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Proceedings of the NZ Weed and Pest Control Conference 30 (1977)

Introduction

Annual report

M.J. Hartley   p. xv

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Editorial report

M.J. Hartley   p. xvi

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Crop Weeds

Weeds in spring seed beds

T.I. Cox   pp. 1-7

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Some effects of common herbicides on wheat cultivars

W.J.P. Mitchel and A.I. Popay   pp. 8-11

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Weed control in soya beans in lower northland

G.J. Piggot and E.N. Honore   pp. 12-14

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Hoe 23408 - A new herbicide for control of wild oats and summer germinating grasses

A.B. McDowell   pp. 15-18

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Atrazine residues in the Gisborne plains and Waikato regions

A. Rahman and N.S. Brown   pp. 19-24

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Pasture Weeds

The use of grasses and legumes for weed control in pastures

W. Harris, J.D. Henderson and Y.S. Gray   pp. 25-30

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Weed control in legumes

J.D. Henderson   pp. 31-33

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Herbicides for the spot treatment of ragwort in pasture

A. Thompson   pp. 34-37

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Control of winged and slender winged thistles

R.L. Taylor   pp. 38-41

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Control of musky storksbill in pasture

T.K. James and M.J. Hartley   pp. 42-45

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Crop Pests

Cultural control of white-fringed weevil

R. East and J. Parr   pp. 46-49

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Chemical control of white-fringed weevil

R. East and J. Parr   pp. 50-55

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Host resistance to the potato cyst nemotode

J.G.C. Spiers   pp. 56-60

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Scrub Weeds

Susceptibility of seedling gorse to herbicides

G.W. Ivens   pp. 61-65

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Properties and activity of triclopyr on some New Zealand brushweeds

B.N. MacDiarmid   pp. 66-70

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Blackberry control with triclopyr

D.G. Saunders and B.N. MacDiarmid   pp. 71-75

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New herbicides for blackberry control

A. Thompson   pp. 76-79

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Fruit Crops

Comparison of insecticides for control of Kiwi-fruit pests

A.M. Cliffe   pp. 80-82

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Resistance to streptomycin by bacterial pathogens of stone-fruit

J.M. Young   pp. 83-85

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Vegetable Crops

Weed control in direct drilled green sprouting broccoli

P.B. Bull   pp. 86-90

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Epidemiology and control of ringspot in cabbages and cauliflowers

W.F.T. Hartill   pp. 91-95

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Evaluation of benzimidazoles for clubroot control in transplanted cabbages

K.G. Tate   pp. 96-100

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New herbicides for carrots

T.I. Cox   pp. 101-105

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Evaluation of herbicides for direct-seeded tomatoes

M.R. Stevenson   pp. 106-112

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Weed control in direct-drilled lettuce

G.J. Wilson   pp. 113-118

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Control of wireweed and rayless chamomile in onions

G.J. Wilson   pp. 119-123

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Weed control in onions utilising ethofumesate

J.R.F. McLean   pp. 124-129

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Aquatic Weeds

The ecophysiology of lagarosiphon in the Rotorua lakes

J.M.A. Brown and F.I. Dromgoole   pp. 130-134

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Control of lagarosiphon in Lake Wanaka

Helen R. Hughes and F.A. Meeklah   pp. 135-140

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A new approach for selective control of aquatic weeds

J.S. Clayton   pp. 141-144

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The use of grass carp for submerged weed control

C. Mitchell   pp. 145-148

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Blue Green Lucerne Aphid

Population dynamics of blue-green lucerne aphid in the lower North Island

Catherine a. Richardson   pp. 149-151

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Effect of blue-green lucerne aphid on seedling lucerne in a glasshouse

R.B. Wynn-Williams and P.A. Burnett   pp. 152-154

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Performance of lucerne cultivars resistant to blue-green lucerne aphid in New Zealand

M.W. Dunbier, W.M. Kain and K.B. McSweeney   pp. 155-159

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Chemical control of blue-green lucerne aphid in Northern North Island

R.P Pottinger and L.M. Newman   pp. 160-164

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Insecticide screening for blue-green lucerne aphid control

M.S. Moore   pp. 165-167

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Insecticidal control of blue-green lucerne aphid

A.M. Cliffe   pp. 168-169

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Pirimicarb for the control of blue-green lucerne aphid

B.P. O'Connor and R.I.K. Hart   pp. 170-172

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Aphids on lucerne sown with insecticides and cover crops

T.P. Palmer   pp. 173-176

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Blue-green lucerne aphid damage in lucerne crops within Southern North Island

W.M. Kain, D.S. Atkinson, R.W. Marsden, M.J. Oliver and T.V. Holland   pp. 177-181

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Introduction of predators and parasites of blue-green lucerne aphids

W.T. Thomas   pp. 182-187

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Control of blue-green lucerne aphid on white clover seed crops

T.E.T. Trought   pp. 188-191

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Pasture Pests

Effect of stem weevil on grazed perennial ryegrass

W.M. Kain, I.M. Ritchie, G.C. Croughley, R.G. Smith and D.S. Atkinson   pp. 192-197

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The effect of pasture species on the growth of soldier fly larvae

P.J. Gerard and A.M. Parr   pp. 198-201

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Further developments of insecticidal seed treatments for the control of soldier fly

N.R. Wrenn and G.M. Dixon   pp. 202-206

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Residual lives of two synthetic pyrethroid insecticides applied to pasture

D.R. Lauren and R.F. Henzell   pp. 207-210

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Control of adult grass grubs with synthetic pyrethroids

R.F. Henzell and D.R. Lauren   pp. 211-216

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Evaluation of cypermethrin for control of adult grass grub

R.J.P Pottinger, R.East, R.D. Welsh, A.E. Stratton and B.C. Maxwell   pp. 217-221

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Some effects of phorate on earthworms

D.G. Saunders and C.D. Forgie   pp. 222-226

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Forestry

Control of forest weeds with DPX 3674

A. Bowers and J. Porter   pp. 227-232

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DPX 3674 - A broad spectrum herbicide for weed control in forestry

A. Coackley and R.W. Moore   pp. 233-237

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Tolerance of five eucalyptus species to terbuthylazine plus terbumeton.M.L Yortt and G.R. Rowe, p. 238<

R.I. Mulholland   pp. 238-242

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Burma Motor Lodge, Johnsonville on 8-10 August 1977.

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

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