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Proceedings of the NZ Weed and Pest Control Conference 33 (1980)

Introduction

Presidential address to the 32nd Conference 1979

E.A. Upritchard   p. 15

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Annual report 1979-80

  p. 16

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Application and Techniques

Comparison of CDA and conventional spray booms for application of pesticides to pasture

D.R. Lauren, N.R. Wrenn, G.D.G. du Toit, R.F. Henzell and H.J. Taylor   pp. 17-22

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Tests with CDA technique and various foliage-applied herbicides

T.I. Cox   pp. 23-25

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A procedure for the rapid assessment of aerial spray deposition patterns

W.J. Rae   pp. 26-29

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Pasture and Forage Crop Pests

Porina moth flight activity in the southern North Island

Alan Carpenter and T.K. Wyeth   pp. 30-32

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Renovation of Australian soldier fly damaged pasture in Northland

L.N. Robertson, R.H. Blank, R.H. Davison and A.C. Firth   pp. 33-36

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Black field crickets consume oversown pasture seed

R.H. Blank, D.S. Bell and H.M. Morgan   pp. 37-40

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Screening baits for use against black field crickets

R.H. Blank, D.S. Bell and M.H. Olson   pp. 41-45

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The effect of Argentine stem weevil on pasture composition in Canterbury

S.L. Goldson and T.E.T. Trought   pp. 46-48

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Effect of simulated insect damage to white clover seedlings

B.I.P. Barratt   pp. 49-51

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Comparative toxicity of insecticides to lucerne aphids and their predators

P. Syrett and D.R. Penman   pp. 52-54

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Pasture and Forage Crop Weeds

Effect of winter application of phenoxy herbicides on white clover and pasture production.

E.N. Honore, A. Rahman and C.B. Dyson   pp. 55-58

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Ragwort population and control studies

A. Thompson   pp. 59-62

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Rush and Australian sedge control with glyphosate

R.W. Moore, M.L. Yortt and G.C. Atkinson   pp. 63-66

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Mefluidide: a plant growth regulator

I.F. Jackson, B.P. O'Connor and D.J.I. Jacobson   pp. 67-73

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The effect of mefluidide of the growth of perennial ryegrass

Roger J. Field and A.R. Whitford   pp. 74-78

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The tolerance of established 'Grasslands maku' lotus to four herbicides

J.L. Brock and J.D. Henderson   pp. 79-82

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Kiwifruit

Herbicides for kiwifruit

T.I. Cox   pp. 83-87

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Kiwifruit seedling tolerance to herbicides

G.J. Wilson   pp. 88-91

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Major causes of imperfections in the Bay of Plenty kiwifruit crop

A.M. Ferguson   pp. 92-95

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Are there critical periods of caterpillar damage to Bay of Plenty kiwifruit?

A.M. Ferguson   pp. 96-99

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Supervised spraying of lepidopterous pests of kiwifruit in Bay of Plenty

C.H. Wearing, M. York and P. O'Kane   pp. 100-104

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Citrus and kiwifruit insect pest control with pirimiphos-methyl and permethrin

B.N. Smith and D.P.F. Graham   pp. 105-109

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Pesticide Residues

The history of pest and disease control in kiwifruit

P.R. Sale   pp. 110-113

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Pesticides: Residues and regulations

B.B. Watts and P.T. Holland   pp. 114-118

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Fruit Crops

Tolerance of immature grapevines to herbicides

A. Rahman and B. Burney   pp. 119-121

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Control of weeds in blueberries

T.K. James   pp. 122-124

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Methiocarb as a bird repellant in blueberries

P.T. Holland, D.W. McFarlane and P.M. Bates   pp. 125-128

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Control of the currant clearwing

R.T. Baker   pp. 129-132

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Preliminary trials on the control of lemon tree borer with nematodes

J.R. Clearwater and W.M. Wouts   pp. 133-135

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An association between blast and European red mite on apricot fruit

J.M. Young and G.F. McLaren   pp. 136-139

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Imazalil a new systemic fungicide for citrus post harvest disease control

J.A. Geelen   pp. 140-143

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Pasture Scarabs

Farm surveying of black beetle populations in spring as an indicator of larval populations in summer

R.N. Watson, R.S. Marsden and R.J. Townsend   pp. 144-147

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An evaluation of pitfall trapping as a method of estimating black beetle populations in spring

P.D. King, J.S. Meekings and S.M. Smith   pp. 148-150

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An evaluation of the solid stream technique of insecticide application for control of black beetle in pasture

R.N. Watson and N.R. Wrenn   pp. 151-154

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Chemical control of Tasmanian grass grub in Northern North Island

R. East, B.E. Willoughby, N.A. Haigh and N.R. Wrenn   pp. 155-157

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Insecticides for control of the red-headed pasture cockchafer in Canterbury

M.A. Stufkens and J.A. Farrell   pp. 158-160

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Scrub Weeds and Forestry

Survival of gorse seedlings in grazed, ungrazed and mown pasture

M.J. Hartley, D.K. Edmonds, Phung Hong Thai, A.I. Popay and P. Sanders   pp. 161-164

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Seasonal variation in seedling gorse susceptibility to four herbicides

David Preest   pp. 165-169

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A programme for gorse control in forestry using the double kill-spray regime

John M. Balneaves   pp. 170-173

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Control of woolly nightshade by ring barking

E.C.S. Little   pp. 174-176

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Blackberry control with glyphosate

M.L. Yortt and G.C. Atkinson   pp. 177-180

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Growth responses and stability of radiata pine to chemical weed control and ripping in pumice pasture-land

G.J. Brunsden   pp. 181-185

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Crops

Protection of tomatoes form herbicide injury by plug-mix planting

D.J. Swain   pp. 186-189

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Evaluation of three herbicides for crop tolerance and summer grass control in onions

J.J.C. Scheffer   pp. 190-192

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Tolerance of field beans to herbicides

J.H.B. Butler, F.C. Allen and A.J. Lister   pp. 193-197

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Epidemiology and control of light leaf spot on cauliflowers

L.H. Cheah, W.F.T. Hartill and J.B. Corgin   pp. 198-202

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Control of onion white rot with iprodione

Richard J. Wood   pp. 203-205

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Post-emergent control of black beetle adults in field crops

R.N. Watson, R.S. Marsden and R.J. Townsend   pp. 206-210

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A preliminary examination of pests in fodder beet in Canterbury

J.F. Pearson and S.L. Goldson   pp. 211-214

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The effect of defoliation on yield of brussels sprouts

T.A. Jackson and R.R. Scott   pp. 215-217

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Protection of stored potatoes against tuber moth

G.D.G. du Toit and S.J. Rowe   pp. 218-220

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Factors influencing the palatability of baits to greasy cutworm larvae

N.A. Martin   pp. 221-224

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The effect of commonly used biocides on slugs

J. van der Gulick and J.A. Springett   pp. 225-229

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Cereals and Maize

The identification of oats growing wild in New Zealand

E. Edgar   pp. 230-236

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Comparison of some post-emergent chemicals for wild oat control in cereals

F.C. Allen and J.H.B. Butler   pp. 237-240

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Comparison of some wild oat herbicides for use in barley

J.H.B. Butler, F.C. Allen and A.J. Lister   pp. 241-244

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Weed control in maize on high organic matter soils

A. Rahman, B. Burney and E.N. Honore   pp. 245-248

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The effect of Australian soldier fly on direct drilled forage maize

L.N. Robertson, R.H. Davison and A.C. Firth   pp. 249-253

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Diseases and pests of cereals in the Wairarapa - a six year study

M.G. Cromey, N. Grbavac and J.E. Sheridan   pp. 254-257

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Willow Park Motor Hotel, Tauranga on 12-14 August 1980.

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

Please refer to the terms of use.