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Proceedings of the NZ Weed and Pest Control Conference 32 (1979)

Introduction

Obituaries - Alan Dingwall and Alan Lowe

  p. 16

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Presidential address to the 31st Conference 1978

E.A. Upritchard   p. 17

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Opening address to the 31st Conference 1978

D.A. Watkins   pp. 18-19

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Annual report 1978-79

M.J. Hartley   p. 20

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Pasture Weeds

Age, size and fate of nodding thistles

A.I. Popay, R.B. Mitchell, A. Thompson   pp. 21-26

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Helicopter spraying of nodding thistle with two rates of water

A. Thompson   pp. 27-30

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Control of meadow barley grass in pasture by the use of herbicides

A.I. Popay, P. Sanders and D.K. Edmonds   pp. 31-33

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Onehunga weed control with bentazone

M.M. Spencer   pp. 34-35

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Minimum Tillage

Renovation techniques for Australian soldier fly infested pastures: a comparison of treatments

R.H. Davidson, N.R. Wrenn and L.N. Robertson   pp. 36-39

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Initial studies into direct-drilling of lucerne in Marlborough

R.I.K Hart and d.J.I. Jacobson   pp. 40-43

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Weed control in high density direct drilled forage maize

M.J. Byford, A.E. Stratton and M.L. Yortt   pp. 44-48

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Rhizomatous Weeds

Seasonality of growth and development in yarrow

G.W. Bourdot, J.G.H. White and R.J. Field   pp. 49-54

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Control of couch

F.A. Meeklah and R.B. Mitchell   pp. 55-57

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Control of browntop in lucerne on pumice soils

T.K. James and G.C. Atkinson   pp. 58-61

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Pasture Pests

Adult periodicity of porina in the marlborough Sounds

R.A. French   pp. 62-64

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Insecticides for control of sod webworm

G.D.G. du Toit, R.J Townsend and S.J. Rowe.   pp. 65-67

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Evaluation of alternative insecticides for lucerne flea on pasture

R.J. Townsend, R.P. Pottinger and S.J. Rowe   pp. 68-71

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Effect of temperature and soil moisture on Australian soldier fly eggs

P.J. Gerard   pp. 72-75

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Predation on Australian soldier fly by pasture wireworm

L.N. Robertson and R.P. Pottinger   pp. 76-79

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Biology of manuka beetle in Taranaki

N.A. Thomson, A.J. Miln and W.M. Kain   pp. 80-85

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Evaluation of grass grub-plant interactions of grasses sown with and without white clover in Hawkes Bay

W.M. Kain, M. Slay and d.S. Atkinson   pp. 86-91

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Relationship between pathogens and insecticide in grass grub

Alison Miln and Alan Carpenter   pp. 92-95

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Insecticides for control of adult grass grub II. Further tests with synthetic pyrethroid formulations

R.F. Henzell, D.R. Lauren and G.D.G. du Toit   pp. 96-100

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Alternative formulations for synthetic pyrethroids for the control of adult grass grub

D.R. Lauren, R.F. Henzell, N.B. Smith and D.P.F. Graham   pp. 101-106

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Timing of cypermethrin applications against grass grub adults

R. East, R.F. Henzell and D.R. Lauren   pp. 107-111

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Insecticides for control of adult grass grub III. Preliminary tests with soil insecticide

G.D.G. du Toit, D.R. Lauren and R.F. Henzell   pp. 112-115

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Visual estimates from false colour infra-red photography of the area of grass grub damaged pasture. 

J.F. Pearson   pp. 116-118

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Crop Weeds

Evaluation of herbicides for broad beans

M.R. Stevenson   pp. 119-122

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Weed control and crop tolerance in cucurbits

G.J. Wilson   pp. 123-127

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Weed control in yams

A. Ingle   pp. 128-130

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Fathen control in lupins in Canterbury

R.T. Alexander, J.H.B. Butler   pp. 131-134

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Weed control in soya beans under different soil and climatic conditions

A. Rahman, B. Burney and E.N. Honore   pp. 135-138

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The use of 3,6-dichloropicolinic acid mixtures for broadleaf weed control in cereal crops

G.R. Rutherford and P.G. Lobb   pp. 139-143

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A wild oat survey in Ashburton County

D.J. Saville, F.C. Allen and P.R. Hockey   pp. 144-148

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Survey to locate wild oat free areas in mid Canterbury

F.C. Allen and J.H.B. Butler   pp. 149-152

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Hoe 23408 for control of wild oats in peas and linseed

Warren McLaughlan   pp. 153-157

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Difenzoquat for control of wild oats in peas

R.I.K. Hart   pp. 158-161

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Crop Diseases

Control of halo blight of beans

M.T. Malone   pp. 162-164

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Clubroot control in cauliflower and brussels sprouts with benzimidazole transplanting drenches and soil pH manipulations

K.G. Tate   pp. 165-170

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Lucerne Pests

Pest assessment studies of blue-green lucerne and pea aphids in the southern North Island of New Zealand

W.M. Kain, D.S. Atkinson, M.J. Oliver and W. Stiefel   pp. 171-179

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Seasonality of blue-green lucerne and pea aphids in southern North Island of New Zealand

W.M. Kain, D.S. Atkinson and M.J. Oliver   pp. 180-185

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Control of blue-green lucerne aphids by grazing management

D.R. Penman, B.H. Rohitha, J.G.H. White and B.M. Smallfield   pp. 186-191

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Effect of pea aphid on seedlings of lucerne cultivars in New Zealand

M.W. Dunbier, N.J. Timms and R.G. Purves   pp. 192-194

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The effect of stem nematode infestation on productivity persistence of lucerne cultivars

M.W. Dunbier, T.P. Palmer, T.J. Ellis and P.A. Burnett   pp. 195-198

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A glasshouse screening technique for resistance to stem nematode in lucerne

P.A. Burnett, M.W. Dunbier and Julie A. Hiatt   pp. 199-201

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Techniques

A review of novel techniques in herbicide use

M.P. Rolston   pp. 202-206

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A tractor mounted multi-boom system for spray application to small plot trials

E.G.R. Wallace   pp. 207-210

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Development and use of a herbicide spot-gun applicator

J.F. Porter   pp. 211-214

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Use of dyes to assess spray coverage of gorse

J.M. Balneaves, R.E. Gaskin and J.A. Zabkeiwicz   pp. 215-219

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A laboratory technique to evaluate pesticides for control of greedy scale of kiwifruit

A.M. Ferguson and A.R. Wallace   pp. 220-224

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Plough and core assessment of black beetle insecticide trials

R.H. Blank, N.R. Cox, M.H. Olson and D.S. Bell   pp. 225-229

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Orchards

Weed control in New Zealand orchards

R.L. Taylor   pp. 230-233

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Chemical control of woolly apple aphids in Canterbury

D.R. Penman and R.B. Chapman   pp. 234-239

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Toxicity of synthetic pyrethroid insecticides to phytophagous orchard mites

R.B. Chapman and D.R. Penman   pp. 240-244

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Cost Benefit of Weed and Pest Control

Cost benefit of Californian thistle control in pasture

M.J. Hartley and T.K. James   pp. 245-249

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The economics of Australian soldier fly control

J.M.W. Ritchie, L.N. Robertson and R.P. Pottinger   pp. 250-254

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New Products

Etrimfos - a safe new insecticide

A.M. Cliffe   pp. 255-258

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Permethrin for the control of Lepidoptera insect pests in New Zealand

I.F. Jackson and D.P. Graham   pp. 259-266

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Control of seed-borne and foliar diseases of barley with new systemic fungicides triadimenol and triadimefon.

M.S. Moore, R.C. Close and R. Lai   pp. 267-271

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New sytemic fungicides for the control of seed-borne and foliar diseases

M.S. Moore   pp. 272-277

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Procymidone evaluation of the control of Sclerotinia spp and Botrytis spp

I.F. Jackson and B.N. Smith   pp. 278-283

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Scrub Weeds

Herbicides for soil conservation tree nurseries

A.N. Gilchrist   pp. 284-288

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Preliminary studies on the control of red cestrum

G.C. Atkinson and T.K. James   pp. 289-291

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Controlling scrub weeds with goats

G.J. Batten   pp. 292-296

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Effect of pasture species and grazing on survival of seedling gorse

M.J. Hartley and Phung Hong Thai   pp. 297-302

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Effect of sprays on gorse regrowth at different growth stages

G.W. Ivens   pp. 303-306

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Control of gorse by Anisoplaca ptyoptera

J.H.B. Butler   pp. 307-308

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Studies on the uptake and translocation of 2,4,5-T and picloram in young gorse plants

R.J. Field and Phung Hong Thai   pp. 309-313

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Uptake and translocation of 2,4,5-T ester by gorse

J.A. Zabkiewicz and R.E. Gaskin   pp. 314-318

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Evaluation of herbicide activity after root uptake by gorse and radiata pine seedlings grown hydroponically

J.A. Zabkiewicz   pp. 319-323

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Southern Cross Hotel, Dunedin on 7-9 August 1979.

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.