafileo and S. Dhana   p. 319

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Stimuli influencing host-finding behaviour of apple leafcurling midge (Dasineura mali) females

L.D. Galanihe and M.O. Harris   p. 320

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Stimuli influencing the movement and settling of newly eclosed Epiphyas postvittana larvae

M.O. Harris, R. Bate and S. Dhana   p. 320

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Quality Hotel Rutherford, Nelson on 13-15 August 1996.

This volume was edited by M. O'Callaghan and published by The New Zealand Plant Protection Society Inc.

Please refer to the terms of use.