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Proceedings of the NZ Weed and Pest Control Conference 31 (1978)

Introduction

Annual report 1977-78

M.J. Hartley   p. 15

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Editorial report 1977-78

M.J. Hartley   p. 16

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Cost Benefit of Weed Control

Economics of scrubweed control

B.N. MacDiarmid   pp. 17-20

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Cost benefit of barley grass control

M.J. Hartley and G.C. Atkinson   pp. 21-24

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Crop Weeds

Persistence of some herbicides used for weed control in maize

A. Rahman, B. Burney and B.E. Manson   pp. 25-29

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Selective control of rayless chamomile in onions

G.J. Wilson and J.J.C. Scheffer   pp. 30-33

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Effects of glyphosate on Oxalis latifolia

T.I. Cox   pp. 34-39

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Scrub Weeds and Forestry

A survey of aerial gorse treatment in otago-Southland 1973-75

C.J. Sharpe and E.A. Upritchard   pp. 40-43

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Further herbicide studies on gorse seedling

G.W. Ivens   pp. 44-46

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Effect of fire on gorse seeds

J.A. Zabkiewicz and R.E. Gaskin   pp. 47-52

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Some aspects of seed ecology of gorse

G.W. Ivens   pp. 53-57

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Efficacy and selectivity of hexazinone in radiata pine

J.N. Cameron and K.G. Stokes   pp. 58-65

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Control of blackberry with fosamine

M.J. Cornwell, A. Coakley and R.W. Moore   pp. 66-68

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Burn-timing and bracken vigour

D.S. Preest and Andrea M. Cranswick   pp. 69-73

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Noxious Plants Scheme

A new concept in noxious plant control

D. Macnab   pp. 74-78

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Crop Pests

Potato aphids in the Manawatu

A.J. Miln   pp. 79-84

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Resistance of green beans to aphid-born viruses in New Zealand

M.J. Malone   pp. 85-88

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The effect of tillage techniques on insect pests of seedling maize

Alan Carpenter, W.M. Kain, C.J. Baker and R.E.H. Sims   pp. 89-91

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Effects on whitefringed weevil on maize

R. East and R.N Watson   pp. 92-95

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Argentine stem weevil control in maize

R.N. Watson and N.R. Wrenn   pp. 96-102

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Investigation on the control of black beetle in seedling maize

R.N. Watson, N.R. Wrenn and V.K. Taufa   pp. 103-107

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Vegetable weevil control in cabbages

A.M. Ferguson   pp. 108-112

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New Crops

Establishment of oil seed rape by direct drilling

R.I.K. Hart and D.J.I. Jacobson   pp. 113-116

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Weed control in blueberries

S.H. Staniland, G.C. Atkinson and T.K. James   pp. 117-120

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Herbicide tolerance of sainfoin

T.K. James and G.C. Atkinson   pp. 121-123

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Slugs and Snails

Introduced slugs and snails

N.A. Martin   pp. 124-126

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Control of slug damage in oversown pasture legumes

J.F.L. Charlton   pp. 127-130

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Horticultural Crops

Control of European red mite in apple orchards

R.T. Baker   pp. 131-134

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Insect control on kiwifruit, Part I

A.M. Ferguson and A.E. Stratton   pp. 135-139

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Insect control on kiwifruit, Part II

A.M. Ferguson and A.E. Stratton   pp. 140-146

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Preliminary studies on control of root-knot nematode on kiwifruit with fenamiphos

G.S. Grandison and M.M Spencer   pp. 147-150

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Damage to passionfruit and strawberies caused by the Australian crop mirid

R.T. Baker   pp. 151-153

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Pasture Pests

The importance of application time when synthetic pyrethroids are used to control adult grass grub

D.R. Lauren, R.F. Henzell and M.L. Yortt   pp. 154-159

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Evaluation by topical application of selected insecticides against adult grass grub

G.D.G. du Toit   pp. 160-163

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Control of manuka beetle

N.A. Thomson, G. Rys and A. Carpenter   pp. 164-166

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Residual activity of two insecticides against black beetle

R.N. Watson, P.T. Holland and M.H. Olson   pp. 167-172

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An evaluation of three methods of application of insecticide to pasture for the control of black beetle

R.H. Blank and M.H. Olson   pp. 173-175

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Earthworms in New Zealand Agriculture

N.A. Martin   pp. 176-180

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Application Techniques

Weed-spray trains on N.Z. Railways

D.A. Kennedy   pp. 181-182

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New Products

Iprodione (26019 RP) - A new broad-spectrum fungicide

C. Surman   pp. 183-187

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Amitraz: a new horticultural miticide

L.R. Walbridge and R.P. de Borst   pp. 188-191

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Weeds of Turf and Pasture

Control of Poa annua in fine turf using ethofumesate

J.R.F. McLean   pp. 192-194

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The control of Onehunga weed with bromofenoxim

T.M. Patterson   pp. 195-197

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Control of barley grass by grazing management

M.J. Hartley, G.C. Atkinson, K.H. Bimler, T.K. James and A.I Popay   pp. 198-202

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Residual activity of ethofumesate under different soil and climatic conditions

A. Rahman, B.E. Manson and B. Burney   pp. 203-207

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Integrated Control

Integrated control of apple pests in New Zealand 11. The influence of field application of azinphos-methyl on predation of European red mite by Typhlodromus pyri

J.T.S. Walker and D.R. Penman   pp. 208-213

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Integrated control of apple pests in New Zealand 12. Commercial implementation of integrated control of European red mite in Nelson

C.H. Wearing, E. Collyer, W.P. Thomas and C. Cook   pp. 214-220

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Integrated control of apple pests in New Zealand 13. Selective insect control using diflubenzuron and Bacillus thuringiensis.

C.H. Wearing and W.P. Thomas   pp. 221-228

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Integrated control of apple pests in New Zealand 14. Sex pheromone traps to determine applications of azinphos-methyl for codling moth control

C.H. Wearing and J.G. Charles   pp. 229-235

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Integrated control of apple pests in New Zealand 15. Introduction of two predaceous phytoseiid mites

W.P. Thomas and Linda M. Chapman   pp. 236-243

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Devon Motor Lodge, New Plymouth on 8-10 August 1978.

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

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