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Proceedings of the NZ Weed and Pest Control Conference 25 (1972)

Introduction

Opening address

Sir Malcolm Burns   pp. 13-14

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Presidential address

D.D. McPhail   pp. 15-17

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Barley Grass

The attitude of the New Zealand farmer to barley grass: results of a farmer survey

A.C. Wasmuth   pp. 18-22

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Effect of chemical removal of barley grass on lamb growth rates

M.J. Hartley and G.C. Atkinson   pp. 23-28

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Damage caused to lambs by barley grass

G.C. Atkinson and M.J. Hartley   pp. 29-33

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Barley grass control: evaluation of initial and sequential applications of herbicide mixtures

I.C. Logan and R.N. Arnst   pp. 34-40

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The control of barley grass with carbetamide

A.C. Wasmuth and K.B. Miles   pp. 41-45

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Pronamide and carbetamide for barley grass control

M.J. Hartley, F.C. Allen, G.C. Atkinson and F.A. Meeklah   pp. 46-50

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Selective aerial treatment of barley grass

J.R.F. McLean and A.T. Dixon   pp. 51-55

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Effects of pronamide on various pasture grass species

R.N. Paxman and C.D. Forgie   pp. 56-61

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NC 8438 for control of seedling barley grass

M.J. Hartley   pp. 62-65

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Non-Selective Vegetation Control

Control of vegetation on State Highways

J.N. Ford   pp. 66-70

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Chemical control of vegetation on N.Z. railways

D.A. Kennedy   pp. 71-75

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Non-selective vegetation control with karbutilate

P.C. Palmer, A.C. Mackay and B.P. O'Connor   pp. 76-85

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Lucerne

The influence of an early cut on crown development of seedling lucerne

D.J. Musgrave   pp. 86-91

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Cultural weed control in lucerne

C.C. Janson   pp. 92-95

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Effect of defoliation management and ""Tama"" overdrilling on weed yields of irrigated lucerne

J.H. Hoglund   pp. 96-101

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Cultivation and chemicals for weed control in established lucerne

F.A. Meeklah, R.B. Mitchell and H. McRobb   pp. 102-105

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Diseases of lucerne in New Zealand

R.C. Close   pp. 106-109

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The spring blackstem disease of lucerne

N.S. Percival and H.T. Wenham   pp. 110-115

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Biology, incidence and general control of the lucerne stem nematode

F.H. Wood   pp. 116-123

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Fungus Diseases of Cereals

Description and key of wheat diseases in New Zealand

F.R. Sanderson   pp. 124-129

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The problem of fungus disease in cereals

I.D. Blair   pp. 130-136

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Breeding for resistance in cereals to diseases caused by fungi

J.M. McEwan and H.C. Smith   pp. 137-140

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Powdery mildew of cereal crops: a review

B.J. Arnst   pp. 141-145

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Control of eyespot lodging in wheat with systemic fungicides

W.H. Risk and R.C. Close   pp. 146-151

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Loose smut control in wheat

R.I. Mulholland   pp. 152-154

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Effect of carboxin on loose smut of wheat

R.P. Eade   pp. 155-159

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Control of loose smut in barley

W.J. Thompson and R.I. Mulholland   pp. 160-164

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Bunt control in wheat

R.I. Mulholland   pp. 165-168

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Control of powdery mildew in wheat with thiophanate-methyl, biformychlorazin and tridemorph

C.D. Forgie and D.J.B. Thompson   pp. 169-173

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Extra-Sessional

Colour infrared photography, crop vigour and pest and disease detection

C.R. Cockrane   pp. 174-179

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Weedy St. John's worts (Hypericum spp) in New Zealand

A.J. Healy   pp. 180-191

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Weed Control in Cereals

Chemical control of wild oats alone and with broad-leaved weeds in wheat and barley

F.C. Allen and T.J. Smallridge   pp. 192-198

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A comparison of herbicide mixtures in otago/Southland wheat

A. Meeklah, R.B. Mitchell and H. McRobb   pp. 199-202

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The tolerance of winter wheat to tri-allate

L.A. Scherp   pp. 203-206

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The interim evaluation of the herbicides chlortoluron and bromophenoxim for weed control in wheat and barley in the south Island

S. Rae   pp. 207-209

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Clover Seed Crop

The suppression of grass weeds in white clover seed crops with carbetamide

A.C. Wasmuth and K.B. Miles   pp. 210-213

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Grass weed and sheep's sorrel control in white clover seed crops

F.C. Allen, T.J. Smallridge and I. Walker   pp. 214-219

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Clover case-bearers in New Zealand. A review of the problem with special reference to control

R.A. French   pp. 220-225

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Grass Grub

The grass grub problem in the hill country of the central plateau

R.B. Gordon and W.M. Kain   pp. 226-231

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A farmlet study of the effects of grass grub damage in the Takapau district of central Hawkes Bay

W.M. Kain and D.S. Atkinson   pp. 232-238

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Biological control of grass grub by starlings

R. East and R.P. Pottinger   pp. 239-243

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Two year life-cycle in grass grub and its implications on control

K.M. Stewart and S.M.J. Stockdill   pp. 244-247

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The role of olfactory and gustatory stimuli in the feeding behaviour of grass grubs

O.R.W. Sutherland   pp. 248-252

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The grass grub and its environment: laboratory studies

J.A. Wightman   pp. 253-256

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Aerial application of an organophosphate insecticide for the control of grass grub

W.M. Kain and R. Crabtree   pp. 257-262

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Field trials with phenol for grass grub control

R.F. Henzell and W.M. Kain   pp. 263-267

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Review of grass grub control with diazinon

E.A. Upritchard, C.D. Forgie and C.W. Woon   pp. 268-271

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The field testing of insecticides for the control of grass grub

P.C. Palmer and J.C. Tattersfield   pp. 272-276

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Some applications of basic research to the development of grass grub control methods

J.A. Wightman   pp. 277-280

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Carlton Hotel, Christchurch on 15-17 August 1972.

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

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