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Proceedings of the NZ Weed and Pest Control Conference 35 (1982)

Introduction

Annual report 1981-82

M.J. Hartley   p. 4

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Presidential address to the 34th Conference 1981

G.C. Atkinson   p. 14

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Summary of the opening address to the 34th Conference

D. Kidd, MP for Marlborough   p. 15

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Obituary - D.A. Watkins

  p. 16

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Fruit Crops

Oriental fruit moth in New Zealand

R.T. Baker   pp. 17-21

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Integrated control of apple pests in N.Z. 18 Introduction and establishment of the organo-phosphate resistant predatory mite T. pyri in Waikato

C.H. Wearing and C.A. Proffitt   pp. 22-26

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Grass grub adults defoliate tamarillos in Northland

R.H. Blank and M.H. Olson   pp. 27-31

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Spray programmes for pest and disease control in tamarillos

P.T. Holland, D.W. McFarlane and T.K. McGhie   pp. 32-35

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Mealybug control in grapes

R.W. Prince and P.W. Fisher   pp. 36-38

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Control of black currant leaf spot

W.T. McLaughlan and D. Litchfield   pp. 39-43

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Control of powdery mildew in grapes

R.W. Prince and P.W. Fisher   pp. 44-47

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Control of Botrytis cinerea in grapes

P.W. Fisher and R.W. Prince   pp. 48-52

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Kiwifruit seedling tolerance to soil applied herbicides

G.J. Wilson   pp. 53-57

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Weed control in newly transplanted blueberries

A. Rahman, T.K. James and J. Mortimer   pp. 58-61

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Weed control in black currants

F.A. Meeklah and R.B. Mitchell   pp. 62-66

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Herbicides for establishing grape cuttings

D.J. Swain   pp. 67-69

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Pasture Weeds

Yarrow: rhizome control by cultivation

G.W. Bourdot   pp. 70-74

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Clover defoliation before spraying with 2,4-D and its effect on clover recovery

D.K. Edmonds, P. Sanders and A.I. Popay   pp. 75-78

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Chemical control of perennial nettle

A.I. Popay, D.K. Edmonds and P. Sanders   pp. 79-81

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Pasture Pests

Effects of grass grub density on production of tall fescue, cocksfoot and ryegrass sown with white clover

R. East, M.S. Koller and B.E. Willoughby   pp. 82-85

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The effect of cultivation on disease incidence in grass grub populations

A.J. Miln   pp. 86-89

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The potential of one high rate application of synthetic pyrethroids for control of adult grass grub

M.S. Venning, D.R. Lauren and R.F. Henzell   pp. 90-93

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A comparison of lindane broadcast and drilled spring for grass grub beetle control

D.R. Lauren, R.F. Henzell and N.R. Wrenn   pp. 94-97

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An investigation into the possibility of using lindane for grass grub control on dairy farms.

N.A. Thomson and J.F. Lagan   pp. 98-102

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Progress with the use of nematodes and bacteria for the control of grass grub

T.A. Jackson and T.E.T. Trought   pp. 103-106

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Chemical control of striped chafer and porina in improved tussock grassland

B.I.P. Barratt and K.M. Stewart   pp. 107-109

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Field evaluation of baits for porina control

Alan Carpenter   pp. 110-112

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Cricket damage on the Kaipara clay flats, Ruawai in 1982

R.H. Blank, D.S. Bell, C.R. Page and M.H. Olson   pp. 113-118

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An association of Lolium endophyte with ryegrass resistance to Argentine stem weevil

R.A. Prestidge, R.P.Pottinger and G.M. Barker   pp. 119-122

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Lucerne

Parasites and predators of lucerne aphids at Flock House, Bulls

L.H. Bates and A.J. Miln   pp. 123-126

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Fungicide seed treatments improve lucerne establishment

R.E. Falloon and R.A. Skipp   pp. 127-129

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Scrub Weeds

Gorse control with sheep and goats

J.E. Radcliffe   pp. 130-134

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Control of young gorse plants by grazing

M.H. Hartley   pp. 135-137

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Control of seedlings by low rates of herbicides

M.J. Hartley and A.I. Popay   pp. 138-140

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Response of mature gorse to different esters of 2,4,5-T and fenoprop and picloram

John M. Balneaves   pp. 141-144

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2,4,5-T uptake by gorse - dependence on foliar development and herbicide formulation

J.A. Zabkiewicz and R.E. Gaskin   pp. 145-148

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Gorse control by stump treatment

M.J. Hartley and A.I. Popay   pp. 149-151

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Seasonal germination and establishment of gorse

G.W. Ivens   pp. 152-156

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A multiple spray regime for broom control in forestry operations

John M. Balneaves   pp. 157-161

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Movement of hexazinone spots applied to hill slopes

K.C. Harrington, M.P. Rolston and G.W. Ivens   pp. 162-165

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Chemical control of blackberry in northland

P.W. Shannon and J.M. Leslie   pp. 166-168

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3, 6-DCPA and 3, 6-DCPA mistures for selective brushwood control in radiata pine

G.R. Rutherford   pp. 169-172

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Stripe Rust

Stripe rust of wheat: symptoms, epidemiology and host range in New Zealand

I.C. Harvey and R.M. Beresford   pp. 173-176

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Breeding and selection of stripe rust resistant cultivars

G.M. Wright and F.R. Sanderson   pp. 177-180

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Control of wheat diseases in Canterbury

B.L. McCloy   pp. 181-185

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Fungicide treatment for stripe rust control in Canterbury

P. McCullough   pp. 186-190

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Seed treatment and foliar-applied fungicides for control of stripe rust in Southland

W.H. Risk and R.M. Beresford   pp. 191-195

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Propiconazole - A new systemic fungicide for disease control in cereals

T.M. Patterson   pp. 196-198

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Diclobutrazol for stripe rust control in wheat

D.J.I. Jacobson   pp. 199-203

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Fungicide treatment for stripe rust control in Southland and South Otago

P. McCullough   pp. 204-207

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Seed treatment and foliar spray control strategies for disease control in winter wheat cv. Kopara

K.C. Chan and R.E. Gaunt   pp. 208-211

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The formulation of a strategy for the control of stripe rust in wheat

J. Hedley and B.L. McCloy   pp. 212-214

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Cereals

Control of annual and perennial weeds in maize established by conventional and conservation tillage practices

M.L. Yortt   pp. 215-218

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Weed control for sorghum with minimum tillage

G.J. Piggott   pp. 219-221

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Herbicide extenders: a new concept of weed control

B. Capper   pp. 222-225

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An evaluation of diclofop-methyl plus surfactant for wild oat control in wheat

W.T. McLaughlan   pp. 226-229

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The tolerance of some bread wheats, duram wheats and triticales to herbicides used for wild oat control

W.J.P. Mitchel   pp. 230-232

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Yellow gromwell control with herbicides in wheat

G.W. Bourdot, J.H.B. Butler and G.A. Hurrell   pp. 233-236

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New seed treatments and foliar sprays for control of spot blotch of barley

J.E. Sheridan, M.V. Dawson and N. Grbavac   pp. 237-241

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Control of crown rust in oats in the manawatu

P.A. Burnett and J.W.P. Mitchel   pp. 242-244

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CDA of fungicides for control of crown rust of oats

J.E. Sheridan and H.V. Dawson   pp. 245-247

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Influence of cultivation, sowing date and the life cycle of Argentine Stem weevil relative to seedling survival in maize

G.M. Barker, R.P. Pottinger and P.J. Addison   pp. 248-251

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New Products and Techniques

The effect of droplet density and spray mix volume on control of blue-green lucerne aphid

N.R. Wrenn and R.A. Skinner   pp. 252-255

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Ragwort control using a rope wick applicator

W. Makepeace and A. Thompson   pp. 256-260

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PP100 an alternative formulation of diquat for control of submerged aquatic weeds

J.S. Clayton and C.C. Tanner   pp. 261-264

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Testing of systemic fungicides against Phytophthora cactorum

P.C. Long   pp. 265-268

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Prochloraz - a new spectrum fungicide

D.L. Ballard and W.T. McLaughlan   pp. 269-273

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Sethoxydim - a new post-emergence selective grass herbicide

R.W. Naish, I. Iwataki and M. Ishikawa   pp. 274-278

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Fluazifop-butyl for selective control of many grass weds in broadleaf crops

T.M. Stewart, D.J.I. Jacobson and K.D. Kilsby   pp. 279-283

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Statistics

The planning of experiments

J.H. Maindonald   pp. 284-288

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Some aspects of the analysis and presentation of data from comparative trials

N.R. Cox   pp. 289-293

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Ranking and selecting: what to do if your ANOVA rejects the null hypothesis

H.P. Edwards   pp. 294-297

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Field Crops

Weed control in peanuts in Northland

G.J. Piggot, E.N. Honore and H.M. Morgan   pp. 298-300

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Control of weeds in edible chicory

B. Burney, J.T.K. Poll and A. Rahman   pp. 301-303

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Early season weed control in onions

J.J.C. Scheffer and G.J. Wilson   pp. 304-307

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Rationalization of spray programme for control of insect pests in Brussels sprouts

T.A. Jackson   pp. 308-311

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Didymella stem canker of tomatoes and its control

J.J. Soteros and L.H. Cheah   pp. 312-314

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The effect of weed interference in fodder beet yields

R.J. Field and Chong Woon Sum   pp. 315-318

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Weed control in sugar beet

A. Rahman, T.K. James, D.J. Bond and M.H. Gray   pp. 319-323

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Control of beet yellows disease vector Myzus persicae and the resultant effects on yield in Canterbury beet crops

S.L. Goldson and J.F. Pearson   pp. 324-327

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The effect of herbicides used on asparagus on the growth rate of the earthworm Allolobophora caliginosa

N.A. Martin   pp. 328-331

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Biology of potato mirid and Australian crop mirid on asparagus

R.J. Townsend and R.N. Watson   pp. 332-337

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Grass weed control in asparagus - preliminary results

A. Rahman and P. Sanders   pp. 338-339

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Material from these papers was presented at the New Zealand Plant Protection Society's Annual Conference held at Waikato Motor Hotel, Hamilton on 9-12 August 1982.

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.