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Proceedings of the NZ Weed and Pest Control Conference 38 (1985)

Introduction

Presidential address to the 37th Conference 1984

M.S. Moore   pp. 13-14

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Annual report 1984-85

M.J. Hartley   p. 14

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Pasture Pests

Porina control in Waikato dairy pasture

P.D. King, J.S. Meekings and K.C. Phillips   pp. 15-18

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Black beetle control in pasture from lindane treatments against the adult

R.N. Watson and R.S. Marsden   pp. 19-22

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Evaluation of terbufos for grass grub control

N.R. Wrenn, R.A. McGhie and R.P. Pottinger   pp. 23-26

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Differences in susceptibility of grass grub in Taranaki to organophosphate insecticides

A.J. Miln, A. Byett and N.A. Thomson   pp. 27-30

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Population monitoring studies of lucerne aphids and their predators in the Waikato

B.H. Rohitha, R.P. Pottinger and A.C. Firth   pp. 31-34

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An attempt to control Sitona discoideus larvae with systemic insecticides

B.I.P. Barratt   pp. 35-37

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Lolitrem B - a stem weevil toxin isolated from Acremonium-infected ryegrass

R.A. Prestidge and R.T. Gallagher   pp. 38-40

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Ryegrass content, Acremonium endophyte and Argentine stem weevil in pastures in the volcanic plateau

R.A. Prestidge, M.E. di Menna, S. van der Zijpp and D. Badan   pp. 41-44

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New Products and Techniques

Bioassay of some novel insectides against light brown apply moth larvae

D.M. Suckling, L. Kuijpers and D.J. Rogers   pp. 45-49

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The efficacy of chlorpyrifos impregnated polyethelene film in controlling leafroller

T.A. Batchelor, R.L. O'Donnell, J.J. Roby and E. Grant-Mackie   pp. 50-52

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The efficacy of controlled atmosphere coolstorage in controlling leafroller species

T.A. Batchelor, R.L. O'Donnell and J.J. Roby   pp. 53-55

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Interaction of hexazinone with two soils and three fertilisers

J.A. Zabkiewicz and R.E. Gaskin   pp. 56-60

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Residual activity of some newly developed post-emergence herbicides for grass weeds

A. Rahman, T.K. James and J. Mortimer   pp. 61-65

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Grass control with herbicide pelleted white clover seed

G.J. Rys and H.T. Phung   pp. 66-69

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Some aspects of the effect of the growth regulator WL 83801 on the physiology of Lolium perenne

M.H. Foreman   pp. 70-72

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The imidazolinone herbicides

R. Paxman, A.M. Annand, S.C. Lee, P.L. Orwick and T.R. Peoples   pp. 73-77

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Scrub Weeds

Control of barberry by 'spot-gun' application method

F.A. Meeklah and R.B. Mitchell   pp. 78-80

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Control of matagouri with picloram in mixture with 2, 4, 5-T or triclopyr

E.A. Upritchard, P.R. Downard and G.R. Rutherford   pp. 81-84

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Activity of two different formulations of 2,4,5-T/picloram on gorse and radiata pine

D.S. Preest and N. Davenhill   pp. 85-88

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Effect of annual low rates of 2,4,5-T on small gorse bushes

A.I. Popay, D.K. Edmonds and M.J. Hartley   pp. 89-91

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Effect of herbicides on gorse in a dry year

J.M. Balneaves   pp. 92-93

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'Non hormone' herbicides for gorse control

A.I. Popay, M.P. Rolston and D.K. Edmonds   pp. 94-97

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Effect of added surfactant on the performance of scrubweed herbicides

J.M. Balneaves   pp. 98-101

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Effects on metsulfuron-methyl on pasture

A.I. Popay, M.J. Cornwell and A. Rahman   pp. 102-105

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Pasture Weeds

The influence of clopyralid and glyphosate on yarrow rhizome regeneration

R.J. Field and C.S. Jayaweera   pp. 106-109

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Paraquat at low water rates for sward suppression during oversowing into umimproved pastures.

M.J. MacFarlane   pp. 110-114

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Pasture production lost to unsprayed thistles at two sites

D. Kelly and A.I. Popay   pp. 115-118

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Effect of daisy removal on pasture production

F.A. Meeklah and R.B. Mitchell   pp. 119-121

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Population studies on ragwort

A. Thompson   pp. 122-126

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Vegetable Crops

Insecticide control of grass grub larvae in swedes

R. van Toor and K.M. Stewart   pp. 127-130

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Broccoli plant losses in Canterbury

D.A. Hutchison, A.M. Ferguson and A.F. McErlich   pp. 131-134

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Control of weeds in squash

A. Rahman, T.K. James and J. Mortimer   pp. 135-138

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Re-evaluation of three pre-emergence herbicides for buttercup squash at Pukekohe

J.J.C. Scheffer and R.J. Wood   pp. 139-141

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Weed control and use of herbicides in garlic

A. Rahman, T.K. James and J. Mortimer   pp. 142-145

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Duration of weed interference and yield of processable green beans

R.J. Field and S. Nkumbula   pp. 146-149

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Effect of soil management practices on yield of asparagus - interim results

T.I. Cox and A. Ingle   pp. 150-153

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Biological Control

Effect of an introduced beetle on St John's wort

P. Syrett and N.G. Hancox   pp. 154-157

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Control of black vine weevil in strawberries with the nematode Steinernema glaseri

T.A. Jackson, J.F. Pearson and T.H. Barrow   pp. 158-161

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Trials with Bacillus thuringiensis on kiwifruit in 1982-84

P.R. Sale, D. Sawden and D. Steven   pp. 162-164

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Ornamentals

Spider mite control practices in greenhouse flower crops

R.B. Chapman and D.R. Penman   pp. 165-168

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Pest control in boxes of Cymbidium orchid flowers with dichlorvos-impregnated plastic

N.A. Martin and P. Workman   pp. 169-171

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The use of soil-residual herbicides on recently planted leucadendrom ""Safari Sunset""

A. Ingle, W. Borst and D.J. Dennis   pp. 172-175

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Cereals

Seed treatment for control of net blotch of barley

J.E. Sheridan and N. Grbavac   pp. 176-179

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Seed treatments and foliar sprays for control of scald of barley

J.E. Sheridan, M.H. Sheridan and J.D. Eden   pp. 180-183

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Observations on the phenology of rose-grain aphids in mid-Canterbury

M.W. Stufkens and J.A. Farrell   pp. 184-187

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Yield responses in cereals treated with pirimicarb for rose-grain aphid control

M.W. Stufkens and J.A. Farrell   pp. 188-190

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Grass weed control in maize with tridiphane herbicide

P.J. Dryden and M.J. Watson   pp. 191-194

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Fruit Crops

Fosetyl-Al sprays on phylloxera damaged grape vines

P.D. King, D.R. Lauren, J.S. Meekings, K.C. Phillips and M.P. Agnew   pp. 195-198

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Protection of pruning wounds; favoured oviposition sites for the lemon tree borer

J.R. Clearwater and S.J. Muggleston   pp. 199-202

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Insect control trials on persimmons

D. Steven and P.R. Sale   pp. 203-206

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Weed control in peach seedlings

M.J. Hartley and D.L. Loader   pp. 207-210

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Reduced pruning of female kiwifruit vines following daminozide application at petal fall

A.M. Cliffe and M.S. Venning   pp. 211-215

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First season fruit effects following daminozide applications to kiwifruit

M.S. Venning and A.M. Cliffe   pp. 216-218

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Screening pesticides for control of greedy scale on kiwifruit leaves

R.H. Blank, M.H. Olson and J.E. Waller   pp. 219-222

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Soil-applied lindane to protect kiwifruit from grass grub beetle attack

R.H. Blank, M.H. Olson and D.S. Bell   pp. 223-227

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Berry Fruit

Control of grass grub beetles in blueberries with pyrethroid insecticides

R. East and B.E. Willoughby   pp. 228-231

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A preliminary investigation of highbush blueberry pest and disease control

A.R. Tomkins and M.S. Koller   pp. 232-235

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Disease control in some strawberry cultivars

P.T. Holland, M.S. Koller and B.W. Dow   pp. 236-240

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Long-term use of residual herbicides for controlling weeds in blueberries on peat

T.K. James, A. Rahman and J.Mortimer   pp. 241-243

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Weed control in newly planted raspberries

M.J. Hartley and D.L. Loader   pp. 244-247

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Hotel Rotorua, Rotorua on 13-15 August 1985.

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

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